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Update Voice.cpp

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This commit is contained in:
Jack Andersen 2016-05-11 12:39:24 -10:00
parent 233c53ac57
commit 1d726ed179
1 changed files with 1 additions and 1 deletions
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lib/Voice.cpp
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@ -85,7 +85,7 @@ void Voice::_doKeyOff()
void Voice::_setTotalPitch(int32_t cents) void Voice::_setTotalPitch(int32_t cents)
{ {
int32_t interval = cents - m_curSample->first.m_pitch * 100; int32_t interval = cents - m_curSample->first.m_pitch * 100;
double ratio = std::pow(2.0, interval / 1200.0); double ratio = std::exp2(interval / 1200.0);
m_sampleRate = m_curSample->first.m_sampleRate * ratio; m_sampleRate = m_curSample->first.m_sampleRate * ratio;
m_backendVoice->setPitchRatio(ratio); m_backendVoice->setPitchRatio(ratio);
} }