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First cut at formant preservation

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This commit is contained in:
Chris Cannam
2022-05-27 14:58:42 +01:00
parent 4d4bc7b4c3
commit f13d96a474
5 changed files with 156 additions and 23 deletions
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23
src/finer/BinSegmenter.h
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@@ -50,23 +50,18 @@ public:
fftSize(_fftSize), sampleRate(_sampleRate) { }
};
BinSegmenter(Parameters parameters,
BinClassifier::Parameters classifierParameters) :
BinSegmenter(Parameters parameters) :
m_parameters(parameters),
m_classifierParameters(classifierParameters),
m_classifier(classifierParameters),
m_classification(classifierParameters.binCount,
BinClassifier::Classification::Silent),
m_numeric(classifierParameters.binCount, 0),
m_classFilter(classifierParameters.binCount / 64)
m_binCount(m_parameters.fftSize/2 + 1),
m_numeric(m_binCount, 0),
m_classFilter(m_binCount / 64)
{
}
Segmentation segment(const double *const mag) {
int n = m_classifierParameters.binCount;
m_classifier.classify(mag, m_classification.data());
Segmentation segment(const BinClassifier::Classification *classification) {
int n = m_binCount;
for (int i = 0; i < n; ++i) {
switch (m_classification[i]) {
switch (classification[i]) {
case BinClassifier::Classification::Harmonic:
m_numeric[i] = 0; break;
case BinClassifier::Classification::Percussive:
@@ -108,9 +103,7 @@ public:
protected:
Parameters m_parameters;
BinClassifier::Parameters m_classifierParameters;
BinClassifier m_classifier;
std::vector<BinClassifier::Classification> m_classification;
int m_binCount;
std::vector<int> m_numeric;
MovingMedian<int> m_classFilter;