qm-dsp 1.8
DFProcess.h
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1/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
2
3/*
4 QM DSP Library
5
6 Centre for Digital Music, Queen Mary, University of London.
7 This file 2005-2006 Christian Landone.
8
9 Modifications:
10
11 - delta threshold
12 Description: add delta threshold used as offset in the smoothed
13 detection function
14 Author: Mathieu Barthet
15 Date: June 2010
16
17 This program is free software; you can redistribute it and/or
18 modify it under the terms of the GNU General Public License as
19 published by the Free Software Foundation; either version 2 of the
20 License, or (at your option) any later version. See the file
21 COPYING included with this distribution for more information.
22*/
23
24#ifndef CDFPROCESS_H
25#define CDFPROCESS_H
26
27#include <stdio.h>
28#include "FiltFilt.h"
29
31 unsigned int length;
32 unsigned int LPOrd;
33 double *LPACoeffs;
34 double *LPBCoeffs;
35 unsigned int winPre;
36 unsigned int winPost;
39 float delta; //delta threshold used as an offset when computing the smoothed detection function
40
42 length(0),
43 LPOrd(0),
46 winPre(0),
47 winPost(0),
49 isMedianPositive(false),
50 delta(0)
51 {
52 }
53};
54
56{
57public:
58 DFProcess( DFProcConfig Config );
59 virtual ~DFProcess();
60
61 void process( double* src, double* dst );
62
63
64private:
65 void initialise( DFProcConfig Config );
66 void deInitialise();
67 void removeDCNormalize( double *src, double*dst );
68 void medianFilter( double* src, double* dst );
69
72
75
77
78 double* filtSrc;
79 double* filtDst;
80
83
85
87
89 float m_delta; //add delta threshold
90};
91
92#endif
#define NULL
Definition Filter.h:20
int m_winPost
Definition DFProcess.h:74
int m_winPre
Definition DFProcess.h:73
int m_FFOrd
Definition DFProcess.h:71
FiltFilt * m_FiltFilt
Definition DFProcess.h:86
int m_length
Definition DFProcess.h:70
bool m_isMedianPositive
Definition DFProcess.h:88
double * m_filtScratchIn
Definition DFProcess.h:81
virtual ~DFProcess()
Definition DFProcess.cpp:45
void removeDCNormalize(double *src, double *dst)
void medianFilter(double *src, double *dst)
Definition DFProcess.cpp:99
void initialise(DFProcConfig Config)
Definition DFProcess.cpp:50
void deInitialise()
Definition DFProcess.cpp:74
float m_delta
Definition DFProcess.h:89
FilterConfig m_FilterConfigParams
Definition DFProcess.h:84
double * filtSrc
Definition DFProcess.h:78
double * m_filtScratchOut
Definition DFProcess.h:82
void process(double *src, double *dst)
Definition DFProcess.cpp:87
double * filtDst
Definition DFProcess.h:79
double m_alphaNormParam
Definition DFProcess.h:76
Zero-phase digital filter, implemented by processing the data through a filter specified by the given...
Definition FiltFilt.h:27
unsigned int length
Definition DFProcess.h:31
double * LPBCoeffs
Definition DFProcess.h:34
unsigned int winPost
Definition DFProcess.h:36
double * LPACoeffs
Definition DFProcess.h:33
float delta
Definition DFProcess.h:39
unsigned int LPOrd
Definition DFProcess.h:32
bool isMedianPositive
Definition DFProcess.h:38
unsigned int winPre
Definition DFProcess.h:35
double AlphaNormParam
Definition DFProcess.h:37
Filter specification.
Definition Filter.h:29