calculatePitchBend() [2/2]

float fl::audio::detector::Note::calculatePitchBend ( float hz, u8 note ) const

private

Definition at line 188 of file note.cpp.hpp.

                                                                   {
    if (note == NO_NOTE || hz <= 0.0f) {
        return 0.0f;
    }
 
    float noteFrequency = midiNoteToFrequency(note);
    if (noteFrequency <= 0.0f) {
        return 0.0f;
    }
 
    // Calculate cents deviation from note center
    // Cents = 1200 × log₂(f / f_note)
    float cents = 1200.0f * (fl::logf(hz / noteFrequency) / fl::logf(2.0f));
 
    // Clamp to ±50 cents (typical range within a single note)
    return fl::clamp(cents, -50.0f, 50.0f);
}

References fl::clamp(), fl::FL_NO_EXCEPT, fl::logf(), midiNoteToFrequency(), and NO_NOTE.

Referenced by update().

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