Edinburgh Speech Tools 2.4-release
 
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EST_HMM.h
1/*************************************************************************/
2/* */
3/* Centre for Speech Technology Research */
4/* University of Edinburgh, UK */
5/* Copyright (c) 1995,1996 */
6/* All Rights Reserved. */
7/* */
8/* Permission is hereby granted, free of charge, to use and distribute */
9/* this software and its documentation without restriction, including */
10/* without limitation the rights to use, copy, modify, merge, publish, */
11/* distribute, sublicense, and/or sell copies of this work, and to */
12/* permit persons to whom this work is furnished to do so, subject to */
13/* the following conditions: */
14/* 1. The code must retain the above copyright notice, this list of */
15/* conditions and the following disclaimer. */
16/* 2. Any modifications must be clearly marked as such. */
17/* 3. Original authors' names are not deleted. */
18/* 4. The authors' names are not used to endorse or promote products */
19/* derived from this software without specific prior written */
20/* permission. */
21/* */
22/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30/* THIS SOFTWARE. */
31/* */
32/*************************************************************************/
33/* Author : Paul Taylor */
34/* Date : June 1996 */
35/*-----------------------------------------------------------------------*/
36/* HMM Class header file */
37/* */
38/*=======================================================================*/
39
40#ifndef __EST_HMM_H__
41#define __EST_HMM_H__
42
43#include "EST_String.h"
44#include "EST_FMatrix.h"
45#include "EST_Token.h"
46
48private:
49public:
51 HMM_Mixture(const HMM_Mixture &s);
52 HMM_Mixture(int n);
53
54 void init(int vsize);
55
56 EST_FVector mean;
57 EST_FVector var;
58 float gconst;
59 int vecsize;
60 HMM_Mixture& operator = (const HMM_Mixture& a);
61};
62
63ostream& operator<<(ostream& s, const HMM_Mixture &mix);
64
65class HMM_State {
66private:
67public:
68 HMM_State();
69 HMM_State(const HMM_State &s);
70 HMM_State(int n);
71
72 void init(int n_mixes, int vsize);
73
75 EST_FVector m_weight;
76
77 HMM_State& operator = (const HMM_State& a);
78};
79
80ostream& operator<<(ostream& s, const HMM_State &st);
81
82class HMM {
83private:
84public:
85 HMM();
86 HMM(int n, int v);
87
88 void init(int n_states, int vsize, int n_streams);
89
90 EST_String name;
91
92 void clear();
93
94 EST_String covkind;
95 EST_String durkind;
96 EST_String sampkind;
97
99 EST_FMatrix trans;
100
101 int num_streams;
102 int vecsize;
103
104 EST_read_status load(EST_String file);
105 EST_read_status load_portion(EST_TokenStream &ts, int v_size,
106 int n_streams);
107 EST_write_status save(EST_String file);
108 HMM& operator = (const HMM& a);
109
110 void balls(void);
111};
112
113
114
115ostream& operator<<(ostream& s, const HMM &model);
116
117int operator !=(const HMM_Mixture &a, const HMM_Mixture &b);
118int operator !=(const HMM_State &a, const HMM_State &b);
119
120
122
123
124
125#endif /* __EST_HMM_H__ */
Definition EST_HMM.h:82