summaryrefslogtreecommitdiffstats
path: root/khotkeys/shared/voicesignature.h
blob: e0f31bb318cfd8c386905a7083c0f344b19c3d08 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/***************************************************************************
 *   Copyright (C) 2005 by Olivier Goffart   *
 *   [email protected]   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
 ***************************************************************************/
#ifndef SIGNATURE_H
#define SIGNATURE_H


#include <tqmemarray.h>
#include <tqmap.h>
#include <tdemacros.h>

class Sound;
class TDEConfigBase;


#define WINDOW_MINIMUM 0.10
#define WINDOW_MINIMUM_ECART 200
#define WINDOW_NUMBER 7
#define WINDOW_SUPER 0.43
#define WINDOW_UNIT sound.fs()/4
#define FOUR_NUMBER 7
#define FOUR_SUPER 0


#define FFT_RANGE_INF 370
#define FFT_RANGE_SUP 2000
// #define FFT_PONDERATION(f) ((double)log(1+(f))/log(10))
#define FFT_PONDERATION(f) 1


// theses settings are better in a 8000Hz fs
/*#define FFT_RANGE_INF 300
#define FFT_RANGE_SUP 1500*/


//#define REJECT_FACTOR_ECART_REL 0.5
#define REJECT_FACTOR_DIFF 0.0018



#define HAMMING false




namespace KHotKeys
{


/**
@author Olivier Goffart
*/
class TDE_EXPORT VoiceSignature{
public:
    explicit VoiceSignature(const Sound& s);

	VoiceSignature(){}
	~VoiceSignature();

	TQMap<int, TQMap<int, double> > data;
	
	static TQMap<int, TQMap<int, double> > pond;

	static float diff(const VoiceSignature &s1, const VoiceSignature &s2);


	static int size1();
	static int size2();


	static TQMemArray<double> fft(const Sound& sound, unsigned int start, unsigned int stop);
	static bool window(const Sound& sound, unsigned int *start, unsigned int *stop);

	void write(TDEConfigBase *cfg, const TQString &key) const;
	void read(TDEConfigBase *cfg, const TQString &key);
	
	inline bool isNull() const
	{
		return data.isEmpty();
	}
};

}

#endif