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npisanti/logscaling.cpp

Created June 16, 2019 11:49
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pitch to frequency and frequency to pitch conversions
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logscaling.cpp
#define TUNINGFREQ 440.0
float p2f( float pitch ){
return pow( 2.0, (pitch-69.0)/12.0 ) * TUNINGFREQ;
}
float f2p( float freq ){
return (log2( freq / TUNINGFREQ ) * 12.0f ) + 69.0f;
}
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