36 lines
963 B
C++
36 lines
963 B
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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QM DSP library
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Centre for Digital Music, Queen Mary, University of London.
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This file Copyright 2006 Chris Cannam.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _PITCH_H_
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#define _PITCH_H_
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/**
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* Convert between musical pitch (i.e. MIDI pitch number) and
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* fundamental frequency.
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*/
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class Pitch
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{
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public:
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static float getFrequencyForPitch(int midiPitch,
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float centsOffset = 0,
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float concertA = 440.0);
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static int getPitchForFrequency(float frequency,
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float *centsOffsetReturn = 0,
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float concertA = 440.0);
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};
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#endif
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