update()

void fl::audio::NoiseFloorTracker::update	(	float	timedomainLevel,
		float	frequencydomainLevel = -1.0f )

Update noise floor estimate with new observation.

Parameters

timedomainLevel	Time-domain metric (e.g., RMS, peak)
frequencydomainLevel	Optional frequency-domain metric (e.g., spectral energy)

Definition at line 36 of file noise_floor_tracker.cpp.hpp.

                                                                                {
    if (!mConfig.enabled) {
        return;
    }
 
    // Combine time and frequency domain metrics if both provided
    float combinedLevel = combineDomains(timedomainLevel, frequencydomainLevel);
 
    // Update statistics
    if (mStats.samplesProcessed == 0) {
        mStats.minObserved = combinedLevel;
        mStats.maxObserved = combinedLevel;
 
        // Initialize floor to first observed level
        mCurrentFloor = fl::max(mConfig.minFloor, fl::min(mConfig.maxFloor, combinedLevel));
        mLastHysteresisFloor = mCurrentFloor;
    } else {
        mStats.minObserved = fl::min(mStats.minObserved, combinedLevel);
        mStats.maxObserved = fl::max(mStats.maxObserved, combinedLevel);
    }
    mStats.samplesProcessed++;
 
    // Update floor based on current observation
    updateFloor(combinedLevel);
 
    // Update stats
    mStats.currentFloor = mCurrentFloor;
}

References combineDomains(), fl::max(), mConfig, mCurrentFloor, fl::min(), mLastHysteresisFloor, mStats, and updateFloor().

Referenced by ~NoiseFloorTracker().

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