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Avoid duplicate bin in the different scales

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This commit is contained in:
Chris Cannam
2022-05-26 17:46:13 +01:00
parent dd8d328ffb
commit 84cd061e9d
1 changed files with 6 additions and 5 deletions
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9
src/finer/R3StretcherImpl.cpp
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@@ -598,11 +598,12 @@ R3StretcherImpl::synthesiseChannel(int c, int outhop)
// domain. Aliasing is reduced by the shorter resynthesis
// window
double factor = m_parameters.sampleRate / double(fftSize);
int lowBin = int(floor(fftSize * band.f0 / m_parameters.sampleRate));
int highBin = int(floor(fftSize * band.f1 / m_parameters.sampleRate));
if (highBin % 2 == 1) --highBin;
for (int i = 0; i < fftSize/2 + 1; ++i) {
double f = double(i) * factor;
if (f >= band.f0 && f < band.f1) {
//!!! check the mod 2 bit from stretch-fn
if (i >= lowBin && i < highBin) {
scale->mag[i] *= winscale;
} else {
scale->mag[i] = 0.f;