Mercurial > hg > qm-dsp
diff dsp/chromagram/ConstantQ.cpp @ 466:46375e6d1b54
Apply fix from daschuer/mixxx:b9c6bde3 Extend the number of Q bins always to a full octave
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Wed, 29 May 2019 14:08:43 +0100 |
| parents | d5014ab8b0e5 |
| children | a72d98f8baa3 |
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--- a/dsp/chromagram/ConstantQ.cpp Wed May 29 13:55:26 2019 +0100 +++ b/dsp/chromagram/ConstantQ.cpp Wed May 29 14:08:43 2019 +0100 @@ -293,7 +293,7 @@ m_CQThresh = Config.CQThresh;// ConstantQ threshold for kernel generation m_dQ = 1/(pow(2,(1/(double)m_BPO))-1); // Work out Q value for Filter bank - m_uK = (unsigned int) ceil(m_BPO * log(m_FMax/m_FMin)/log(2.0)); // No. of constant Q bins + m_uK = m_BPO * int(ceil(log(m_FMax/m_FMin)/log(2.0))); // No. of constant Q bins, extended to a full octave // std::cerr << "ConstantQ::initialise: rate = " << m_FS << ", fmin = " << m_FMin << ", fmax = " << m_FMax << ", bpo = " << m_BPO << ", K = " << m_uK << ", Q = " << m_dQ << std::endl;