qm-dsp
1.8
DFProcess.h
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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QM DSP Library
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Centre for Digital Music, Queen Mary, University of London.
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This file 2005-2006 Christian Landone.
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Modifications:
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- delta threshold
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Description: add delta threshold used as offset in the smoothed
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detection function
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Author: Mathieu Barthet
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Date: June 2010
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef CDFPROCESS_H
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#define CDFPROCESS_H
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#include <stdio.h>
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#include "
FiltFilt.h
"
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struct
DFProcConfig
{
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unsigned
int
length
;
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unsigned
int
LPOrd
;
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double
*
LPACoeffs
;
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double
*
LPBCoeffs
;
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unsigned
int
winPre
;
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unsigned
int
winPost
;
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double
AlphaNormParam
;
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bool
isMedianPositive
;
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float
Delta
;
//delta threshold used as an offset when computing the smoothed detection function
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};
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class
DFProcess
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{
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public
:
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DFProcess
(
DFProcConfig
Config );
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virtual
~
DFProcess
();
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void
process(
double
* src,
double
* dst );
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private
:
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void
initialise(
DFProcConfig
Config );
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void
deInitialise();
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void
removeDCNormalize(
double
*src,
double
*dst );
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void
medianFilter(
double
* src,
double
* dst );
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int
m_length
;
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int
m_FFOrd
;
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int
m_winPre
;
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int
m_winPost
;
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double
m_alphaNormParam
;
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double
*
filtSrc
;
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double
*
filtDst
;
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double
*
m_filtScratchIn
;
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double
*
m_filtScratchOut
;
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FilterConfig
m_FilterConfigParams
;
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FiltFilt
*
m_FiltFilt
;
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bool
m_isMedianPositive
;
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float
m_Delta
;
//add delta threshold
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};
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#endif
DFProcess::filtSrc
double * filtSrc
Definition:
DFProcess.h:65
FilterConfig
Filter specification.
Definition:
Filter.h:29
DFProcess::m_filtScratchOut
double * m_filtScratchOut
Definition:
DFProcess.h:69
DFProcConfig::LPBCoeffs
double * LPBCoeffs
Definition:
DFProcess.h:34
DFProcConfig::length
unsigned int length
Definition:
DFProcess.h:31
FiltFilt
Zero-phase digital filter, implemented by processing the data through a filter specified by the given...
Definition:
FiltFilt.h:26
DFProcess::filtDst
double * filtDst
Definition:
DFProcess.h:66
FiltFilt.h
DFProcConfig::winPre
unsigned int winPre
Definition:
DFProcess.h:35
DFProcess
Definition:
DFProcess.h:42
DFProcess::m_Delta
float m_Delta
Definition:
DFProcess.h:76
DFProcConfig::Delta
float Delta
Definition:
DFProcess.h:39
DFProcConfig::winPost
unsigned int winPost
Definition:
DFProcess.h:36
DFProcConfig::LPOrd
unsigned int LPOrd
Definition:
DFProcess.h:32
DFProcess::m_isMedianPositive
bool m_isMedianPositive
Definition:
DFProcess.h:75
DFProcConfig
Definition:
DFProcess.h:30
DFProcess::m_FFOrd
int m_FFOrd
Definition:
DFProcess.h:58
DFProcConfig::AlphaNormParam
double AlphaNormParam
Definition:
DFProcess.h:37
DFProcess::m_winPre
int m_winPre
Definition:
DFProcess.h:60
DFProcess::m_length
int m_length
Definition:
DFProcess.h:57
DFProcess::m_FiltFilt
FiltFilt * m_FiltFilt
Definition:
DFProcess.h:73
DFProcess::m_filtScratchIn
double * m_filtScratchIn
Definition:
DFProcess.h:68
DFProcess::m_alphaNormParam
double m_alphaNormParam
Definition:
DFProcess.h:63
DFProcConfig::isMedianPositive
bool isMedianPositive
Definition:
DFProcess.h:38
DFProcConfig::LPACoeffs
double * LPACoeffs
Definition:
DFProcess.h:33
DFProcess::m_winPost
int m_winPost
Definition:
DFProcess.h:61
DFProcess::m_FilterConfigParams
FilterConfig m_FilterConfigParams
Definition:
DFProcess.h:71
dsp
signalconditioning
DFProcess.h
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