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Don't run median filters for higher frequencies than we're going to use anyway

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This commit is contained in:
Chris Cannam
2022-06-07 11:05:50 +01:00
parent 1bfd02c6f3
commit 8ed709d274
3 changed files with 21 additions and 14 deletions
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14
src/finer/R3StretcherImpl.cpp
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@@ -43,12 +43,20 @@ R3StretcherImpl::R3StretcherImpl(Parameters parameters,
m_prevOuthop(1),
m_draining(false)
{
double maxClassifierFrequency = 16000.0;
if (maxClassifierFrequency > m_parameters.sampleRate/2) {
maxClassifierFrequency = m_parameters.sampleRate/2;
}
int classificationBins =
int(floor(m_guideConfiguration.classificationFftSize *
maxClassifierFrequency / m_parameters.sampleRate));
BinSegmenter::Parameters segmenterParameters
(m_guideConfiguration.classificationFftSize,
m_parameters.sampleRate);
classificationBins, m_parameters.sampleRate);
BinClassifier::Parameters classifierParameters
(m_guideConfiguration.classificationFftSize / 2 + 1,
9, 1, 10, 2.0, 2.0, 1.0e-7);
(classificationBins, 9, 1, 10, 2.0, 2.0, 1.0e-7);
int inRingBufferSize = m_guideConfiguration.longestFftSize * 2;
int outRingBufferSize = m_guideConfiguration.longestFftSize * 16;