filterSpikes()

size fl::audio::SignalConditioner::filterSpikes ( span< const i16 > pcm, vector< bool > & validMask )

private

Detect and reject spike samples.

Parameters

pcm	Input PCM samples
validMask	Output mask (true = valid, false = spike)

Returns

Count of valid samples

Definition at line 88 of file signal_conditioner.cpp.hpp.

                                                                                 {
    const size count = pcm.size();
    validMask.clear();
    validMask.reserve(count);
 
    size validCount = 0;
    const i16 threshold = mConfig.spikeThreshold;
 
    for (size i = 0; i < count; ++i) {
        const i16 sample = pcm[i];
        const bool isValid = (sample > -threshold) && (sample < threshold);
        validMask.push_back(isValid);
        if (isValid) {
            validCount++;
        }
    }
 
    // Update spike rejection count
    const size spikesInSample = count - validCount;
    mStats.spikesRejected += spikesInSample;
 
    return validCount;
}

References fl::vector< T >::clear(), mConfig, mStats, fl::vector< T >::push_back(), fl::vector< T >::reserve(), fl::sample(), and fl::span< T, Extent >::size().

Referenced by processSample().

Here is the call graph for this function:

Here is the caller graph for this function: