TempoAnalyzer()

fl::audio::detector::TempoAnalyzer::TempoAnalyzer

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Definition at line 11 of file tempo_analyzer.cpp.hpp.

    : mCurrentBPM(120.0f)
    , mConfidence(0.0f)
    , mIsStable(false)
    , mStability(0.0f)
    , mMinBPM(60.0f)
    , mMaxBPM(180.0f)
    , mStabilityThreshold(0.8f)
    , mPreviousFlux(0.0f)
    , mAdaptiveThreshold(0.0f)
    , mStableFrameCount(0)
{
    mPreviousMagnitudes.resize(8, 0.0f);  // Track first 8 bins for spectral flux
    mHypotheses.reserve(MAX_HYPOTHESES);
 
    // BPM confidence fades over ~2s of silence — musical tempo has natural
    // persistence; snapping faster feels wrong. Raw BPM is NOT gated so that
    // when audio returns, beat sync resumes from the same tempo estimate.
    SilenceEnvelope::Config cfg;
    cfg.decayTauSeconds = 2.0f;
    cfg.targetValue = 0.0f;
    mConfidenceEnvelope.configure(cfg);
}

References fl::audio::SilenceEnvelope::Config::decayTauSeconds, mAdaptiveThreshold, MAX_HYPOTHESES, mConfidence, mConfidenceEnvelope, mCurrentBPM, mHypotheses, mIsStable, mMaxBPM, mMinBPM, mPreviousFlux, mPreviousMagnitudes, mStability, mStabilityThreshold, mStableFrameCount, and fl::audio::SilenceEnvelope::Config::targetValue.

Referenced by update().

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