Mercurial > hg > qm-dsp
annotate dsp/signalconditioning/DFProcess.h @ 364:01d7da967123
Save extra samples from one process to next (+ other fixes and debug out)
| author | Chris Cannam <c.cannam@qmul.ac.uk> |
|---|---|
| date | Mon, 14 Oct 2013 08:15:51 +0100 |
| parents | f1e6be2de9a5 |
| children | 715f779d0b4f |
| rev | line source |
|---|---|
| c@225 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
| c@225 | 2 |
| c@225 | 3 /* |
| c@225 | 4 QM DSP Library |
| c@225 | 5 |
| c@225 | 6 Centre for Digital Music, Queen Mary, University of London. |
| c@309 | 7 This file 2005-2006 Christian Landone. |
| c@309 | 8 |
| mathieu@321 | 9 Modifications: |
| mathieu@321 | 10 |
| mathieu@321 | 11 - delta threshold |
| mathieu@321 | 12 Description: add delta threshold used as offset in the smoothed |
| mathieu@321 | 13 detection function |
| mathieu@321 | 14 Author: Mathieu Barthet |
| mathieu@321 | 15 Date: June 2010 |
| mathieu@321 | 16 |
| c@309 | 17 This program is free software; you can redistribute it and/or |
| c@309 | 18 modify it under the terms of the GNU General Public License as |
| c@309 | 19 published by the Free Software Foundation; either version 2 of the |
| c@309 | 20 License, or (at your option) any later version. See the file |
| c@309 | 21 COPYING included with this distribution for more information. |
| c@225 | 22 */ |
| c@225 | 23 |
| c@225 | 24 #ifndef CDFPROCESS_H |
| c@225 | 25 #define CDFPROCESS_H |
| c@225 | 26 |
| c@225 | 27 #include <stdio.h> |
| c@225 | 28 #include "FiltFilt.h" |
| c@225 | 29 |
| c@225 | 30 struct DFProcConfig{ |
| c@225 | 31 unsigned int length; |
| c@225 | 32 unsigned int LPOrd; |
| c@225 | 33 double *LPACoeffs; |
| c@225 | 34 double *LPBCoeffs; |
| c@225 | 35 unsigned int winPre; |
| c@225 | 36 unsigned int winPost; |
| c@225 | 37 double AlphaNormParam; |
| c@237 | 38 bool isMedianPositive; |
| mathieu@321 | 39 float Delta; //delta threshold used as an offset when computing the smoothed detection function |
| c@237 | 40 }; |
| c@225 | 41 |
| c@225 | 42 class DFProcess |
| c@225 | 43 { |
| c@225 | 44 public: |
| c@225 | 45 DFProcess( DFProcConfig Config ); |
| c@225 | 46 virtual ~DFProcess(); |
| c@225 | 47 |
| c@225 | 48 void process( double* src, double* dst ); |
| c@225 | 49 |
| c@225 | 50 |
| c@225 | 51 private: |
| c@225 | 52 void initialise( DFProcConfig Config ); |
| c@225 | 53 void deInitialise(); |
| c@225 | 54 void removeDCNormalize( double *src, double*dst ); |
| c@225 | 55 void medianFilter( double* src, double* dst ); |
| c@225 | 56 |
| c@299 | 57 int m_length; |
| c@299 | 58 int m_FFOrd; |
| c@225 | 59 |
| c@299 | 60 int m_winPre; |
| c@299 | 61 int m_winPost; |
| c@225 | 62 |
| c@225 | 63 double m_alphaNormParam; |
| c@225 | 64 |
| c@225 | 65 double* filtSrc; |
| c@225 | 66 double* filtDst; |
| c@225 | 67 |
| c@225 | 68 double* m_filtScratchIn; |
| c@225 | 69 double* m_filtScratchOut; |
| c@225 | 70 |
| c@225 | 71 FiltFiltConfig m_FilterConfigParams; |
| c@225 | 72 |
| c@225 | 73 FiltFilt* m_FiltFilt; |
| c@225 | 74 |
| c@225 | 75 bool m_isMedianPositive; |
| mathieu@321 | 76 float m_Delta; //add delta threshold |
| c@225 | 77 }; |
| c@225 | 78 |
| c@225 | 79 #endif |