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esp32s3 + esp-idf-5.2.1 pdm录音不正常 (IDFGH-14777) #15515

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crl6 opened this issue Mar 4, 2025 · 2 comments
Open
3 tasks done

esp32s3 + esp-idf-5.2.1 pdm录音不正常 (IDFGH-14777) #15515

crl6 opened this issue Mar 4, 2025 · 2 comments
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@crl6
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crl6 commented Mar 4, 2025

Answers checklist.

  • I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
  • I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
  • I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

去年的问题还没解决。#13714
做过的尝试,更换不同开发板,使用不同gpio,使用不同pdm麦克风,今天新增测试DM4737-223,效果是一样的。

  1. 请问你们测试pdm录音功能,有使用过哪款pdm麦克风吗,可以给个型号或者链接吗?
  2. 你们测试pdm录音是保存成文件在电脑上看波形还是直接串口打印数据?
@espressif-bot espressif-bot added the Status: Opened Issue is new label Mar 4, 2025
@github-actions github-actions bot changed the title esp32s3 + esp-idf-5.2.1 pdm录音不正常 esp32s3 + esp-idf-5.2.1 pdm录音不正常 (IDFGH-14777) Mar 4, 2025
@crl6
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crl6 commented Mar 4, 2025

连线图:

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@crl6
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crl6 commented Mar 5, 2025

sdk自带的pdm rx例子是录制单声道,并且是用串口打印的。

麻烦提供一个验证ok的例子(录音立体声保存成文件,在电脑播放声音正常的,并且波形也是正常的)。

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