void SFZVoice::calcPitchRatio()
{
double note = curMidiNote;
note += region->transpose;
note += region->tune / 100.0;
double sampleRate = getSampleRate();
double adjustedPitch =
region->pitch_keycenter +
(note - region->pitch_keycenter) * (region->pitch_keytrack / 100.0);
if (curPitchWheel != 8192) {
double wheel = ((2.0 * curPitchWheel / 16383.0) - 1.0);
if (wheel > 0)
adjustedPitch += wheel * region->bend_up / 100.0;
else
adjustedPitch += wheel * region->bend_down / -100.0;
}
double targetFreq = noteHz(adjustedPitch);
double naturalFreq = MidiMessage::getMidiNoteInHertz(region->pitch_keycenter);
pitchRatio =
(targetFreq * region->sample->getSampleRate()) /
(naturalFreq * sampleRate);
}
smp_t noteMap(int key, int octave)
{
return noteHz(key, octave);
}
