ps_alignment.h
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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 2010 Carnegie Mellon University. All rights
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* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
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#ifndef __PS_ALIGNMENT_H__
#define __PS_ALIGNMENT_H__
/* System headers. */
/* SphinxBase headers. */
#include <sphinxbase/prim_type.h>
/* Local headers. */
#include "dict2pid.h"
#include "hmm.h"
#define PS_ALIGNMENT_NONE ((uint16)0xffff)
struct ps_alignment_entry_s {
union {
int32 wid;
struct {
uint16 ssid;
uint16 cipid;
uint16 tmatid;
} pid;
uint16 senid;
} id;
int16 start;
int16 duration;
int32 score;
uint16 parent;
uint16 child;
};
typedef struct ps_alignment_entry_s ps_alignment_entry_t;
struct ps_alignment_vector_s {
ps_alignment_entry_t *seq;
uint16 n_ent, n_alloc;
};
typedef struct ps_alignment_vector_s ps_alignment_vector_t;
struct ps_alignment_s {
dict2pid_t *d2p;
ps_alignment_vector_t word;
ps_alignment_vector_t sseq;
ps_alignment_vector_t state;
};
typedef struct ps_alignment_s ps_alignment_t;
struct ps_alignment_iter_s {
ps_alignment_t *al;
ps_alignment_vector_t *vec;
int pos;
};
typedef struct ps_alignment_iter_s ps_alignment_iter_t;
ps_alignment_t *ps_alignment_init(dict2pid_t *d2p);
int ps_alignment_free(ps_alignment_t *al);
int ps_alignment_add_word(ps_alignment_t *al,
int32 wid, int duration);
int ps_alignment_populate(ps_alignment_t *al);
int ps_alignment_populate_ci(ps_alignment_t *al);
int ps_alignment_propagate(ps_alignment_t *al);
int ps_alignment_n_words(ps_alignment_t *al);
int ps_alignment_n_phones(ps_alignment_t *al);
int ps_alignment_n_states(ps_alignment_t *al);
ps_alignment_iter_t *ps_alignment_words(ps_alignment_t *al);
ps_alignment_iter_t *ps_alignment_phones(ps_alignment_t *al);
ps_alignment_iter_t *ps_alignment_states(ps_alignment_t *al);
ps_alignment_entry_t *ps_alignment_iter_get(ps_alignment_iter_t *itor);
ps_alignment_iter_t *ps_alignment_iter_goto(ps_alignment_iter_t *itor, int pos);
ps_alignment_iter_t *ps_alignment_iter_next(ps_alignment_iter_t *itor);
ps_alignment_iter_t *ps_alignment_iter_prev(ps_alignment_iter_t *itor);
ps_alignment_iter_t *ps_alignment_iter_up(ps_alignment_iter_t *itor);
ps_alignment_iter_t *ps_alignment_iter_down(ps_alignment_iter_t *itor);
int ps_alignment_iter_free(ps_alignment_iter_t *itor);
#endif /* __PS_ALIGNMENT_H__ */
dict2pid.h
Building triphones for a dictionary.
hmm.h
Implementation of HMM base structure.
ps_alignment_populate
int ps_alignment_populate(ps_alignment_t *al)
Populate lower layers using available word information.
Definition: ps_alignment.c:129
ps_alignment_phones
ps_alignment_iter_t * ps_alignment_phones(ps_alignment_t *al)
Iterate over the alignment starting at the first phone.
Definition: ps_alignment.c:383
ps_alignment_iter_down
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.
Definition: ps_alignment.c:481
ps_alignment_iter_prev
ps_alignment_iter_t * ps_alignment_iter_prev(ps_alignment_iter_t *itor)
Move an alignment iterator back.
Definition: ps_alignment.c:449
ps_alignment_iter_goto
ps_alignment_iter_t * ps_alignment_iter_goto(ps_alignment_iter_t *itor, int pos)
Move alignment iterator to given index.
Definition: ps_alignment.c:424
ps_alignment_iter_free
int ps_alignment_iter_free(ps_alignment_iter_t *itor)
Release an iterator before completing all iterations.
Definition: ps_alignment.c:417
ps_alignment_n_words
int ps_alignment_n_words(ps_alignment_t *al)
Number of words.
Definition: ps_alignment.c:351
ps_alignment_states
ps_alignment_iter_t * ps_alignment_states(ps_alignment_t *al)
Iterate over the alignment starting at the first state.
Definition: ps_alignment.c:397
ps_alignment_words
ps_alignment_iter_t * ps_alignment_words(ps_alignment_t *al)
Iterate over the alignment starting at the first word.
Definition: ps_alignment.c:369
ps_alignment_iter_get
ps_alignment_entry_t * ps_alignment_iter_get(ps_alignment_iter_t *itor)
Get the alignment entry pointed to by an iterator.
Definition: ps_alignment.c:411
ps_alignment_iter_next
ps_alignment_iter_t * ps_alignment_iter_next(ps_alignment_iter_t *itor)
Move an alignment iterator forward.
Definition: ps_alignment.c:437
ps_alignment_n_phones
int ps_alignment_n_phones(ps_alignment_t *al)
Number of phones.
Definition: ps_alignment.c:357
ps_alignment_add_word
int ps_alignment_add_word(ps_alignment_t *al, int32 wid, int duration)
Append a word.
Definition: ps_alignment.c:108
ps_alignment_free
int ps_alignment_free(ps_alignment_t *al)
Release an alignment.
Definition: ps_alignment.c:59
ps_alignment_init
ps_alignment_t * ps_alignment_init(dict2pid_t *d2p)
Create a new, empty alignment.
Definition: ps_alignment.c:51
ps_alignment_n_states
int ps_alignment_n_states(ps_alignment_t *al)
Number of states.
Definition: ps_alignment.c:363
ps_alignment_propagate
int ps_alignment_propagate(ps_alignment_t *al)
Propagate timing information up from state sequence.
Definition: ps_alignment.c:313
ps_alignment_populate_ci
int ps_alignment_populate_ci(ps_alignment_t *al)
Populate lower layers using context-independent phones.
Definition: ps_alignment.c:247
ps_alignment_iter_up
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.
Definition: ps_alignment.c:461
dict2pid_t
Building composite triphone (as well as word internal triphones) with the dictionary.
Definition: dict2pid.h:84
ps_alignment_entry_s
Definition: ps_alignment.h:56
ps_alignment_iter_s
Definition: ps_alignment.h:88
ps_alignment_s
Definition: ps_alignment.h:80
ps_alignment_vector_s
Definition: ps_alignment.h:74