detectBeats()

void fl::audio::BeatDetectors::detectBeats	(	span< const float, 16 >	frequencyBins,
		Data &	audioData )

Definition at line 882 of file audio_reactive.cpp.hpp.

                                                                                                 {
    // Calculate current band energies
    mBassEnergy = (frequencyBins[0] + frequencyBins[1]) / 2.0f;
    mMidEnergy = (frequencyBins[6] + frequencyBins[7]) / 2.0f;
    mTrebleEnergy = (frequencyBins[14] + frequencyBins[15]) / 2.0f;
    
    // Simple threshold-based detection using per-band energy deltas.
    audioData.bassBeatDetected = (mBassEnergy > mPreviousBassEnergy * 1.3f) && (mBassEnergy > 0.1f);
    audioData.midBeatDetected = (mMidEnergy > mPreviousMidEnergy * 1.25f) && (mMidEnergy > 0.08f);
    audioData.trebleBeatDetected = (mTrebleEnergy > mPreviousTrebleEnergy * 1.2f) && (mTrebleEnergy > 0.05f);
    
    // Update previous energies
    mPreviousBassEnergy = mBassEnergy;
    mPreviousMidEnergy = mMidEnergy;
    mPreviousTrebleEnergy = mTrebleEnergy;
}

References fl::FL_NO_EXCEPT, mBassEnergy, mMidEnergy, mPreviousBassEnergy, mPreviousMidEnergy, mPreviousTrebleEnergy, and mTrebleEnergy.

Referenced by ~BeatDetectors().

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