PocketSphinx 5prealpha
ps_alignment.h
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37
42#ifndef __PS_ALIGNMENT_H__
43#define __PS_ALIGNMENT_H__
44
45/* System headers. */
46
47/* SphinxBase headers. */
48#include <sphinxbase/prim_type.h>
49
50/* Local headers. */
51#include "dict2pid.h"
52#include "hmm.h"
53
54#define PS_ALIGNMENT_NONE ((uint16)0xffff)
55
57 union {
58 int32 wid;
59 struct {
60 uint16 ssid;
61 uint16 cipid;
62 uint16 tmatid;
63 } pid;
64 uint16 senid;
65 } id;
66 int16 start;
67 int16 duration;
68 int32 score;
69 uint16 parent;
70 uint16 child;
71};
73
76 uint16 n_ent, n_alloc;
77};
79
86typedef struct ps_alignment_s ps_alignment_t;
87
91 int pos;
92};
94
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109 int32 wid, int duration);
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190#endif /* __PS_ALIGNMENT_H__ */
Building triphones for a dictionary.
Implementation of HMM base structure.
ps_alignment_iter_t * ps_alignment_states(ps_alignment_t *al)
Iterate over the alignment starting at the first state.
ps_alignment_iter_t * ps_alignment_iter_next(ps_alignment_iter_t *itor)
Move an alignment iterator forward.
ps_alignment_iter_t * ps_alignment_iter_goto(ps_alignment_iter_t *itor, int pos)
Move alignment iterator to given index.
ps_alignment_iter_t * ps_alignment_words(ps_alignment_t *al)
Iterate over the alignment starting at the first word.
ps_alignment_t * ps_alignment_init(dict2pid_t *d2p)
Create a new, empty alignment.
ps_alignment_iter_t * ps_alignment_iter_prev(ps_alignment_iter_t *itor)
Move an alignment iterator back.
int ps_alignment_populate(ps_alignment_t *al)
Populate lower layers using available word information.
ps_alignment_entry_t * ps_alignment_iter_get(ps_alignment_iter_t *itor)
Get the alignment entry pointed to by an iterator.
ps_alignment_iter_t * ps_alignment_iter_up(ps_alignment_iter_t *itor)
Get a new iterator starting at the parent of the current node.
int ps_alignment_iter_free(ps_alignment_iter_t *itor)
Release an iterator before completing all iterations.
int ps_alignment_n_words(ps_alignment_t *al)
Number of words.
int ps_alignment_n_phones(ps_alignment_t *al)
Number of phones.
int ps_alignment_add_word(ps_alignment_t *al, int32 wid, int duration)
Append a word.
int ps_alignment_free(ps_alignment_t *al)
Release an alignment.
int ps_alignment_n_states(ps_alignment_t *al)
Number of states.
ps_alignment_iter_t * ps_alignment_phones(ps_alignment_t *al)
Iterate over the alignment starting at the first phone.
int ps_alignment_propagate(ps_alignment_t *al)
Propagate timing information up from state sequence.
int ps_alignment_populate_ci(ps_alignment_t *al)
Populate lower layers using context-independent phones.
ps_alignment_iter_t * ps_alignment_iter_down(ps_alignment_iter_t *itor)
Get a new iterator starting at the first child of the current node.
Building composite triphone (as well as word internal triphones) with the dictionary.
Definition dict2pid.h:84