diff options
Diffstat (limited to 'libs/qm-dsp/dsp/chromagram/ConstantQ.cpp')
| -rw-r--r-- | libs/qm-dsp/dsp/chromagram/ConstantQ.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libs/qm-dsp/dsp/chromagram/ConstantQ.cpp b/libs/qm-dsp/dsp/chromagram/ConstantQ.cpp index 222fd80a36..fa6c32c26b 100644 --- a/libs/qm-dsp/dsp/chromagram/ConstantQ.cpp +++ b/libs/qm-dsp/dsp/chromagram/ConstantQ.cpp @@ -109,14 +109,14 @@ void ConstantQ::sparsekernel() sk->js.reserve( m_FFTLength*2 ); sk->real.reserve( m_FFTLength*2 ); sk->imag.reserve( m_FFTLength*2 ); - + // for each bin value K, calculate temporal kernel, take its fft to //calculate the spectral kernel then threshold it to make it sparse and //add it to the sparse kernels matrix double squareThreshold = m_CQThresh * m_CQThresh; FFT m_FFT(m_FFTLength); - + for (unsigned k = m_uK; k--; ) { for (unsigned u=0; u < m_FFTLength; u++) @@ -152,13 +152,13 @@ void ConstantQ::sparsekernel() //do fft of hammingWindow m_FFT.process( 0, hammingWindowRe, hammingWindowIm, transfHammingWindowRe, transfHammingWindowIm ); - + for (unsigned j=0; j<( m_FFTLength ); j++) { // perform thresholding const double squaredBin = squaredModule( transfHammingWindowRe[ j ], transfHammingWindowIm[ j ]); if (squaredBin <= squareThreshold) continue; - + // Insert non-zero position indexes, doubled because they are floats sk->is.push_back(j); sk->js.push_back(k); @@ -266,7 +266,7 @@ double* ConstantQ::process( const double* fftdata ) const double *real = &(sk->real[0]); const double *imag = &(sk->imag[0]); const unsigned int sparseCells = sk->real.size(); - + for (unsigned i = 0; i<sparseCells; i++) { const unsigned row = cqbin[i]; @@ -335,7 +335,7 @@ void ConstantQ::process(const double *FFTRe, const double* FFTIm, const double *real = &(sk->real[0]); const double *imag = &(sk->imag[0]); const unsigned int sparseCells = sk->real.size(); - + for (unsigned i = 0; i<sparseCells; i++) { const unsigned row = cqbin[i]; |