PocketSphinx 5prealpha
ms_senone.h
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37/*
38 * senone.h -- Mixture density weights associated with each tied state.
39 */
40
41#ifndef _MS_SENONE_H_
42#define _MS_SENONE_H_
43
44
45/* SphinxBase headers. */
46#include <sphinxbase/err.h>
47#include <sphinxbase/ckd_alloc.h>
48#include <sphinxbase/cmd_ln.h>
49#include <sphinxbase/logmath.h>
50
51/* Local headers. */
52#include "ms_gauden.h"
53#include "bin_mdef.h"
54
63#ifdef __cplusplus
64extern "C" {
65#endif
66
67typedef uint8 senprob_t;
76typedef struct {
84 logmath_t *lmath;
85 uint32 n_sen;
86 uint32 n_feat;
87 uint32 n_cw;
88 uint32 n_gauden;
89 float32 mixwfloor;
90 uint32 *mgau;
91 int32 *featscr;
92 int32 aw;
93} senone_t;
94
95
103 char const *mixwfile,
104 char const *mgau_mapfile,
107 float32 mixwfloor,
108 logmath_t *lmath,
109 bin_mdef_t *mdef
110 );
111
113void senone_free(senone_t *s);
119int32 senone_eval (senone_t *s, int id,
120 gauden_dist_t **dist,
124 int n_top
125 );
126
127#ifdef __cplusplus
128}
129#endif
130
131#endif
Binary format model definition files, with support for heterogeneous topologies and variable-size N-p...
(Sphinx 3.0 specific) Gaussian density module.
int32 senone_eval(senone_t *s, int id, gauden_dist_t **dist, int n_top)
Evaluate the score for the given senone wrt to the given top N gaussian codewords.
void senone_free(senone_t *s)
Release memory allocated by senone_init.
Definition ms_senone.c:341
senone_t * senone_init(gauden_t *g, char const *mixwfile, char const *mgau_mapfile, float32 mixwfloor, logmath_t *lmath, bin_mdef_t *mdef)
Load a set of senones (mixing weights and mixture gaussian codebook mappings) from the given files.
Definition ms_senone.c:275
uint8 senprob_t
Senone logs3-probs, truncated to 8 bits.
Definition ms_senone.h:67
Structure to store distance (density) values for a given input observation wrt density values in some...
Definition ms_gauden.h:71
Multivariate gaussian mixture density parameters.
Definition ms_gauden.h:82
8-bit senone PDF structure.
Definition ms_senone.h:76
uint32 n_cw
Number codewords per codebook,stream.
Definition ms_senone.h:87
int32 * featscr
The feature score for every senone, will be initialized inside senone_eval_all.
Definition ms_senone.h:91
uint32 * mgau
senone-id -> mgau-id mapping for senones in this set
Definition ms_senone.h:90
uint32 n_feat
Number feature streams.
Definition ms_senone.h:86
uint32 n_gauden
Number gaussian density codebooks referred to by senones.
Definition ms_senone.h:88
uint32 n_sen
Number senones in this set.
Definition ms_senone.h:85
senprob_t *** pdf
gaussian density mixture weights, organized two possible ways depending on n_gauden: if (n_gauden > 1...
Definition ms_senone.h:77
logmath_t * lmath
log math computation
Definition ms_senone.h:84
int32 aw
Inverse acoustic weight.
Definition ms_senone.h:92
float32 mixwfloor
floor applied to each PDF entry
Definition ms_senone.h:89