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Changed the result of MidiMessage::getMidiNoteInHertz to correctly map midi 69 to 440Hz

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jules 2012-10-23 12:43:09 +01:00
parent 896e55ae27
commit 70257e902f
4 changed files with 11 additions and 17 deletions
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3
modules/juce_audio_basics/midi/juce_MidiMessage.cpp
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@ -951,8 +951,7 @@ String MidiMessage::getMidiNoteName (int note, bool useSharps, bool includeOctav
const double MidiMessage::getMidiNoteInHertz (int noteNumber, const double frequencyOfA) noexcept
{
noteNumber -= 12 * 6 + 9; // now 0 = A
return frequencyOfA * pow (2.0, noteNumber / 12.0);
return frequencyOfA * pow (2.0, (noteNumber - 69) / 12.0);
}
String MidiMessage::getGMInstrumentName (const int n)