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102 lines
2.8 KiB
102 lines
2.8 KiB
/***************************************************************************
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* Copyright (C) 2005 by Olivier Goffart *
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* ogoffart@kde.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef SIGNATURE_H
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#define SIGNATURE_H
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#include <tqmemarray.h>
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#include <tqmap.h>
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#include <kdemacros.h>
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class Sound;
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class TDEConfigBase;
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#define WINDOW_MINIMUM 0.10
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#define WINDOW_MINIMUM_ECART 200
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#define WINDOW_NUMBER 7
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#define WINDOW_SUPER 0.43
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#define WINDOW_UNIT sound.fs()/4
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#define FOUR_NUMBER 7
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#define FOUR_SUPER 0
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#define FFT_RANGE_INF 370
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#define FFT_RANGE_SUP 2000
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// #define FFT_PONDERATION(f) ((double)log(1+(f))/log(10))
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#define FFT_PONDERATION(f) 1
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// theses settings are better in a 8000Hz fs
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/*#define FFT_RANGE_INF 300
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#define FFT_RANGE_SUP 1500*/
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//#define REJECT_FACTOR_ECART_REL 0.5
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#define REJECT_FACTOR_DIFF 0.0018
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#define HAMMING false
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namespace KHotKeys
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{
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/**
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@author Olivier Goffart
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*/
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class KDE_EXPORT VoiceSignature{
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public:
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explicit VoiceSignature(const Sound& s);
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VoiceSignature(){}
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~VoiceSignature();
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TQMap<int, TQMap<int, double> > data;
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static TQMap<int, TQMap<int, double> > pond;
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static float diff(const VoiceSignature &s1, const VoiceSignature &s2);
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static int size1();
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static int size2();
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static TQMemArray<double> fft(const Sound& sound, unsigned int start, unsigned int stop);
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static bool window(const Sound& sound, unsigned int *start, unsigned int *stop);
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void write(TDEConfigBase *cfg, const TQString &key) const;
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void read(TDEConfigBase *cfg, const TQString &key);
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inline bool isNull() const
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{
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return data.isEmpty();
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}
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};
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}
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#endif
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