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Experimentally (re-)introduce short window mode

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This commit is contained in:
Chris Cannam
2022-07-14 11:55:21 +01:00
parent dc74c993cf
commit 02928a3c86
4 changed files with 109 additions and 26 deletions
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19
src/finer/Guide.h
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@@ -105,7 +105,10 @@ public:
struct Parameters {
double sampleRate;
Parameters(double _sampleRate) : sampleRate(_sampleRate) { }
bool shortWindowMode;
Parameters(double _sampleRate, bool _shortWindow) :
sampleRate(_sampleRate),
shortWindowMode(_shortWindow) { }
};
Guide(Parameters parameters, Log log) :
@@ -120,7 +123,14 @@ public:
{
double rate = m_parameters.sampleRate;
m_log.log(1, "Guide: rate", rate);
m_log.log(1, "Guide: rate and short-window mode",
rate, m_parameters.shortWindowMode);
if (m_parameters.shortWindowMode) {
m_minLower = 0.0;
m_defaultLower = 0.0;
m_maxLower = 0.0;
}
int bandFftSize = roundUp(int(ceil(rate/16.0)));
m_configuration.fftBandLimits[0] =
@@ -301,6 +311,11 @@ public:
guidance.phaseLockBands[3].beta = betaFor(10000.0, ratio);
guidance.phaseLockBands[3].f0 = higher;
guidance.phaseLockBands[3].f1 = nyquist;
if (m_parameters.shortWindowMode) {
guidance.phaseLockBands[1].p = 1;
guidance.phaseLockBands[2].p = 2;
}
if (outhop > 256) {
guidance.phaseLockBands[3].p = 3;