diff --git a/NeuralAmpModeler/NeuralAmpModeler.cpp b/NeuralAmpModeler/NeuralAmpModeler.cpp
index 4cac6063..2bc4f205 100644
--- a/NeuralAmpModeler/NeuralAmpModeler.cpp
+++ b/NeuralAmpModeler/NeuralAmpModeler.cpp
@@ -1,3 +1,4 @@
+#include <algorithm>  // std::clamp
 #include <filesystem>
 #include <iostream>
 #include <utility>
@@ -67,7 +68,14 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
   mStagedDSP(nullptr),
   mToneBass(),
   mToneMid(),
-  mToneTreble()
+  mToneTreble(),
+  mIR(),
+  mIRFileName(),
+  mIRPath(),
+  mFlagRemoveDSP(false),
+  mFlagRemoveIR(false),
+  mDefaultModelString("Select model..."),
+  mDefaultIRString("Select IR...")
 {
   GetParam(kInputLevel)->InitGain("Input", 0.0, -20.0, 20.0, 0.1);
   GetParam(kToneBass)->InitDouble("Bass", 5.0, 0.0, 10.0, 0.1);
@@ -93,12 +101,14 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
     pGraphics->EnableMouseOver(true);
     auto helpSVG = pGraphics->LoadSVG(HELP_FN);
     auto folderSVG = pGraphics->LoadSVG(FOLDER_FN);
+    auto closeButtonSVG = pGraphics->LoadSVG(CLOSE_BUTTON_FN);
     pGraphics->LoadFont("Roboto-Regular", ROBOTO_FN);
     const IRECT b = pGraphics->GetBounds();
     const IRECT mainArea = b.GetPadded(-20);
     const auto content = mainArea.GetPadded(-10);
     const auto titleLabel = content.GetFromTop(50);
     
+    // Areas for knobs
     const float knobHalfPad = 10.0f;
     const float knobPad = 2.0f * knobHalfPad;
     const float knobHalfHeight = 70.0f;
@@ -109,7 +119,14 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
     IRECT trebleKnobArea = knobs.GetGridCell(0, kToneTreble, 1, kNumParams).GetPadded(-10);
     IRECT outputKnobArea =knobs.GetGridCell(0, kOutputLevel, 1, kNumParams).GetPadded(-10);
     
-    const auto modelArea = content.GetFromBottom(30).GetMidHPadded(150);
+    // Areas for model and IR
+    const float fileWidth = 250.0f;
+    const float fileHeight = 30.0f;
+    const float fileSpace = 10.0f;
+    const auto modelArea = content.GetFromBottom(2.0f * fileHeight + fileSpace).GetFromTop(fileHeight).GetMidHPadded(fileWidth);
+    const auto irArea = content.GetFromBottom(fileHeight).GetMidHPadded(fileWidth);
+    
+    // Areas for meters
     const float meterHalfHeight = 0.5f * 250.0f;
     const auto inputMeterArea = inputKnobArea.GetFromLeft(knobHalfPad).GetMidHPadded(knobHalfPad).GetMidVPadded(meterHalfHeight).GetTranslated(-knobPad, 0.0f);
     const auto outputMeterArea = outputKnobArea.GetFromRight(knobHalfPad).GetMidHPadded(knobHalfPad).GetMidVPadded(meterHalfHeight).GetTranslated(knobPad, 0.0f);
@@ -153,6 +170,7 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
 
     // Model loader button
     auto loadModel = [&, pGraphics](IControl* pCaller) {
+      // TODO start from last directory on second load if possible.
       WDL_String dir;
       pGraphics->PromptForDirectory(dir, [&](const WDL_String& fileName, const WDL_String& path){
         if (path.GetLength())
@@ -160,10 +178,36 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
       });
     };
     
-    // Tells us what model is loaded
-    pGraphics->AttachControl(new IVPanelControl(modelArea, "", style.WithColor(kFG, PluginColors::NAM_1)));  // .WithContrast(-0.75)
-    pGraphics->AttachControl(new IRolloverSVGButtonControl(modelArea.GetFromLeft(30).GetPadded(-2.f), loadModel, folderSVG));
-    pGraphics->AttachControl(new IVUpdateableLabelControl(modelArea.GetReducedFromLeft(30), "Select model...", style.WithDrawFrame(false).WithValueText(style.valueText.WithVAlign(EVAlign::Middle))), kCtrlTagModelName);
+    auto getIRPath = [&, pGraphics](IControl* pCaller) {
+      WDL_String fileName;
+      WDL_String path(this->mIRPath.Get());
+      pGraphics->PromptForFile(fileName, path);
+      if (fileName.GetLength()) {
+        this->mIRPath = path;
+        this->_GetIR(fileName);
+      }
+    };
+    
+    // Model-clearing function
+    auto ClearModel = [&, pGraphics](IControl* pCaller) {
+      this->mFlagRemoveDSP = true;
+    };
+    // IR-clearing function
+    auto ClearIR = [&, pGraphics](IControl* pCaller) {
+      this->mFlagRemoveIR = true;
+    };
+    
+    // Graphics objects for what model is loaded
+    const float iconWidth = fileHeight;  // Square icon
+    pGraphics->AttachControl(new IVPanelControl(modelArea, "", style.WithColor(kFG, PluginColors::NAM_1)));
+    pGraphics->AttachControl(new IRolloverSVGButtonControl(modelArea.GetFromLeft(iconWidth).GetPadded(-2.f), loadModel, folderSVG));
+    pGraphics->AttachControl(new IRolloverSVGButtonControl(modelArea.GetFromRight(iconWidth).GetPadded(-2.f), ClearModel, closeButtonSVG));
+    pGraphics->AttachControl(new IVUpdateableLabelControl(modelArea.GetReducedFromLeft(iconWidth).GetReducedFromRight(iconWidth), this->mDefaultModelString.Get(), style.WithDrawFrame(false).WithValueText(style.valueText.WithVAlign(EVAlign::Middle))), kCtrlTagModelName);
+    // IR
+    pGraphics->AttachControl(new IVPanelControl(irArea, "", style.WithColor(kFG, PluginColors::NAM_1)));
+    pGraphics->AttachControl(new IRolloverSVGButtonControl(irArea.GetFromLeft(iconWidth).GetPadded(-2.f), getIRPath, folderSVG));
+    pGraphics->AttachControl(new IRolloverSVGButtonControl(irArea.GetFromRight(iconWidth).GetPadded(-2.f), ClearIR, closeButtonSVG));
+    pGraphics->AttachControl(new IVUpdateableLabelControl(irArea.GetReducedFromLeft(iconWidth).GetReducedFromRight(iconWidth), this->mDefaultIRString.Get(), style.WithDrawFrame(false).WithValueText(style.valueText.WithVAlign(EVAlign::Middle))), kCtrlTagIRName);
     
     // The knobs
     pGraphics->AttachControl(new IVKnobControl(inputKnobArea, kInputLevel, "", style));
@@ -174,7 +218,7 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
 
     // The meters
     const float meterMin = -60.0f;
-    const float meterMax = 12.0f;
+    const float meterMax = -0.01f;
     pGraphics->AttachControl(new IVPeakAvgMeterControl(inputMeterArea, "", style.WithWidgetFrac(0.5)
                                                        .WithShowValue(false)
                                                        .WithColor(kFG, PluginColors::NAM_2), EDirection::Vertical, {}, 0, meterMin, meterMax, {}), kCtrlTagInputMeter)
@@ -231,17 +275,11 @@ void NeuralAmpModeler::ProcessBlock(iplug::sample** inputs, iplug::sample** outp
   const int nChans = this->NOutChansConnected();
   this->_PrepareBuffers(nFrames);
   this->_ProcessInput(inputs, nFrames);
-  if (mStagedDSP != nullptr)
-  {
-    // Move from staged to active DSP
-    mDSP = std::move(mStagedDSP);
-    mStagedDSP = nullptr;
-  }
+  this->_ApplyDSPStaging();
 
   if (mDSP != nullptr)
   {
     // TODO remove input / output gains from here.
-    const int nChans = this->NOutChansConnected();
     const double inputGain = 1.0;
     const double outputGain = 1.0;
     mDSP->process(this->mInputPointers, this->mOutputPointers, nChans, nFrames, inputGain, outputGain, mDSPParams);
@@ -269,16 +307,26 @@ void NeuralAmpModeler::ProcessBlock(iplug::sample** inputs, iplug::sample** outp
   
   
   // Define filter parameters
-  recursive_linear_filter::LowShelfParams bassParams(sampleRate, bassFrequency, bassQuality, bassGainDB);
-  recursive_linear_filter::PeakingParams midParams(sampleRate, midFrequency, midQuality, midGainDB);
-  recursive_linear_filter::HighShelfParams trebleParams(sampleRate, trebleFrequency, trebleQuality, trebleGainDB);
+  recursive_linear_filter::BiquadParams bassParams(sampleRate, bassFrequency, bassQuality, bassGainDB);
+  recursive_linear_filter::BiquadParams midParams(sampleRate, midFrequency, midQuality, midGainDB);
+  recursive_linear_filter::BiquadParams trebleParams(sampleRate, trebleFrequency, trebleQuality, trebleGainDB);
   // Apply tone stack
-  sample** bassPointers = this->mToneBass.Process(this->mOutputPointers, nChans, nFrames, &bassParams);
-  sample** midPointers = this->mToneMid.Process(bassPointers, nChans, nFrames, &midParams);
-  sample** treblePointers = this->mToneTreble.Process(midPointers, nChans, nFrames, &trebleParams);
+  // Set parameters
+  this->mToneBass.SetParams(bassParams);
+  this->mToneMid.SetParams(midParams);
+  this->mToneTreble.SetParams(trebleParams);
+  const size_t numChannels = (size_t) nChans;
+  const size_t numFrames = (size_t) nFrames;
+  sample** bassPointers = this->mToneBass.Process(this->mOutputPointers, numChannels, numFrames);
+  sample** midPointers = this->mToneMid.Process(bassPointers, numChannels, numFrames);
+  sample** treblePointers = this->mToneTreble.Process(midPointers, numChannels, numFrames);
+  
+  sample** irPointers = treblePointers;
+  if (this->mIR != nullptr)
+    irPointers = this->mIR->Process(treblePointers, numChannels, numFrames);
   
   // Let's get outta here
-  this->_ProcessOutput(treblePointers, outputs, nFrames);
+  this->_ProcessOutput(irPointers, outputs, nFrames);
   // * Output of input leveling (inputs -> mInputPointers),
   // * Output of output leveling (mOutputPointers -> outputs)
   this->_UpdateMeters(this->mInputPointers, outputs, nFrames);
@@ -288,6 +336,7 @@ bool NeuralAmpModeler::SerializeState(IByteChunk& chunk) const
 {
   // Model directory (don't serialize the model itself; we'll just load it again when we unserialize)
   chunk.PutStr(mModelPath.Get());
+  chunk.PutStr(this->mIRFileName.Get());
   return SerializeParams(chunk);
 }
 
@@ -295,10 +344,14 @@ int NeuralAmpModeler::UnserializeState(const IByteChunk& chunk, int startPos)
 {
   WDL_String dir;
   startPos = chunk.GetStr(mModelPath, startPos);
-  mDSP = nullptr;
+  startPos = chunk.GetStr(this->mIRFileName, startPos);
+  this->mDSP = nullptr;
+  this->mIR = nullptr;
   int retcode = UnserializeParams(chunk, startPos);
   if (this->mModelPath.GetLength())
     this->_GetDSP(this->mModelPath);
+  if (this->mIRFileName.GetLength())
+    this->_GetIR(this->mIRFileName);
   return retcode;
 }
 
@@ -307,10 +360,38 @@ void NeuralAmpModeler::OnUIOpen()
   Plugin::OnUIOpen();
   if (this->mModelPath.GetLength())
     this->_SetModelMsg(this->mModelPath);
+  if (this->mIRFileName.GetLength())
+    this->_SetIRMsg(this->mIRFileName);
 }
 
 // Private methods ============================================================
 
+void NeuralAmpModeler::_ApplyDSPStaging()
+{
+  // Move things from staged to live
+  if (this->mStagedDSP != nullptr)
+  {
+    // Move from staged to active DSP
+    this->mDSP = std::move(this->mStagedDSP);
+    this->mStagedDSP = nullptr;
+  }
+  if (this->mStagedIR != nullptr) {
+    this->mIR = std::move(this->mStagedIR);
+    this->mStagedIR = nullptr;
+  }
+  // Remove marked modules
+  if (this->mFlagRemoveDSP) {
+    this->mDSP = nullptr;
+    this->_UnsetModelMsg();
+    this->mFlagRemoveDSP = false;
+  }
+  if (this->mFlagRemoveIR) {
+    this->mIR = nullptr;
+    this->_UnsetIRMsg();
+    this->mFlagRemoveIR = false;
+  }
+}
+
 void NeuralAmpModeler::_FallbackDSP(const int nFrames)
 {
   const int nChans = this->NOutChansConnected();
@@ -341,6 +422,28 @@ void NeuralAmpModeler::_GetDSP(const WDL_String& modelPath)
   }
 }
 
+void NeuralAmpModeler::_GetIR(const WDL_String& irFileName)
+{
+  WDL_String previousIRFileName;
+  try {
+    previousIRFileName = this->mIRFileName;
+    const double sampleRate = this->GetSampleRate();
+    this->mStagedIR = std::make_unique<dsp::ImpulseResponse>(irFileName, sampleRate);
+    this->_SetIRMsg(irFileName);
+  }
+  catch (std::exception& e) {
+    std::stringstream ss;
+    ss << "FAILED to load IR";
+    SendControlMsgFromDelegate(kCtrlTagIRName, 0, int(strlen(ss.str().c_str())), ss.str().c_str());
+    if (this->mStagedIR != nullptr) {
+      this->mStagedIR = nullptr;
+    }
+    this->mIRFileName = previousIRFileName;
+    std::cerr << "Failed to read IR" << std::endl;
+    std::cerr << e.what() << std::endl;
+  }
+}
+
 size_t NeuralAmpModeler::_GetBufferNumChannels() const
 {
   return this->mInputArray.size();
@@ -410,16 +513,40 @@ void NeuralAmpModeler::_ProcessOutput(iplug::sample** inputs, iplug::sample **ou
   // Assume _PrepareBuffers() was already called
   for (int c=0; c<nChans; c++)
     for (int s=0; s<nFrames; s++)
-      outputs[c][s] = gain * inputs[c][s];
+      outputs[c][s] = std::clamp(gain * inputs[c][s], -1.0, 1.0);
 }
 
 void NeuralAmpModeler::_SetModelMsg(const WDL_String& modelPath)
 {
-    auto dspPath = std::filesystem::path(modelPath.Get());
-    mModelPath = modelPath;
-    std::stringstream ss;
-    ss << "Loaded " << dspPath.parent_path().filename();
-    SendControlMsgFromDelegate(kCtrlTagModelName, 0, int(strlen(ss.str().c_str())), ss.str().c_str());
+  auto dspPath = std::filesystem::path(modelPath.Get());
+  mModelPath = modelPath;
+  std::stringstream ss;
+  ss << "Loaded " << dspPath.parent_path().filename();
+  SendControlMsgFromDelegate(kCtrlTagModelName, 0, int(strlen(ss.str().c_str())), ss.str().c_str());
+}
+
+void NeuralAmpModeler::_SetIRMsg(const WDL_String& irFileName)
+{
+  this->mIRFileName = irFileName;
+  auto dspPath = std::filesystem::path(irFileName.Get());
+  std::stringstream ss;
+  ss << "Loaded " << dspPath.filename();
+  SendControlMsgFromDelegate(kCtrlTagIRName, 0, int(strlen(ss.str().c_str())), ss.str().c_str());
+}
+
+void NeuralAmpModeler::_UnsetModelMsg()
+{
+  this->_UnsetMsg(kCtrlTagModelName, this->mDefaultModelString);
+}
+
+void NeuralAmpModeler::_UnsetIRMsg()
+{
+  this->_UnsetMsg(kCtrlTagIRName, this->mDefaultIRString);
+}
+
+void NeuralAmpModeler::_UnsetMsg(const int tag, const WDL_String &msg)
+{
+  SendControlMsgFromDelegate(tag, 0, int(strlen(msg.Get())), msg.Get());
 }
 
 void NeuralAmpModeler::_UpdateMeters(sample** inputPointer, sample** outputPointer, const int nFrames)
diff --git a/NeuralAmpModeler/NeuralAmpModeler.h b/NeuralAmpModeler/NeuralAmpModeler.h
index 0bd7fcf5..27eb2f83 100644
--- a/NeuralAmpModeler/NeuralAmpModeler.h
+++ b/NeuralAmpModeler/NeuralAmpModeler.h
@@ -4,6 +4,7 @@
 #include "dsp.h"
 #include "choc_ReenableAllWarnings.h"
 #include "dsp/RecursiveLinearFilter.h"
+#include "dsp/ImpulseResponse.h"
 
 #include "IPlug_include_in_plug_hdr.h"
 
@@ -24,6 +25,7 @@ enum EParams
 enum ECtrlTags
 {
   kCtrlTagModelName = 0,
+  kCtrlTagIRName,
   kCtrlTagInputMeter,
   kCtrlTagOutputMeter,
   kNumCtrlTags
@@ -45,18 +47,25 @@ class NeuralAmpModeler final : public iplug::Plugin
     this->mOutputSender.TransmitData(*this);
   }
   
-  bool SerializeState(IByteChunk& chunk) const override;
-  int UnserializeState(const IByteChunk& chunk, int startPos) override;
+  bool SerializeState(iplug::IByteChunk& chunk) const override;
+  int UnserializeState(const iplug::IByteChunk& chunk, int startPos) override;
   void OnUIOpen() override;
   
 private:
+  // Moves DSP modules from staging area to the main area.
+  // Also deletes DSP modules that are flagged for removal.
+  // Exists so that we don't try to use a DSP module that's only
+  // partially-instantiated.
+  void _ApplyDSPStaging();
   // Fallback that just copies inputs to outputs if mDSP doesn't hold a model.
   void _FallbackDSP(const int nFrames);
-  // Gets a new DSP object and stores it to mStagedDSP
-  void _GetDSP(const WDL_String& dspPath);
   // Sizes based on mInputArray
   size_t _GetBufferNumChannels() const;
   size_t _GetBufferNumFrames() const;
+  // Gets a new DSP object and stores it to mStagedDSP
+  void _GetDSP(const WDL_String& dspPath);
+  // Gets the IR and stores to mStagedIR
+  void _GetIR(const WDL_String& irFileName);
   // Update the message about which model is loaded.
   void _SetModelMsg(const WDL_String& dspPath);
   bool _HaveModel() const {
@@ -70,31 +79,46 @@ class NeuralAmpModeler final : public iplug::Plugin
   void _ProcessInput(iplug::sample** inputs, const int nFrames);
   // Copy the output to the output buffer, applying output level.
   void _ProcessOutput(iplug::sample** inputs, iplug::sample** outputs, const int nFrames);
+  // Update the text in the IR area to say what's loaded.
+  void _SetIRMsg(const WDL_String& modelPath);
+  void _UnsetModelMsg();
+  void _UnsetIRMsg();
+  void _UnsetMsg(const int tag, const WDL_String& msg);
   // Update level meters
   // Called within ProcessBlock().
   // Assume _ProcessInput() and _ProcessOutput() were run immediately before.
-  void _UpdateMeters(sample** inputPointer, sample** outputPointer, const int nFrames);
+  void _UpdateMeters(iplug::sample** inputPointer, iplug::sample** outputPointer, const int nFrames);
     
   // Input arrays
-  std::vector<std::vector<sample>> mInputArray;
+  std::vector<std::vector<iplug::sample>> mInputArray;
   // Output arrays
-  std::vector<std::vector<sample>> mOutputArray;
+  std::vector<std::vector<iplug::sample>> mOutputArray;
   // Pointer versions
-  sample** mInputPointers;
-  sample** mOutputPointers;
+  iplug::sample** mInputPointers;
+  iplug::sample** mOutputPointers;
   
-  // The DSP actually being used:
+  // The DSPs actually being used:
   std::unique_ptr<DSP> mDSP;
+  std::unique_ptr<dsp::ImpulseResponse> mIR;
   // Manages switching what DSP is being used.
   std::unique_ptr<DSP> mStagedDSP;
+  std::unique_ptr<dsp::ImpulseResponse> mStagedIR;
+  // Flags to take away the modules at a safe time.
+  bool mFlagRemoveDSP;
+  bool mFlagRemoveIR;
+  const WDL_String mDefaultModelString;
+  const WDL_String mDefaultIRString;
   
   // Tone stack modules
-  // TODO low shelf, peaking, high shelf
   recursive_linear_filter::LowShelf mToneBass;
   recursive_linear_filter::Peaking mToneMid;
   recursive_linear_filter::HighShelf mToneTreble;
   
+  // Paths to model and IR
   WDL_String mModelPath;
+  WDL_String mIRFileName;
+  // Directory containing the file (for better file browsing on second load-in)
+  WDL_String mIRPath;  // Do we need this, or can we manipualte mITFileName (".dirname")
   
   std::unordered_map<std::string, double> mDSPParams = {
     { "Input", 0.0 },
diff --git a/NeuralAmpModeler/config.h b/NeuralAmpModeler/config.h
index 73a56878..4e5f3bab 100644
--- a/NeuralAmpModeler/config.h
+++ b/NeuralAmpModeler/config.h
@@ -24,7 +24,7 @@
 #define PLUG_DOES_STATE_CHUNKS 0
 #define PLUG_HAS_UI 1
 #define PLUG_WIDTH 600
-#define PLUG_HEIGHT 300
+#define PLUG_HEIGHT 400
 #define PLUG_FPS 60
 #define PLUG_SHARED_RESOURCES 0
 #define PLUG_HOST_RESIZE 0
@@ -57,5 +57,6 @@
 #define ROBOTO_FN "Roboto-Regular.ttf"
 #define HELP_FN "help.svg"
 #define FOLDER_FN "folder.svg"
+#define CLOSE_BUTTON_FN "close-button.svg"
 #define TOLEX_FN "tolex.jpeg"
 #define TOLEX2X_FN "tolex@2x.jpeg"
diff --git a/NeuralAmpModeler/dsp/ImpulseResponse.cpp b/NeuralAmpModeler/dsp/ImpulseResponse.cpp
new file mode 100644
index 00000000..d91ec7df
--- /dev/null
+++ b/NeuralAmpModeler/dsp/ImpulseResponse.cpp
@@ -0,0 +1,67 @@
+//
+//  ImpulseResponse.cpp
+//  NeuralAmpModeler-macOS
+//
+//  Created by Steven Atkinson on 12/30/22.
+//
+
+#include "Resample.h"
+#include "wav.h"
+
+#include "ImpulseResponse.h"
+
+dsp::ImpulseResponse::ImpulseResponse(const WDL_String& fileName,
+                                      const double sampleRate)
+{
+  // Try to load the WAV
+    if (dsp::wav::Load(fileName, this->mRawAudio, this->mRawAudioSampleRate) != dsp::wav::RET_SUCCESS) {
+        std::stringstream ss;
+        ss << "Failed to load IR at " << fileName.Get() << std::endl;
+        throw std::runtime_error(ss.str());
+    }
+  // Set the weights based on the raw audio.
+  this->_SetWeights(sampleRate);
+}
+
+iplug::sample** dsp::ImpulseResponse::Process(iplug::sample** inputs,
+                                              const size_t numChannels,
+                                              const size_t numFrames)
+{
+  this->_PrepareBuffers(numChannels, numFrames);
+  this->_UpdateHistory(inputs, numChannels, numFrames);
+  
+  for (size_t i=0, j=this->mHistoryIndex - this->mHistoryRequired; i<numFrames; i++, j++) {
+    auto input = Eigen::Map<const Eigen::VectorXf>(&this->mHistory[j], this->mHistoryRequired+1);
+    this->mOutputs[0][i] = (double) this->mWeight.dot(input);
+  }
+  // Copy out for more-than-mono.
+  for (size_t c=1; c<numChannels; c++)
+    for (size_t i=0; i<numFrames; i++)
+      this->mOutputs[c][i] = this->mOutputs[0][i];
+  
+  this->_AdvanceHistoryIndex(numFrames);
+  return this->_GetPointers();
+}
+
+void dsp::ImpulseResponse::_SetWeights(const double sampleRate)
+{
+  if (this->mRawAudioSampleRate == sampleRate) {
+    this->mResampled.resize(this->mRawAudio.size());
+    memcpy(this->mResampled.data(), this->mRawAudio.data(), this->mResampled.size());
+  }
+  else {
+    // Cubic resampling
+    std::vector<float> padded;
+    padded.resize(this->mRawAudio.size() + 2);
+    padded[0] = 0.0f;
+    padded[padded.size()-1] = 0.0f;
+    memcpy(padded.data() + 1, this->mRawAudio.data(), this->mRawAudio.size());
+    dsp::ResampleCubic<float>(padded, this->mRawAudioSampleRate, sampleRate, 0.0, this->mResampled);
+  }
+  // Simple implementation w/ no resample...
+  const size_t irLength = std::min(this->mResampled.size(), this->mMaxLength);
+  this->mWeight.resize(irLength);
+  for (size_t i=0, j=irLength-1; i<irLength; i++,j--)
+    this->mWeight[j] = this->mResampled[i];
+  this->mHistoryRequired = irLength - 1;
+}
diff --git a/NeuralAmpModeler/dsp/ImpulseResponse.h b/NeuralAmpModeler/dsp/ImpulseResponse.h
new file mode 100644
index 00000000..c3aa861a
--- /dev/null
+++ b/NeuralAmpModeler/dsp/ImpulseResponse.h
@@ -0,0 +1,43 @@
+//
+//  ImpulseResponse.h
+//  NeuralAmpModeler-macOS
+//
+//  Created by Steven Atkinson on 12/30/22.
+//
+// Impulse response processing
+
+#ifndef ImpulseResponse_h
+#define ImpulseResponse_h
+
+#include <filesystem>
+
+#include <Eigen/Dense>
+
+#include "wdlstring.h"  // WDL_String
+#include "IPlugConstants.h"  // sample
+#include "dsp.h"
+
+namespace dsp {
+  class ImpulseResponse : public History {
+  public:
+    ImpulseResponse(const WDL_String& fileName, const double sampleRate);
+    iplug::sample** Process(iplug::sample** inputs,
+                            const size_t numChannels,
+                            const size_t numFrames) override;
+  private:
+    // Set the weights, given that the plugin is running at the provided sample rate.
+    void _SetWeights(const double sampleRate);
+    
+    // Keep a copy of the raw audio that was loaded so that it can be resampled
+    std::vector<float> mRawAudio;
+    double mRawAudioSampleRate;
+    // Resampled to the required sample rate.
+    std::vector<float> mResampled;
+    
+    const size_t mMaxLength = 8192;
+    // The weights
+    Eigen::VectorXf mWeight;
+  };
+};
+
+#endif /* ImpulseResponse_h */
diff --git a/NeuralAmpModeler/dsp/RecursiveLinearFilter.cpp b/NeuralAmpModeler/dsp/RecursiveLinearFilter.cpp
index 5afdf12e..fc477704 100644
--- a/NeuralAmpModeler/dsp/RecursiveLinearFilter.cpp
+++ b/NeuralAmpModeler/dsp/RecursiveLinearFilter.cpp
@@ -7,15 +7,13 @@
 // See: https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html
 
 #include <algorithm>  // std::fill
-#include <cmath>  // pow, sin
 #include <stdexcept>
 
 #include "RecursiveLinearFilter.h"
 
 recursive_linear_filter::Base::Base(const size_t inputDegree,
                                     const size_t outputDegree) :
-mOutputPointers(nullptr),
-mOutputPointersSize(0),
+dsp::DSP(),
 mInputStart(inputDegree),  // 1 is subtracted before first use
 mOutputStart(outputDegree)
 {
@@ -24,12 +22,10 @@ mOutputStart(outputDegree)
 }
 
 iplug::sample** recursive_linear_filter::Base::Process(iplug::sample** inputs,
-                                                       const int numChannels,
-                                                       const int numFrames,
-                                                       const Params *params)
+                                                       const size_t numChannels,
+                                                       const size_t numFrames)
 {
   this->_PrepareBuffers(numChannels, numFrames);
-  params->SetCoefficients(this->mInputCoefficients, this->mOutputCoefficients);
   long inputStart=0;
   long outputStart=0;
   // Degree = longest history
@@ -65,55 +61,51 @@ iplug::sample** recursive_linear_filter::Base::Process(iplug::sample** inputs,
   }
   this->mInputStart = inputStart;
   this->mOutputStart = outputStart;
-  return this->GetPointers();
+  return this->_GetPointers();
 }
 
-iplug::sample** recursive_linear_filter::Base::GetPointers()
+void recursive_linear_filter::Base::_PrepareBuffers(const size_t numChannels, const size_t numFrames)
 {
-  for (auto c=0; c<this->_GetNumChannels(); c++)
-    this->mOutputPointers[c] = this->mOutputs[c].data();
-  return this->mOutputPointers;
-}
-
-
-void recursive_linear_filter::Base::_PrepareBuffers(const int numChannels, const int numFrames)
-{
-  if (this->_GetNumChannels() != numChannels) {
+  // Check for new channel count *before* parent class ensures they match!
+  const bool newChannels = this->_GetNumChannels() != numChannels;
+  // Parent implementation takes care of mOutputs and mOutputPointers
+  this->dsp::DSP::_PrepareBuffers(numChannels, numFrames);
+  if (newChannels) {
     this->mInputHistory.resize(numChannels);
     this->mOutputHistory.resize(numChannels);
-    this->mOutputs.resize(numChannels);
     const size_t inputDegree = this->_GetInputDegree();
     const size_t outputDegree = this->_GetOutputDegree();
     for (auto c=0; c<numChannels; c++) {
       this->mInputHistory[c].resize(inputDegree);
       this->mOutputHistory[c].resize(outputDegree);
-      this->mOutputs[c].resize(numFrames);
       std::fill(this->mInputHistory[c].begin(), this->mInputHistory[c].end(), 0.0);
       std::fill(this->mOutputHistory[c].begin(), this->mOutputHistory[c].end(), 0.0);
     }
-    this->_ResizePointers((size_t) numChannels);
   }
 }
 
-void recursive_linear_filter::Base::_ResizePointers(const size_t numChannels)
+void recursive_linear_filter::Biquad::_AssignCoefficients(const double a0,
+                                                          const double a1,
+                                                          const double a2,
+                                                          const double b0,
+                                                          const double b1,
+                                                          const double b2)
 {
-  if (this->mOutputPointersSize == numChannels)
-    return;
-  if (this->mOutputPointers != nullptr)
-    delete[] this->mOutputPointers;
-  this->mOutputPointers = new iplug::sample*[numChannels];
-  if (this->mOutputPointers == nullptr)
-    throw std::runtime_error("Failed to allocate pointer to output buffer!\n");
-  this->mOutputPointersSize = numChannels;
+  this->mInputCoefficients[0] = b0 / a0;
+  this->mInputCoefficients[1] = b1 / a0;
+  this->mInputCoefficients[2] = b2 / a0;
+  // this->mOutputCoefficients[0] = 0.0;  // Always
+  // Sign flip due so we add during main loop (cf Eq. (4))
+  this->mOutputCoefficients[1] = -a1 / a0;
+  this->mOutputCoefficients[2] = -a2 / a0;
 }
 
-void recursive_linear_filter::LowShelfParams::SetCoefficients(std::vector<double> &inputCoefficients,
-                                                              std::vector<double> &outputCoefficients) const
+void recursive_linear_filter::LowShelf::SetParams(const recursive_linear_filter::BiquadParams &params)
 {
-  const double a = pow(10.0, this->mGainDB / 40.0);
-  const double omega_0 = 2.0 * MATH_PI * this->mFrequency / this->mSampleRate;
-  const double alpha = sin(omega_0) / (2.0 * this->mQuality);
-  const double cosw = cos(omega_0);
+  const double a = params.GetA();
+  const double omega_0 = params.GetOmega0();
+  const double alpha = params.GetAlpha(omega_0);
+  const double cosw = params.GetCosW(omega_0);
   
   const double ap = a + 1.0;
   const double am = a - 1.0;
@@ -126,22 +118,15 @@ void recursive_linear_filter::LowShelfParams::SetCoefficients(std::vector<double
   const double a1 = -2.0 * (am + ap * cosw);
   const double a2 = ap + am * cosw - roota2alpha;
   
-  inputCoefficients[0] = b0 / a0;
-  inputCoefficients[1] = b1 / a0;
-  inputCoefficients[2] = b2 / a0;
-  // outputCoefficients[0] = 0.0;  // Always
-  // Sign flip due so we add during main loop (cf Eq. (4))
-  outputCoefficients[1] = -a1 / a0;
-  outputCoefficients[2] = -a2 / a0;
+  this->_AssignCoefficients(a0, a1, a2, b0, b1, b2);
 }
 
-void recursive_linear_filter::PeakingParams::SetCoefficients(std::vector<double> &inputCoefficients,
-                                                             std::vector<double> &outputCoefficients) const
+void recursive_linear_filter::Peaking::SetParams(const recursive_linear_filter::BiquadParams &params)
 {
-  const double a = pow(10.0, this->mGainDB / 40.0);
-  const double omega_0 = 2.0 * MATH_PI * this->mFrequency / this->mSampleRate;
-  const double alpha = sin(omega_0) / (2.0 * this->mQuality);
-  const double cosw = cos(omega_0);
+  const double a = params.GetA();
+  const double omega_0 = params.GetOmega0();
+  const double alpha = params.GetAlpha(omega_0);
+  const double cosw = params.GetCosW(omega_0);
   
   const double b0 = 1.0 + alpha * a;
   const double b1 = -2.0 * cosw;
@@ -150,24 +135,17 @@ void recursive_linear_filter::PeakingParams::SetCoefficients(std::vector<double>
   const double a1 = -2.0 * cosw;
   const double a2 = 1.0 - alpha / a;
   
-  inputCoefficients[0] = b0 / a0;
-  inputCoefficients[1] = b1 / a0;
-  inputCoefficients[2] = b2 / a0;
-  // outputCoefficients[0] = 0.0;  // Always
-  // Sign flip due so we add during main loop (cf Eq. (4))
-  outputCoefficients[1] = -a1 / a0;
-  outputCoefficients[2] = -a2 / a0;
+  this->_AssignCoefficients(a0, a1, a2, b0, b1, b2);
 }
 
-void recursive_linear_filter::HighShelfParams::SetCoefficients(std::vector<double> &inputCoefficients,
-                                                               std::vector<double> &outputCoefficients) const
+void recursive_linear_filter::HighShelf::SetParams(const recursive_linear_filter::BiquadParams &params)
 {
-  const double a = pow(10.0, this->mGainDB / 40.0);
-  const double omega_0 = 2.0 * MATH_PI * this->mFrequency / this->mSampleRate;
-  const double alpha = sin(omega_0) / (2.0 * this->mQuality);
-  const double cosw = cos(omega_0);
-  const double roota2alpha = 2.0 * sqrt(a) * alpha;
+  const double a = params.GetA();
+  const double omega_0 = params.GetOmega0();
+  const double alpha = params.GetAlpha(omega_0);
+  const double cosw = params.GetCosW(omega_0);
   
+  const double roota2alpha = 2.0 * sqrt(a) * alpha;
   const double ap = a + 1.0;
   const double am = a - 1.0;
   
@@ -178,12 +156,5 @@ void recursive_linear_filter::HighShelfParams::SetCoefficients(std::vector<doubl
   const double a1 = 2.0 * (am - ap * cosw);
   const double a2 = ap - am * cosw - roota2alpha;
   
-  
-  inputCoefficients[0] = b0 / a0;
-  inputCoefficients[1] = b1 / a0;
-  inputCoefficients[2] = b2 / a0;
-  // outputCoefficients[0] = 0.0;  // Always
-  // Sign flip due so we add during main loop (cf Eq. (4))
-  outputCoefficients[1] = -a1 / a0;
-  outputCoefficients[2] = -a2 / a0;
+  this->_AssignCoefficients(a0, a1, a2, b0, b1, b2);
 }
diff --git a/NeuralAmpModeler/dsp/RecursiveLinearFilter.h b/NeuralAmpModeler/dsp/RecursiveLinearFilter.h
index 324a1313..cf6469eb 100644
--- a/NeuralAmpModeler/dsp/RecursiveLinearFilter.h
+++ b/NeuralAmpModeler/dsp/RecursiveLinearFilter.h
@@ -9,53 +9,28 @@
 #ifndef RecursiveLinearFilter_h
 #define RecursiveLinearFilter_h
 
+#include <cmath>  // pow, sin
 #include <vector>
 #include "IPlugConstants.h"  // sample
+#include "dsp.h"
 
 #define MATH_PI 3.14159265358979323846
 
 // TODO refactor base DSP into a common abstraction.
 
 namespace recursive_linear_filter {
-  class Params{
-  public:
-    // Based on the parameters in this object, set the coefficients in the
-    // provided arrays for the filter.
-    virtual void SetCoefficients(std::vector<double>& inputCoefficients,
-                                 std::vector<double>& outputCoefficients) const=0;
-  };
-  
-  class Base {  // TODO: inherit from DSP
+  class Base : public dsp::DSP {
   public:
     Base(const size_t inputDegree, const size_t outputDegree);
-    
-    // Compute the DSP, saving to mOutputs, owned by this instance.
-    // Return a pointer-to-pointers of the output array
-    // TODO return const
     iplug::sample** Process(iplug::sample** inputs,
-                            const int numChannels,
-                            const int numFrames,
-                            const Params *params);
-    
-    // Return a pointer-to-pointers for the DSP's output buffers (all channels)
-    // Assumes that ._PrepareBuffers()  was called recently enough.
-    iplug::sample** GetPointers();
+                            const size_t numChannels,
+                            const size_t numFrames) override;
   protected:
-    size_t _GetNumChannels() const {return this->mInputHistory.size();};
+    // Methods
     size_t _GetInputDegree() const {return this->mInputCoefficients.size();};
     size_t _GetOutputDegree() const {return this->mOutputCoefficients.size();};
-    void _PrepareBuffers(const int numChannels, const int numFrames);
-    // Resizes the pointer-to-pointers for the vector-of-vectors.
-    void _ResizePointers(const size_t numChannels);
-    
-    // Where the output will get written...
-    // Indexing is [channel][sample]
-    std::vector<std::vector<iplug::sample>> mOutputs;
-    // ...And a pointer to it.
-    // Only the first level is allocated; the second level are duplicate
-    // pointers to the data that are primarily owned by the vectors.
-    iplug::sample** mOutputPointers;
-    size_t mOutputPointersSize;  // Keep track of its size.
+    // Additionally prepares mInputHistory and mOutputHistory.
+    void _PrepareBuffers(const size_t numChannels, const size_t numFrames) override;
 
     // Coefficients for the DSP filter
     std::vector<double> mInputCoefficients;
@@ -72,13 +47,10 @@ namespace recursive_linear_filter {
     long mOutputStart;
   };
   
-  class LevelParams : public Params {
+  class LevelParams : public dsp::Params {
   public:
     LevelParams(const double gain) : Params(), mGain(gain) {};
-    void SetCoefficients(std::vector<double>& inputCoefficients,
-                         std::vector<double>& outputCoefficients) const {
-      inputCoefficients[0] = this->mGain;
-    };
+    double GetGain() const {return this->mGain;};
   private:
     // The gain (multiplicative, i.e. not dB)
     double mGain;
@@ -87,75 +59,66 @@ namespace recursive_linear_filter {
   class Level : public Base {
   public:
     Level() : Base(1, 0) {};
+    // Invalid usage: require a pointer to recursive_linear_filter::Params so
+    // that SetCoefficients() is defined.
+    void SetParams(const LevelParams &params) {
+      this->mInputCoefficients[0] = params.GetGain();
+    };;
   };
   
-  class LowShelfParams : public Params {
+  // The same 3 params (frequency, quality, gain) describe a bunch of filters.
+  // (Low shelf, high shelf, peaking)
+  class BiquadParams : public dsp::Params {
   public:
-    LowShelfParams(const double sampleRate, const double frequency, const double quality, const double gainDB) :
-    Params(),
-    mSampleRate(sampleRate),
+    BiquadParams(const double sampleRate,
+                 const double frequency,
+                 const double quality,
+                 const double gainDB) :
+    dsp::Params(),
     mFrequency(frequency),
+    mGainDB(gainDB),
     mQuality(quality),
-    mGainDB(gainDB) {};
+    mSampleRate(sampleRate) {};
     
-    void SetCoefficients(std::vector<double>& inputCoefficients,
-                         std::vector<double>& outputCoefficients) const;
+    // Parameters defined in
+    // https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html
+    double GetA() const {return pow(10.0, this->mGainDB / 40.0);};
+    double GetOmega0() const {return 2.0 * MATH_PI * this->mFrequency / this->mSampleRate;};
+    double GetAlpha(const double omega_0) const {return sin(omega_0) / (2.0 * this->mQuality);};
+    double GetCosW(const double omega_0) const {return cos(omega_0);};
   private:
-    double mSampleRate;
     double mFrequency;
-    double mQuality;
     double mGainDB;
+    double mQuality;
+    double mSampleRate;
   };
   
-  class LowShelf : public Base {
-  public:
-    LowShelf() : Base(3,3) {};
-  };
-  
-  class PeakingParams : public Params {
+  class Biquad : public Base {
   public:
-    PeakingParams(const double sampleRate, const double frequency, const double quality, const double gainDB) :
-    Params(),
-    mSampleRate(sampleRate),
-    mFrequency(frequency),
-    mQuality(quality),
-    mGainDB(gainDB) {};
-    
-    void SetCoefficients(std::vector<double>& inputCoefficients,
-                         std::vector<double>& outputCoefficients) const;
-  private:
-    double mSampleRate;
-    double mFrequency;
-    double mQuality;
-    double mGainDB;
+    Biquad() : Base(3, 3) {};
+    virtual void SetParams(const BiquadParams &params) = 0;
+  protected:
+    void _AssignCoefficients(const double a0,
+                             const double a1,
+                             const double a2,
+                             const double b0,
+                             const double b1,
+                             const double b2);
   };
   
-  class Peaking : public Base {
+  class LowShelf : public Biquad {
   public:
-    Peaking() : Base(3,3) {};
+    void SetParams(const BiquadParams &params) override;
   };
   
-  class HighShelfParams : public Params {
+  class Peaking : public Biquad {
   public:
-    HighShelfParams(const double sampleRate, const double frequency, const double quality, const double gainDB) :
-    Params(),
-    mSampleRate(sampleRate),
-    mFrequency(frequency),
-    mQuality(quality),
-    mGainDB(gainDB) {};
-    
-    void SetCoefficients(std::vector<double>& inputCoefficients,
-                         std::vector<double>& outputCoefficients) const;
-  private:
-    double mSampleRate;
-    double mFrequency;
-    double mQuality;
-    double mGainDB;
+    void SetParams(const BiquadParams &params) override;
   };
   
-  class HighShelf : public Base {
+  class HighShelf : public Biquad {
   public:
-    HighShelf() : Base(3,3) {};
+    void SetParams(const BiquadParams &params) override;
   };
 };
 
diff --git a/NeuralAmpModeler/dsp/Resample.h b/NeuralAmpModeler/dsp/Resample.h
new file mode 100644
index 00000000..c696214d
--- /dev/null
+++ b/NeuralAmpModeler/dsp/Resample.h
@@ -0,0 +1,81 @@
+//
+//  Resample.h
+//  NeuralAmpModeler-macOS
+//
+//  Created by Steven Atkinson on 1/2/23.
+//
+
+#ifndef Resample_h
+#define Resample_h
+
+#include <cmath>
+#include <vector>
+#include <stdexcept>
+
+namespace dsp {
+  // Resample a provided vector in inputs to outputs.
+  // Creates an array of the required length to fill all points from the SECOND
+  // input to the SECOND-TO-LAST input point, exclusive.
+  // (Seconds bc cubic. and ew want to only interpoalte between points 2 and
+  // 3.)
+  // tOutputStart: location of first output point relative to the second input
+  // point (should be >=0.0)
+  template<typename T>
+  void ResampleCubic(const std::vector<T>& inputs,
+                     const double originalSampleRate,
+                     const double desiredSampleRate,
+                     const double tOutputStart,
+                     std::vector<T>& outputs);
+  // Interpolate the 4 provided equispaced points to x in [-1,2]
+  template<typename T>
+  T _CubicInterpolation(T p[4], T x) {
+      return p[1] + 0.5 * x * (p[2] - p[0] + x * (2.0 * p[0] - 5.0 * p[1] + 4.0 * p[2] - p[3] + x * (3.0 * (p[1] - p[2]) + p[3] - p[0])));
+  };
+};
+
+template <typename T>
+void dsp::ResampleCubic(const std::vector<T>& inputs,
+                        const double originalSampleRate,
+                        const double desiredSampleRate,
+                        const double tOutputStart,
+                        std::vector<T>& outputs)
+{
+    if (tOutputStart < 0.0)
+        throw std::runtime_error("Starting time must be non-negative");
+
+    // Time increment for each sample in the original audio file
+    const double timeIncrement = 1.0 / originalSampleRate;
+
+    // Time increment for each sample in the resampled audio file
+    const double resampledTimeIncrement = 1.0 / desiredSampleRate;
+  
+    // Current time
+    double time = timeIncrement + tOutputStart;
+
+    const double endTimeOriginal = (inputs.size() - 1) * timeIncrement;
+    while (time < endTimeOriginal) {
+        // Find the index of the sample in the original audio file that is just before the current time in the resampled audio file
+        int index = (long) std::floor(time / timeIncrement);
+
+        // Calculate the time difference between the current time in the resampled audio file and the sample in the original audio file
+        double timeDifference = time - index * timeIncrement;
+
+        // Get the four surrounding samples in the original audio file for cubic interpolation
+        double p[4];
+        p[0] = (index == 0) ? inputs[0] : inputs[index - 1];
+        p[1] = inputs[index];
+        p[2] = (index == inputs.size() - 1) ? inputs[inputs.size() - 1] : inputs[index + 1];
+        p[3] = (index == inputs.size() - 2) ? inputs[inputs.size() - 1] : inputs[index + 2];
+
+        // Use cubic interpolation to estimate the value of the audio signal at the current time in the resampled audio file
+        T resampledValue = dsp::_CubicInterpolation(p, timeDifference / timeIncrement);
+
+        // Add the estimated value to the resampled audio file
+        outputs.push_back(resampledValue);
+
+        // Update the current time in the resampled audio file
+        time += resampledTimeIncrement;
+    }
+}
+
+#endif /* Resample_h */
diff --git a/NeuralAmpModeler/dsp/dsp.cpp b/NeuralAmpModeler/dsp/dsp.cpp
index e8e5d0b5..fe461bfe 100644
--- a/NeuralAmpModeler/dsp/dsp.cpp
+++ b/NeuralAmpModeler/dsp/dsp.cpp
@@ -18,8 +18,8 @@ DSP::DSP()
 { this->_stale_params = true; }
 
 void DSP::process(
-  sample** inputs,
-  sample** outputs,
+  iplug::sample** inputs,
+  iplug::sample** outputs,
   const int num_channels,
   const int num_frames,
   const double input_gain,
@@ -52,7 +52,7 @@ void DSP::_get_params_(const std::unordered_map<std::string, double>& input_para
   }
 }
 
-void DSP::_apply_input_level_(sample** inputs, const int num_channels, const int num_frames, const double gain)
+void DSP::_apply_input_level_(iplug::sample** inputs, const int num_channels, const int num_frames, const double gain)
 {
   // Must match exactly; we're going to use the size of _input_post_gain later for num_frames.
   if (this->_input_post_gain.size() != num_frames)
@@ -76,7 +76,7 @@ void DSP::_process_core_()
     this->_core_dsp_output[i] = this->_input_post_gain[i];
 }
 
-void DSP::_apply_output_level_(sample** outputs, const int num_channels, const int num_frames, const double gain)
+void DSP::_apply_output_level_(iplug::sample** outputs, const int num_channels, const int num_frames, const double gain)
 {
   for (int c = 0; c < num_channels; c++)
     for (int s = 0; s < num_frames; s++)
@@ -567,3 +567,94 @@ void convnet::ConvNet::_reset_anti_pop_()
     receptive_field += this->_blocks[i].conv.get_dilation();
   this->_anti_pop_countdown = -receptive_field;
 }
+
+// ============================================================================
+// Implementation of Version 2 interface
+
+dsp::DSP::DSP() :
+mOutputPointers(nullptr),
+mOutputPointersSize(0)
+{}
+
+dsp::DSP::~DSP()
+{
+  if (this->mOutputPointers != nullptr)
+    delete[] this->mOutputPointers;
+};
+
+iplug::sample** dsp::DSP::_GetPointers()
+{
+  for (auto c=0; c<this->_GetNumChannels(); c++)
+    this->mOutputPointers[c] = this->mOutputs[c].data();
+  return this->mOutputPointers;
+}
+
+
+void dsp::DSP::_PrepareBuffers(const size_t numChannels, const size_t numFrames)
+{
+  if (this->_GetNumChannels() != numChannels) {
+    this->mOutputs.resize(numChannels);
+    for (auto c=0; c<numChannels; c++) {
+      this->mOutputs[c].resize(numFrames);
+    }
+    this->_ResizePointers(numChannels);
+  }
+}
+
+void dsp::DSP::_ResizePointers(const size_t numChannels)
+{
+  if (this->mOutputPointersSize == numChannels)
+    return;
+  if (this->mOutputPointers != nullptr)
+    delete[] this->mOutputPointers;
+  this->mOutputPointers = new iplug::sample*[numChannels];
+  if (this->mOutputPointers == nullptr)
+    throw std::runtime_error("Failed to allocate pointer to output buffer!\n");
+  this->mOutputPointersSize = numChannels;
+}
+
+dsp::History::History() :
+DSP(),
+mHistoryRequired(0),
+mHistoryIndex(0)
+{
+}
+
+void dsp::History::_AdvanceHistoryIndex(const size_t bufferSize)
+{
+  this->mHistoryIndex += bufferSize;
+}
+
+void dsp::History::_EnsureHistorySize(const size_t bufferSize)
+{
+  const size_t repeatSize = std::max(bufferSize, this->mHistoryRequired);
+  const size_t requiredHistoryArraySize = 10 * repeatSize;  // Just so we don't spend too much time copying back.
+  if (this->mHistory.size() < requiredHistoryArraySize) {
+    this->mHistory.resize(requiredHistoryArraySize);
+    std::fill(this->mHistory.begin(), this->mHistory.end(), 0.0f);
+    this->mHistoryIndex = this->mHistoryRequired;  // Guaranteed to be less than requiredHistoryArraySize
+  }
+}
+
+void dsp::History::_RewindHistory()
+{
+  // TODO memcpy?  Should be fine w/ history array being >2x the history length.
+  for (size_t i=0, j=this->mHistoryIndex - this->mHistoryRequired; i<this->mHistoryRequired; i++, j++)
+    this->mHistory[i] = this->mHistory[j];
+  this->mHistoryIndex = this->mHistoryRequired;
+}
+
+void dsp::History::_UpdateHistory(iplug::sample **inputs,
+                                  const size_t numChannels,
+                                  const size_t numFrames)
+{
+  this->_EnsureHistorySize(numFrames);
+  if (numChannels < 1)
+    throw std::runtime_error("Zero channels?");
+  if (this->mHistoryIndex + numFrames >= this->mHistory.size())
+    this->_RewindHistory();
+  // Grabs channel 1, drops hannel 2.
+  for (size_t i=0, j=this->mHistoryIndex; i<numFrames; i++, j++)
+    // Convert down to float here.
+    this->mHistory[j] = (float) inputs[0][i];
+}
diff --git a/NeuralAmpModeler/dsp/dsp.h b/NeuralAmpModeler/dsp/dsp.h
index fa2553f2..43c8ecec 100644
--- a/NeuralAmpModeler/dsp/dsp.h
+++ b/NeuralAmpModeler/dsp/dsp.h
@@ -23,9 +23,6 @@ enum EArchitectures
   kNumModels
 };
 
-// HACK
-using namespace iplug;
-
 // Class for providing params from the plugin to the DSP module
 // For now, we'll work with doubles. Later, we'll add other types.
 class DSPParam
@@ -50,8 +47,8 @@ class DSP
   //    overridden in subclasses).
   // 4. The output level is applied and the result stored to `output`.
   virtual void process(
-    sample** inputs,
-    sample** outputs,
+    iplug::sample** inputs,
+    iplug::sample** outputs,
     const int num_channels,
     const int num_frames,
     const double input_gain,
@@ -85,7 +82,10 @@ class DSP
 
   // Apply the input gain
   // Result populates this->_input_post_gain
-  void _apply_input_level_(sample** inputs, const int num_channels, const int num_frames, const double gain);
+  void _apply_input_level_(iplug::sample** inputs,
+                           const int num_channels,
+                           const int num_frames,
+                           const double gain);
 
   // i.e. ensure the size is correct.
   void _ensure_core_dsp_output_ready_();
@@ -96,7 +96,10 @@ class DSP
   virtual void _process_core_();
 
   // Copy this->_core_dsp_output to output and apply the output volume
-  void _apply_output_level_(sample** outputs, const int num_channels, const int num_frames, const double gain);
+  void _apply_output_level_(iplug::sample** outputs,
+                            const int num_channels,
+                            const int num_frames,
+                            const double gain);
 };
 
 // Class where an input buffer is kept so that long-time effects can be captured.
@@ -369,4 +372,89 @@ std::unique_ptr<DSP> get_dsp(const std::filesystem::path dirname);
 // Hard-coded model:
 std::unique_ptr<DSP> get_hard_dsp();
 
+// Version 2 DSP abstraction ==================================================
+
+namespace dsp {
+  class Params {};
+  
+  class DSP {
+  public:
+    DSP();
+    ~DSP();
+    // The main interface for processing audio.
+    // The incoming audio is given as a raw pointer-to-pointers.
+    // The indexing is [channel][frame].
+    // The output shall be a pointer-to-pointers of matching size.
+    // This object instance will own the data referenced by the pointers and be
+    // responsible for its allocation and deallocation.
+    virtual iplug::sample** Process(iplug::sample** inputs, const size_t numChannels, const size_t numFrames) = 0;
+    // Update the parameters of the DSP object according to the provided params.
+    // Not declaring a pure virtual bc there's no concrete definition that can
+    // use Params.
+    // But, use this name :)
+    // virtual void SetParams(Params* params) = 0;
+    
+  protected:
+    // Methods
+    
+    size_t _GetNumChannels() const {return this->mOutputs.size();};
+    // Return a pointer-to-pointers for the DSP's output buffers (all channels)
+    // Assumes that ._PrepareBuffers()  was called recently enough.
+    iplug::sample** _GetPointers();
+    // Resize mOutputs to (numChannels, numFrames) and ensure that the raw
+    // pointers are also keeping up.
+    virtual void _PrepareBuffers(const size_t numChannels, const size_t numFrames);
+    // Resize the pointer-to-pointers for the vector-of-vectors.
+    void _ResizePointers(const size_t numChannels);
+    
+    
+    // Attributes
+    
+    // The output array into which the DSP module's calculations will be written.
+    // Pointers to this member's data will be returned by .Process(), and std
+    // Will ensure proper allocation.
+    std::vector<std::vector<iplug::sample>> mOutputs;
+    // A pointer to pointers of which copies will be given out as the output of .Process().
+    // This object will ensure proper allocation and deallocation of the first level;
+    // The second level points to .data() from mOutputs.
+    iplug::sample** mOutputPointers;
+    size_t mOutputPointersSize;
+  };
+  
+  // A class where a longer buffer of history is needed to correctly calculate
+  // the DSP algorithm (e.g. algorithms involving convolution).
+  //
+  // Hacky stuff:
+  // * Mono
+  // * Single-precision floats.
+  class History : public DSP {
+  public:
+    History();
+  protected:
+    // Called at the end of the DSP, advance the hsitory index to the next open
+    // spot.  Does not ensure that it's at a valid address.
+    void _AdvanceHistoryIndex(const size_t bufferSize);
+    // Drop the new samples into the history array.
+    // Manages history array size
+    void _UpdateHistory(iplug::sample** inputs,
+                        const size_t numChannels,
+                        const size_t numFrames);
+    
+    // The history array that's used for DSP calculations.
+    std::vector<float> mHistory;
+    // How many samples previous are required.
+    // Zero means that no history is required--only the current sample.
+    size_t mHistoryRequired;
+    // Location of the first sample in the current buffer.
+    // Shall always be in the range [mHistoryRequired, mHistory.size()).
+    size_t mHistoryIndex;
+    
+  private:
+    // Make sure that the history array is long enough.
+    void _EnsureHistorySize(const size_t bufferSize);
+    // Copy the end of the history back to the fron and reset mHistoryIndex
+    void _RewindHistory();
+  };
+};
+
 #endif  // IPLUG_DSP
diff --git a/NeuralAmpModeler/dsp/wav.cpp b/NeuralAmpModeler/dsp/wav.cpp
new file mode 100644
index 00000000..8985d26b
--- /dev/null
+++ b/NeuralAmpModeler/dsp/wav.cpp
@@ -0,0 +1,204 @@
+//
+//  wav.cpp
+//  NeuralAmpModeler-macOS
+//
+//  Created by Steven Atkinson on 12/31/22.
+//
+
+#include <cmath>  // pow
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+#include "wav.h"
+
+bool idIsJunk(char* id)
+{
+  return (strncmp(id, "junk", 4) == 0) || (strncmp(id, "JUNK", 4) == 0);
+}
+
+void ReadChunkAndSkipJunk(std::ifstream& file, char* chunkID)
+{
+  file.read(chunkID, 4);
+  if (idIsJunk(chunkID)) {
+    int junkSize;
+    file.read(reinterpret_cast<char*>(&junkSize), 4);
+    file.ignore(junkSize);
+    // Unused byte if junkSize is odd
+    if ((junkSize % 2) == 1)
+      file.ignore(1);
+    // And now we should be ready for data...
+    file.read(chunkID, 4);
+  }
+  if (idIsJunk(chunkID))
+    throw std::runtime_error("Found more than 1 junk chunk");
+}
+
+int dsp::wav::Load(const WDL_String &fileName, std::vector<float> &audio, double &sampleRate)
+{
+  // FYI: https://www.mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
+  // Open the WAV file for reading
+  std::ifstream wavFile(fileName.Get(), std::ios::binary);
+  
+  // Check if the file was opened successfully
+  if (!wavFile.is_open()) {
+    std::cerr << "Error opening WAV file" << std::endl;
+    return dsp::wav::RET_ERROR_OPENING;
+  }
+  
+  // WAV file has 3 "chunks": RIFF ("RIFF"), format ("fmt ") and data ("data").
+  // Read the WAV file header
+  char chunkId[4];
+  ReadChunkAndSkipJunk(wavFile, chunkId);
+  if (strncmp(chunkId, "RIFF", 4) != 0) {
+    std::cerr << "Error: Not a WAV file" << std::endl;
+    return dsp::wav::RET_ERROR_NOT_WAV;
+  }
+  
+  int chunkSize;
+  wavFile.read(reinterpret_cast<char*>(&chunkSize), 4);
+  
+  char format[4];
+  wavFile.read(format, 4);
+  if (strncmp(format, "WAVE", 4) != 0) {
+    std::cerr << "Error: Not a WAV file" << std::endl;
+    return dsp::wav::RET_ERROR_NOT_WAV;
+  }
+  
+  // Read the format chunk
+  char subchunk1Id[4];
+  ReadChunkAndSkipJunk(wavFile, subchunk1Id);
+  if (strncmp(subchunk1Id, "fmt ", 4) != 0) {
+    std::cerr << "Error: Invalid WAV file" << std::endl;
+    return dsp::wav::RET_ERROR_INVALID_WAV;
+  }
+  
+  int subchunk1Size;
+  wavFile.read(reinterpret_cast<char*>(&subchunk1Size), 4);
+  
+  unsigned short audioFormat;
+  wavFile.read(reinterpret_cast<char*>(&audioFormat), 2);
+  if (audioFormat != 1) {
+    std::cerr << "Error: Only PCM format is supported" << std::endl;
+    return dsp::wav::RET_ERROR_NOT_PCM;
+  }
+  
+  short numChannels;
+  wavFile.read(reinterpret_cast<char*>(&numChannels), 2);
+  // HACK
+  if (numChannels != 1) {
+    std::cerr << "Require mono (using for IR loading)" << std::endl;
+    return dsp::wav::RET_ERROR_INVALID_WAV;
+  }
+  
+  int iSampleRate;
+  wavFile.read(reinterpret_cast<char*>(&iSampleRate), 4);
+  // Store in format we assume (SR is double)
+  sampleRate = (double) iSampleRate;
+  
+  int byteRate;
+  wavFile.read(reinterpret_cast<char*>(&byteRate), 4);
+  
+  short blockAlign;
+  wavFile.read(reinterpret_cast<char*>(&blockAlign), 2);
+  
+  short bitsPerSample;
+  wavFile.read(reinterpret_cast<char*>(&bitsPerSample), 2);
+  
+  // Read the data chunk
+  char subchunk2Id[4];
+  ReadChunkAndSkipJunk(wavFile, subchunk2Id);
+  if (strncmp(subchunk2Id, "data", 4) != 0) {
+    std::cerr << "Error: Invalid WAV file" << std::endl;
+    return dsp::wav::RET_ERROR_INVALID_WAV;
+  }
+  
+  // Size of the data chunk, in bits.
+  int subchunk2Size;
+  wavFile.read(reinterpret_cast<char*>(&subchunk2Size), 4);
+  
+  if (bitsPerSample == 16)
+    dsp::wav::_LoadSamples16(wavFile, subchunk2Size, audio);
+  else if (bitsPerSample == 24)
+    dsp::wav::_LoadSamples24(wavFile, subchunk2Size, audio);
+  else if (bitsPerSample == 32)
+    dsp::wav::_LoadSamples32(wavFile, subchunk2Size, audio);
+  else {
+    std::cerr << "Error: Unsupported bits per sample: " << bitsPerSample << std::endl;
+    return 1;
+  }
+  
+  // Close the WAV file
+  wavFile.close();
+  
+  // Print the number of samples
+  // std::cout << "Number of samples: " << samples.size() << std::endl;
+  
+  return dsp::wav::RET_SUCCESS;
+}
+
+void dsp::wav::_LoadSamples16(std::ifstream &wavFile,
+                              const int chunkSize,
+                              std::vector<float>& samples)
+{
+  // Allocate an array to hold the samples
+  std::vector<short> tmp(chunkSize / 2);  // 16 bits (2 bytes) per sample
+  
+  // Read the samples from the file into the array
+  wavFile.read(reinterpret_cast<char*>(tmp.data()), chunkSize);
+  
+  // Copy into the return array
+  const float scale = 1.0 / ((double) (1 << 15));
+  samples.resize(tmp.size());
+  for (auto i=0; i<samples.size(); i++)
+    samples[i] = scale * ((float) tmp[i]);  // 2^16
+}
+
+void dsp::wav::_LoadSamples24(std::ifstream &wavFile,
+                               const int chunkSize,
+                               std::vector<float>& samples)
+{
+  // Allocate an array to hold the samples
+  std::vector<int> tmp(chunkSize / 3);  // 24 bits (3 bytes) per sample
+  // Read in and convert the samples
+  for (int& x : tmp) {
+    x = dsp::wav::_ReadSigned24BitInt(wavFile);
+  }
+  
+  // Copy into the return array
+  const float scale = 1.0 / ((double) (1 << 23));
+  samples.resize(tmp.size());
+  for (auto i=0; i<samples.size(); i++)
+    samples[i] = scale * ((float) tmp[i]);
+}
+
+int dsp::wav::_ReadSigned24BitInt(std::ifstream& stream) {
+  // Read the three bytes of the 24-bit integer.
+  std::uint8_t bytes[3];
+  stream.read(reinterpret_cast<char*>(bytes), 3);
+  
+  // Combine the three bytes into a single integer using bit shifting and masking.
+  // This works by isolating each byte using a bit mask (0xff) and then shifting
+  // the byte to the correct position in the final integer.
+  int value = bytes[0] | (bytes[1] << 8) | (bytes[2]<<16);
+  
+  // The value is stored in two's complement format, so if the most significant
+  // bit (the 24th bit) is set, then the value is negative. In this case, we
+  // need to extend the sign bit to get the correct negative value.
+  if (value & (1 << 23)) {
+    value |= ~((1 << 24) - 1);
+  }
+  
+  return value;
+}
+
+
+void dsp::wav::_LoadSamples32(std::ifstream &wavFile,
+                              const int chunkSize,
+                              std::vector<float>& samples)
+{
+  // NOTE: 32-bit is float.
+  samples.resize(chunkSize / 4);  // 32 bits (4 bytes) per sample
+  // Read the samples from the file into the array
+  wavFile.read(reinterpret_cast<char*>(samples.data()), chunkSize);
+}
diff --git a/NeuralAmpModeler/dsp/wav.h b/NeuralAmpModeler/dsp/wav.h
new file mode 100644
index 00000000..c3265820
--- /dev/null
+++ b/NeuralAmpModeler/dsp/wav.h
@@ -0,0 +1,39 @@
+//
+//  wav.h
+//  NeuralAmpModeler-macOS
+//
+//  Created by Steven Atkinson on 12/31/22.
+//
+
+#ifndef wav_h
+#define wav_h
+
+#include "wdlstring.h"  // WDL_String
+
+namespace dsp {
+  namespace wav {
+    // Return cases
+    const int RET_SUCCESS = 0;
+    const int RET_ERROR_OPENING = 1;
+    const int RET_ERROR_NOT_WAV = 2;
+    const int RET_ERROR_INVALID_WAV = 3;
+    const int RET_ERROR_NOT_PCM = 4;
+    // Load a WAV file into a provided array of doubles,
+    // And note the sample rate.
+    //
+    // Returns: as per return cases above
+    int Load(const WDL_String& fileName, std::vector<float> &audio, double& sampleRate);
+    
+    // Load samples, 16-bit
+    void _LoadSamples16(std::ifstream &wavFile, const int chunkSize, std::vector<float>& samples);
+    // Load samples, 24-bit
+    void _LoadSamples24(std::ifstream &wavFile, const int chunkSize, std::vector<float>& samples);
+    // Load samples, 32-bit
+    void _LoadSamples32(std::ifstream &wavFile, const int chunkSize, std::vector<float>& samples);
+    
+    // Read in a 24-bit sample and convert it to an int
+    int _ReadSigned24BitInt(std::ifstream& stream);
+  };
+};
+
+#endif /* wav_h */
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj b/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj
index 045f0cef..b826f3cb 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj
@@ -412,10 +412,12 @@
     <ClCompile Include="..\dsp\cnpy.cpp" />
     <ClCompile Include="..\dsp\dsp.cpp" />
     <ClCompile Include="..\dsp\get_dsp.cpp" />
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp" />
     <ClCompile Include="..\dsp\lstm.cpp" />
     <ClCompile Include="..\dsp\numpy_util.cpp" />
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp" />
     <ClCompile Include="..\dsp\util.cpp" />
+    <ClCompile Include="..\dsp\wav.cpp" />
     <ClCompile Include="..\dsp\wavenet.cpp" />
     <ClCompile Include="..\NeuralAmpModeler.cpp" />
   </ItemGroup>
@@ -503,10 +505,13 @@
     <ClInclude Include="..\dsp\cnpy.h" />
     <ClInclude Include="..\dsp\dsp.h" />
     <ClInclude Include="..\dsp\HardCodedModel.h" />
+    <ClInclude Include="..\dsp\ImpulseResponse.h" />
     <ClInclude Include="..\dsp\lstm.h" />
     <ClInclude Include="..\dsp\numpy_util.h" />
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h" />
+    <ClInclude Include="..\dsp\Resample.h" />
     <ClInclude Include="..\dsp\util.h" />
+    <ClInclude Include="..\dsp\wav.h" />
     <ClInclude Include="..\dsp\wavenet.h" />
     <ClInclude Include="..\NeuralAmpModeler.h" />
     <ClInclude Include="..\resources\resource.h" />
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj.filters b/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj.filters
index 49d4b893..a70bec1a 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj.filters
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-aax.vcxproj.filters
@@ -83,6 +83,12 @@
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp">
       <Filter>dsp</Filter>
     </ClCompile>
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\dsp\wav.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\NeuralAmpModeler.h" />
@@ -262,6 +268,15 @@
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h">
       <Filter>dsp</Filter>
     </ClInclude>
+    <ClInclude Include="..\dsp\ImpulseResponse.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\wav.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\Resample.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="resources">
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj b/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj
index 615c0abc..304f879e 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj
@@ -322,10 +322,13 @@
     <ClInclude Include="..\dsp\cnpy.h" />
     <ClInclude Include="..\dsp\dsp.h" />
     <ClInclude Include="..\dsp\HardCodedModel.h" />
+    <ClInclude Include="..\dsp\ImpulseResponse.h" />
     <ClInclude Include="..\dsp\lstm.h" />
     <ClInclude Include="..\dsp\numpy_util.h" />
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h" />
+    <ClInclude Include="..\dsp\Resample.h" />
     <ClInclude Include="..\dsp\util.h" />
+    <ClInclude Include="..\dsp\wav.h" />
     <ClInclude Include="..\dsp\wavenet.h" />
     <ClInclude Include="..\NeuralAmpModeler.h" />
     <ClInclude Include="..\resources\resource.h" />
@@ -373,10 +376,12 @@
     <ClCompile Include="..\dsp\cnpy.cpp" />
     <ClCompile Include="..\dsp\dsp.cpp" />
     <ClCompile Include="..\dsp\get_dsp.cpp" />
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp" />
     <ClCompile Include="..\dsp\lstm.cpp" />
     <ClCompile Include="..\dsp\numpy_util.cpp" />
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp" />
     <ClCompile Include="..\dsp\util.cpp" />
+    <ClCompile Include="..\dsp\wav.cpp" />
     <ClCompile Include="..\dsp\wavenet.cpp" />
     <ClCompile Include="..\NeuralAmpModeler.cpp" />
   </ItemGroup>
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj.filters b/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj.filters
index 0cda6585..1cb5d81b 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj.filters
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-app.vcxproj.filters
@@ -101,6 +101,12 @@
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp">
       <Filter>dsp</Filter>
     </ClCompile>
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\dsp\wav.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\NeuralAmpModeler.h" />
@@ -310,6 +316,15 @@
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h">
       <Filter>dsp</Filter>
     </ClInclude>
+    <ClInclude Include="..\dsp\ImpulseResponse.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\wav.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\Resample.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="resources">
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-iOS.xcodeproj/project.pbxproj b/NeuralAmpModeler/projects/NeuralAmpModeler-iOS.xcodeproj/project.pbxproj
index 9db95ff8..94de075a 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-iOS.xcodeproj/project.pbxproj
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-iOS.xcodeproj/project.pbxproj
@@ -73,6 +73,9 @@
 		4FDF6D7F2267CEBA0007B686 /* IPlugAUPlayer.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4FDF6D7D2267CEBA0007B686 /* IPlugAUPlayer.mm */; };
 		91236D811B08F59300734C5E /* NeuralAmpModelerAppExtension.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 91236D771B08F59300734C5E /* NeuralAmpModelerAppExtension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		AAD9F849295EC49D009DBBA2 /* RecursiveLinearFilter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = AAD9F848295EC49D009DBBA2 /* RecursiveLinearFilter.cpp */; };
+		AAD9F85D295F762B009DBBA2 /* ImpulseResponse.cpp in Sources */ = {isa = PBXBuildFile; fileRef = AAD9F85C295F762B009DBBA2 /* ImpulseResponse.cpp */; };
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+		AAD9F872296377A6009DBBA2 /* Resample.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Resample.h; sourceTree = "<group>"; };
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-				4F3EF90728DE0BA7002972F2 /* util.cpp */,
+				4F3EF91028DE0BA7002972F2 /* activations.h */,
+				4F3EF91428DE0BA7002972F2 /* cnpy.h */,
+				4F3EF90A28DE0BA7002972F2 /* cnpy.cpp */,
+				4F3EF90E28DE0BA7002972F2 /* dsp.h */,
 				4F3EF90828DE0BA7002972F2 /* dsp.cpp */,
+				4F3EF91328DE0BA7002972F2 /* get_dsp.cpp */,
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+				AAD9F85C295F762B009DBBA2 /* ImpulseResponse.cpp */,
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-				4F3EF90D28DE0BA7002972F2 /* util.h */,
-				4F3EF90E28DE0BA7002972F2 /* dsp.h */,
+				4F3EF91228DE0BA7002972F2 /* numpy_util.h */,
 				4F3EF90F28DE0BA7002972F2 /* numpy_util.cpp */,
-				4F3EF91028DE0BA7002972F2 /* activations.h */,
+				AAD9F84A295EC4A0009DBBA2 /* RecursiveLinearFilter.h */,
+				AAD9F848295EC49D009DBBA2 /* RecursiveLinearFilter.cpp */,
+				AAD9F872296377A6009DBBA2 /* Resample.h */,
+				4F3EF90D28DE0BA7002972F2 /* util.h */,
+				4F3EF90728DE0BA7002972F2 /* util.cpp */,
+				4F3EF90B28DE0BA7002972F2 /* wavenet.h */,
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-				4F3EF91328DE0BA7002972F2 /* get_dsp.cpp */,
-				4F3EF91428DE0BA7002972F2 /* cnpy.h */,
+				AAD9F86D2960D4D0009DBBA2 /* wav.h */,
+				AAD9F86C2960D4D0009DBBA2 /* wav.cpp */,
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index fe63d84b..5640eaaa 100644
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+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-macOS.xcodeproj/project.pbxproj
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+				4F3EF8B828DE03ED002972F2 /* get_dsp.cpp */,
+				AAD9F84E295F75F6009DBBA2 /* ImpulseResponse.h */,
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+				AAD9F845295E6CB7009DBBA2 /* RecursiveLinearFilter.h */,
+				AAD9F83A295E6C8D009DBBA2 /* RecursiveLinearFilter.cpp */,
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 				4F78BE1222E73DD900AD537E /* NeuralAmpModelerAU.h in Headers */,
+				AAD9F8602960D0C6009DBBA2 /* wav.h in Headers */,
 				4F4856852773C3B5005BCF8E /* IPlugAUViewController.h in Headers */,
 				4F3EF8E128DE03ED002972F2 /* util.h in Headers */,
 				4F3EF8EC28DE03ED002972F2 /* activations.h in Headers */,
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 				AA355E2E295B688F0061AA3D /* Colors.h in Headers */,
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 				4F993F7423055C96000313AF /* IPlugProcessor.cpp in Sources */,
 				4F8C10E320BA2796006320CD /* IGraphicsEditorDelegate.cpp in Sources */,
+				AAD9F852295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
+				AAD9F8652960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F3EF8D128DE03ED002972F2 /* cnpy.cpp in Sources */,
 				4F3EF8F028DE03ED002972F2 /* wavenet.cpp in Sources */,
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 				4F3EF8C328DE03ED002972F2 /* util.cpp in Sources */,
 				4F3EE1D9231438D000004786 /* RtAudio.cpp in Sources */,
+				AAD9F86B2960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F3EE1DA231438D000004786 /* IGraphicsCoreText.mm in Sources */,
+				AAD9F858295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F3EE1DB231438D000004786 /* IPlugAPP_main.cpp in Sources */,
 				4F3EF8CC28DE03ED002972F2 /* dsp.cpp in Sources */,
 				4F3EE1DD231438D000004786 /* IGraphicsMac.mm in Sources */,
@@ -2611,6 +2661,7 @@
 				4F7C496A255DDFCB00DF7588 /* IControls.cpp in Sources */,
 				4F3EF8CB28DE03ED002972F2 /* dsp.cpp in Sources */,
 				4F78BE1422E7406D00AD537E /* NeuralAmpModeler.h in Sources */,
+				AAD9F86A2960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F0D965C23099F6900BFDED0 /* IPlugProcessor.cpp in Sources */,
 				4F78BE1522E7406D00AD537E /* NeuralAmpModeler.cpp in Sources */,
 				4F3EF8F428DE03ED002972F2 /* wavenet.cpp in Sources */,
@@ -2632,6 +2683,7 @@
 				4F3EF8DF28DE03ED002972F2 /* lstm.cpp in Sources */,
 				4F78BE2522E7406D00AD537E /* IPlugPluginBase.cpp in Sources */,
 				4F78BE2622E7406D00AD537E /* IPlugAPIBase.cpp in Sources */,
+				AAD9F857295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F78BE2822E7406D00AD537E /* IPlugParameter.cpp in Sources */,
 				4F78BE2922E7406D00AD537E /* IPlugTimer.cpp in Sources */,
 				4F3EF8EA28DE03ED002972F2 /* numpy_util.cpp in Sources */,
@@ -2684,12 +2736,14 @@
 				4F6369DF20A464BB0022C370 /* IGraphicsNanoVG_src.m in Sources */,
 				4F815991205D51F000393585 /* vstcomponentbase.cpp in Sources */,
 				4F03A5AE20A4621100EBDFFB /* IGraphics.cpp in Sources */,
+				AAD9F851295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F815987205D50EB00393585 /* conststringtable.cpp in Sources */,
 				4F722020225C1EB100FF0E7C /* commoniids.cpp in Sources */,
 				4FB1F59220E4B012004157C8 /* IGraphicsMac_view.mm in Sources */,
 				4F81598D205D51F000393585 /* vstaudioeffect.cpp in Sources */,
 				4F81598C205D51CF00393585 /* vstsinglecomponenteffect.cpp in Sources */,
 				4F815984205D50EB00393585 /* updatehandler.cpp in Sources */,
+				AAD9F8642960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F815990205D51F000393585 /* vstcomponent.cpp in Sources */,
 				4F815981205D50EB00393585 /* fstreamer.cpp in Sources */,
 				4F815996205D51F000393585 /* vstrepresentation.cpp in Sources */,
@@ -2711,6 +2765,7 @@
 				4F7C4961255DDFC600DF7588 /* IControls.cpp in Sources */,
 				4F3EF8C828DE03ED002972F2 /* dsp.cpp in Sources */,
 				4F993F7523055C97000313AF /* IPlugProcessor.cpp in Sources */,
+				AAD9F8662960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4FDAC0EE207D76C600299363 /* IPlugTimer.cpp in Sources */,
 				4F8C10E420BA2796006320CD /* IGraphicsEditorDelegate.cpp in Sources */,
 				4F3EF8F128DE03ED002972F2 /* wavenet.cpp in Sources */,
@@ -2732,6 +2787,7 @@
 				4F3EF8DC28DE03ED002972F2 /* lstm.cpp in Sources */,
 				4FB600231567CB0A0020189A /* IPlugParameter.cpp in Sources */,
 				4FB600261567CB0A0020189A /* AAX_Exports.cpp in Sources */,
+				AAD9F853295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F6FD2B522675B6300FC59E6 /* IGraphicsCoreText.mm in Sources */,
 				4FB600281567CB0A0020189A /* IPlugAAX_Describe.cpp in Sources */,
 				4F3EF8E728DE03ED002972F2 /* numpy_util.cpp in Sources */,
@@ -2746,6 +2802,7 @@
 			files = (
 				4F7C4964255DDFC800DF7588 /* IControls.cpp in Sources */,
 				4F03A5B220A4621100EBDFFB /* IGraphics.cpp in Sources */,
+				AAD9F856295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F7C4966255DDFC800DF7588 /* ITextEntryControl.cpp in Sources */,
 				AAD9F842295E6C8D009DBBA2 /* RecursiveLinearFilter.cpp in Sources */,
 				4FB1F58F20E4B009004157C8 /* IGraphicsMac.mm in Sources */,
@@ -2755,6 +2812,7 @@
 				4FC3EFF92086CE5700BD11FA /* parameterchanges.cpp in Sources */,
 				4FC3EFCE2086C35D00BD11FA /* IPlugPluginBase.cpp in Sources */,
 				4F7C4965255DDFC800DF7588 /* IPopupMenuControl.cpp in Sources */,
+				AAD9F8692960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F722021225C1EB100FF0E7C /* commoniids.cpp in Sources */,
 				4FB1F59620E4B017004157C8 /* IGraphicsMac_view.mm in Sources */,
 				4F472103209B294400A0A0A8 /* IPlugVST3_Controller.cpp in Sources */,
@@ -2797,7 +2855,9 @@
 				AAD9F83B295E6C8D009DBBA2 /* RecursiveLinearFilter.cpp in Sources */,
 				4F3EF8BB28DE03ED002972F2 /* util.cpp in Sources */,
 				4FAFFE5821495A4800A6E72D /* RtAudio.cpp in Sources */,
+				AAD9F8622960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4F6FD2B122675B6300FC59E6 /* IGraphicsCoreText.mm in Sources */,
+				AAD9F84F295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4F690C9B203A345100A4A13E /* IPlugAPP_main.cpp in Sources */,
 				4F3EF8C428DE03ED002972F2 /* dsp.cpp in Sources */,
 				4FB1F58920E4B004004157C8 /* IGraphicsMac.mm in Sources */,
@@ -2822,12 +2882,14 @@
 				4FFBB90820863B0E00DDD0E7 /* pluginfactory.cpp in Sources */,
 				4FFBB90920863B0E00DDD0E7 /* vstinitiids.cpp in Sources */,
 				4FFBB90A20863B0E00DDD0E7 /* fdebug.cpp in Sources */,
+				AAD9F8672960D4BA009DBBA2 /* wav.cpp in Sources */,
 				4FFBB90C20863B0E00DDD0E7 /* IPlugAPIBase.cpp in Sources */,
 				B8E22A0D220268C4007CBF4C /* IPlugVST3_ProcessorBase.cpp in Sources */,
 				4FFBB90D20863B0E00DDD0E7 /* fdynlib.cpp in Sources */,
 				4FFBB90E20863B0E00DDD0E7 /* memorystream.cpp in Sources */,
 				4F3EF8F228DE03ED002972F2 /* wavenet.cpp in Sources */,
 				4FFBB90F20863B0E00DDD0E7 /* IPlugParameter.cpp in Sources */,
+				AAD9F854295F75F6009DBBA2 /* ImpulseResponse.cpp in Sources */,
 				4FFBB91020863B0E00DDD0E7 /* pluginview.cpp in Sources */,
 				4FFBB91120863B0E00DDD0E7 /* fstring.cpp in Sources */,
 				4FFBB91320863B0E00DDD0E7 /* vstpresetfile.cpp in Sources */,
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj b/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj
index 4426d5e4..7d532780 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj
@@ -299,10 +299,13 @@
     <ClInclude Include="..\dsp\cnpy.h" />
     <ClInclude Include="..\dsp\dsp.h" />
     <ClInclude Include="..\dsp\HardCodedModel.h" />
+    <ClInclude Include="..\dsp\ImpulseResponse.h" />
     <ClInclude Include="..\dsp\lstm.h" />
     <ClInclude Include="..\dsp\numpy_util.h" />
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h" />
+    <ClInclude Include="..\dsp\Resample.h" />
     <ClInclude Include="..\dsp\util.h" />
+    <ClInclude Include="..\dsp\wav.h" />
     <ClInclude Include="..\dsp\wavenet.h" />
     <ClInclude Include="..\NeuralAmpModeler.h" />
     <ClInclude Include="..\resources\resource.h" />
@@ -341,10 +344,12 @@
     <ClCompile Include="..\dsp\cnpy.cpp" />
     <ClCompile Include="..\dsp\dsp.cpp" />
     <ClCompile Include="..\dsp\get_dsp.cpp" />
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp" />
     <ClCompile Include="..\dsp\lstm.cpp" />
     <ClCompile Include="..\dsp\numpy_util.cpp" />
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp" />
     <ClCompile Include="..\dsp\util.cpp" />
+    <ClCompile Include="..\dsp\wav.cpp" />
     <ClCompile Include="..\dsp\wavenet.cpp" />
     <ClCompile Include="..\NeuralAmpModeler.cpp" />
   </ItemGroup>
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj.filters b/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj.filters
index e965e4f7..39392fe1 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj.filters
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-vst2.vcxproj.filters
@@ -72,6 +72,12 @@
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp">
       <Filter>dsp</Filter>
     </ClCompile>
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\dsp\wav.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="../config.h" />
@@ -245,6 +251,15 @@
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h">
       <Filter>dsp</Filter>
     </ClInclude>
+    <ClInclude Include="..\dsp\ImpulseResponse.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\wav.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\Resample.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="IPlug">
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj b/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj
index 8f7a0aa4..fc793c0c 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj
@@ -331,10 +331,13 @@
     <ClInclude Include="..\dsp\cnpy.h" />
     <ClInclude Include="..\dsp\dsp.h" />
     <ClInclude Include="..\dsp\HardCodedModel.h" />
+    <ClInclude Include="..\dsp\ImpulseResponse.h" />
     <ClInclude Include="..\dsp\lstm.h" />
     <ClInclude Include="..\dsp\numpy_util.h" />
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h" />
+    <ClInclude Include="..\dsp\Resample.h" />
     <ClInclude Include="..\dsp\util.h" />
+    <ClInclude Include="..\dsp\wav.h" />
     <ClInclude Include="..\dsp\wavenet.h" />
     <ClInclude Include="..\NeuralAmpModeler.h" />
     <ClInclude Include="..\resources\resource.h" />
@@ -401,10 +404,12 @@
     <ClCompile Include="..\dsp\cnpy.cpp" />
     <ClCompile Include="..\dsp\dsp.cpp" />
     <ClCompile Include="..\dsp\get_dsp.cpp" />
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp" />
     <ClCompile Include="..\dsp\lstm.cpp" />
     <ClCompile Include="..\dsp\numpy_util.cpp" />
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp" />
     <ClCompile Include="..\dsp\util.cpp" />
+    <ClCompile Include="..\dsp\wav.cpp" />
     <ClCompile Include="..\dsp\wavenet.cpp" />
     <ClCompile Include="..\NeuralAmpModeler.cpp" />
   </ItemGroup>
diff --git a/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj.filters b/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj.filters
index d6967fc3..76f08772 100644
--- a/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj.filters
+++ b/NeuralAmpModeler/projects/NeuralAmpModeler-vst3.vcxproj.filters
@@ -158,6 +158,12 @@
     <ClCompile Include="..\dsp\RecursiveLinearFilter.cpp">
       <Filter>dsp</Filter>
     </ClCompile>
+    <ClCompile Include="..\dsp\ImpulseResponse.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\dsp\wav.cpp">
+      <Filter>dsp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="../config.h" />
@@ -409,6 +415,15 @@
     <ClInclude Include="..\dsp\RecursiveLinearFilter.h">
       <Filter>dsp</Filter>
     </ClInclude>
+    <ClInclude Include="..\dsp\ImpulseResponse.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\wav.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\dsp\Resample.h">
+      <Filter>dsp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="resources">
diff --git a/NeuralAmpModeler/resources/img/close-button.svg b/NeuralAmpModeler/resources/img/close-button.svg
new file mode 100644
index 00000000..834b1a7b
--- /dev/null
+++ b/NeuralAmpModeler/resources/img/close-button.svg
@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   id="svg2"
+   viewBox="0 0 750.00003 754.197"
+   version="1.1"
+   sodipodi:docname="close-button.svg"
+   width="699.979"
+   height="703.89606"
+   inkscape:version="1.2.2 (732a01da63, 2022-12-09)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <defs
+     id="defs24" />
+  <sodipodi:namedview
+     id="namedview22"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="0.97586467"
+     inkscape:cx="194.69913"
+     inkscape:cy="369.92834"
+     inkscape:window-width="3840"
+     inkscape:window-height="2097"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <g
+     id="layer1"
+     transform="translate(1.0553132,-130.49579)">
+    <path
+       id="path2989"
+       d="m 814.29,606.65 a 314.29,314.29 0 1 1 -628.57,0 314.29,314.29 0 1 1 628.57,0 z"
+       stroke="#000000"
+       stroke-width="5"
+       transform="matrix(1.1048,0,0,1.1048,-179.21,-162.53)" />
+    <g
+       id="g3763"
+       transform="matrix(0.91837,0,0,0.91837,47.587,10.944)"
+       stroke="#ffffff"
+       stroke-linecap="round"
+       stroke-width="133.87"
+       fill="none">
+      <path
+         id="path2991"
+         d="M 176.51,362.87 532.64,719" />
+      <path
+         id="path2993"
+         d="M 532.64,362.87 176.51,719" />
+    </g>
+  </g>
+  <metadata
+     id="metadata19">
+    <rdf:RDF>
+      <cc:Work>
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <cc:license
+           rdf:resource="http://creativecommons.org/publicdomain/zero/1.0/" />
+        <dc:publisher>
+          <cc:Agent
+             rdf:about="http://openclipart.org/">
+            <dc:title>Openclipart</dc:title>
+          </cc:Agent>
+        </dc:publisher>
+        <dc:title>Close Button</dc:title>
+        <dc:date>2013-09-18T11:23:45</dc:date>
+        <dc:description>A round black close button with a white, thick, X in the center.</dc:description>
+        <dc:source>https://openclipart.org/detail/183568/close-button-by-henrikhoff-183568</dc:source>
+        <dc:creator>
+          <cc:Agent>
+            <dc:title>henrikhoff</dc:title>
+          </cc:Agent>
+        </dc:creator>
+        <dc:subject>
+          <rdf:Bag>
+            <rdf:li>black</rdf:li>
+            <rdf:li>close button</rdf:li>
+            <rdf:li>cross</rdf:li>
+            <rdf:li>icon</rdf:li>
+            <rdf:li>white</rdf:li>
+            <rdf:li>x</rdf:li>
+          </rdf:Bag>
+        </dc:subject>
+      </cc:Work>
+      <cc:License
+         rdf:about="http://creativecommons.org/publicdomain/zero/1.0/">
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Reproduction" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Distribution" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
+      </cc:License>
+    </rdf:RDF>
+  </metadata>
+</svg>
diff --git a/NeuralAmpModeler/resources/main.rc b/NeuralAmpModeler/resources/main.rc
index 18c177b9..98201bcc 100644
--- a/NeuralAmpModeler/resources/main.rc
+++ b/NeuralAmpModeler/resources/main.rc
@@ -233,6 +233,7 @@ ROBOTO_FN TTF ROBOTO_FN
 TOLEX_FN JPEG TOLEX_FN
 TOLEX2X_FN JPEG TOLEX2X_FN
 FOLDER_FN SVG FOLDER_FN
+CLOSE_BUTTON_FN SVG CLOSE_BUTTON_FN
 HELP_FN SVG HELP_FN
 /////////////////////////////////////////////////////////////////////////////
 #endif    // not APSTUDIO_INVOKED