PocketSphinx  0.6
phone_loop_search.h
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37 
47 #ifndef __PHONE_LOOP_SEARCH_H__
48 #define __PHONE_LOOP_SEARCH_H__
49 
50 /* SphinxBase headers. */
51 #include <sphinxbase/cmd_ln.h>
52 #include <sphinxbase/logmath.h>
53 #include <sphinxbase/ngram_model.h>
54 #include <sphinxbase/listelem_alloc.h>
55 
56 /* Local headers. */
57 #include "pocketsphinx_internal.h"
58 #include "hmm.h"
59 
63 struct phone_loop_s {
65  int16 ciphone;
66  int16 frame;
67 };
68 typedef struct phone_loop_s phone_loop_t;
69 
74  int frame_idx;
75  int32 norm;
76 };
78 
85  int16 frame;
86  int16 n_phones;
89  int32 best_score;
90  int32 beam;
91  int32 pbeam;
92  int32 pip;
93  glist_t renorm;
94 };
96 
97 ps_search_t *phone_loop_search_init(cmd_ln_t *config,
98  acmod_t *acmod,
99  dict_t *dict);
100 
104 #define phone_loop_search_score(pls,ci) \
105  ((pls == NULL) ? 0 \
106  : (hmm_bestscore(&pls->phones[ci].hmm) - (pls)->best_score))
107 
108 #endif /* __PHONE_LOOP_SEARCH_H__ */
Internal implementation of PocketSphinx decoder.
Phone loop structure.
int16 frame
Last frame this phone was active.
Base structure for search module.
ps_search_t base
Base search structure.
int32 pbeam
Phone exit pruning beam width.
int16 frame
Current frame being searched.
hmm_context_t * hmmctx
HMM context structure.
An individual HMM among the HMM search space.
Implementation of HMM base structure.
hmm_t hmm
Basic HMM structure.
int32 norm
Normalization constant.
int16 ciphone
Context-independent phone ID.
Shared information between a set of HMMs.
phone_loop_t * phones
Array of phone arcs.
a structure for a dictionary.
Definition: dict.h:79
int32 best_score
Best Viterbi score in current frame.
int32 beam
HMM pruning beam width.
int32 pip
Phone insertion penalty ("language score").
int frame_idx
Frame of renormalization.
Acoustic model structure.
Definition: acmod.h:148
int16 n_phones
Size of phone array.
Phone loop search structure.
glist_t renorm
List of renormalizations.
Renormalization event.