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Avoid excessive outhop when pitch shifting a long way

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This commit is contained in:
Chris Cannam
2022-05-27 11:34:35 +01:00
parent 9ecc601a2c
commit 9379908982
1 changed files with 5 additions and 2 deletions
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7
src/finer/R3StretcherImpl.cpp
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@@ -150,7 +150,10 @@ void
R3StretcherImpl::calculateHop()
{
double ratio = getEffectiveRatio();
double proposedOuthop = 256;
double proposedOuthop = 256.0;
if (proposedOuthop * m_pitchScale > 2048.0) {
proposedOuthop = 2048.0 / m_pitchScale;
}
double inhop = 1.0;
if (ratio > 1.0) {
@@ -165,7 +168,7 @@ R3StretcherImpl::calculateHop()
m_inhop = int(round(inhop));
std::cout << "R3StretcherImpl::calculateHop: inhop " << m_inhop << ", mean outhop " << m_inhop * ratio << std::endl;
std::cout << "R3StretcherImpl::calculateHop: inhop = " << m_inhop << ", proposed outhop = " << proposedOuthop << ", mean outhop = " << m_inhop * ratio << std::endl;
}
double