Mercurial > hg > qm-dsp
annotate dsp/phasevocoder/PhaseVocoder.h @ 17:a120ac7b26b2
* Build PCA and HMM
| author | cannam |
|---|---|
| date | Wed, 09 Jan 2008 10:37:06 +0000 |
| parents | d7116e3183f8 |
| children | 7fe29d8a7eaf |
| rev | line source |
|---|---|
| cannam@0 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
| cannam@0 | 2 |
| cannam@0 | 3 /* |
| cannam@0 | 4 QM DSP Library |
| cannam@0 | 5 |
| cannam@0 | 6 Centre for Digital Music, Queen Mary, University of London. |
| cannam@0 | 7 This file copyright 2005-2006 Christian Landone. |
| cannam@0 | 8 All rights reserved. |
| cannam@0 | 9 */ |
| cannam@0 | 10 |
| cannam@0 | 11 #ifndef PHASEVOCODER_H |
| cannam@0 | 12 #define PHASEVOCODER_H |
| cannam@0 | 13 |
| cannam@0 | 14 |
| cannam@0 | 15 class PhaseVocoder |
| cannam@0 | 16 { |
| cannam@0 | 17 public: |
| cannam@0 | 18 PhaseVocoder(); |
| cannam@0 | 19 virtual ~PhaseVocoder(); |
| cannam@0 | 20 |
| cannam@0 | 21 void process( unsigned int size, double* src, double* mag, double* theta); |
| cannam@0 | 22 void FFTShift( unsigned int size, double* src); |
| cannam@0 | 23 |
| cannam@0 | 24 protected: |
| cannam@0 | 25 void getPhase(unsigned int size, double *theta, double *real, double *imag); |
| cannam@0 | 26 void coreFFT( unsigned int NumSamples, double *RealIn, double* ImagIn, double *RealOut, double *ImagOut); |
| cannam@0 | 27 void getMagnitude( unsigned int size, double* mag, double* real, double* imag); |
| cannam@0 | 28 |
| cannam@0 | 29 double* shiftBuffer; |
| cannam@0 | 30 double* imagOut; |
| cannam@0 | 31 double* realOut; |
| cannam@0 | 32 |
| cannam@0 | 33 }; |
| cannam@0 | 34 |
| cannam@0 | 35 #endif |