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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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3
src/finer/Guide.h
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@@ -144,6 +144,7 @@ public:
const BinSegmenter::Segmentation &segmentation,
const BinSegmenter::Segmentation &prevSegmentation,
const BinSegmenter::Segmentation &nextSegmentation,
bool specialCaseUnity,
Guidance &guidance) const {
guidance.kick.present = false;
@@ -157,7 +158,7 @@ public:
guidance.fftBands[1].fftSize = roundUp(int(ceil(nyquist/16.0)));
guidance.fftBands[2].fftSize = roundUp(int(ceil(nyquist/32.0)));
if (fabs(ratio - 1.0) < 1.0e-6) {
if (specialCaseUnity && (fabs(ratio - 1.0) < 1.0e-6)) {
guidance.fftBands[0].f0 = 0.0;
guidance.fftBands[0].f1 = 0.0;
guidance.fftBands[1].f0 = 0.0;