MonoPitchHMM.h

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    pYIN - A fundamental frequency estimator for monophonic audio
    Centre for Digital Music, Queen Mary, University of London.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _MONOPITCHHMM_H_
#define _MONOPITCHHMM_H_

#include "SparseHMM.h"

#include <boost/math/distributions.hpp>

#include <vector>
#include <cstdio>

using std::vector;

class MonoPitchHMM : public SparseHMM
{
public:
    MonoPitchHMM(int fixedLag);
    std::vector<double> calculateObsProb(const vector<pair<double, double> > &);
    float nearestFreq(int state, const vector<pair<double, double> > &pitchProb);
    void build();
    double m_minFreq; // 82.40689f/2
    int m_nBPS;
    int m_nPitch;
    int m_transitionWidth;
    double m_selfTrans;
    double m_yinTrust;
    vector<double> m_freqs;
};

#endif