libsent/include/sent/hmm.h

説明を見る。

/*
 * Copyright (c) 1991-2006 Kawahara Lab., Kyoto University
 * Copyright (c) 2000-2005 Shikano Lab., Nara Institute of Science and Technology
 * Copyright (c) 2005-2006 Julius project team, Nagoya Institute of Technology
 * All rights reserved
 */

#ifndef __SENT_HMM_NEW2_H__
#define __SENT_HMM_NEW2_H__

#include <sent/stddefs.h>
#include <sent/htk_hmm.h>
#include <sent/htk_param.h>

typedef struct _a_cell {
  LOGPROB               a;      
  int                   arc;    
  struct _a_cell        *next;  
} A_CELL;

typedef struct {
  A_CELL                *ac;    

  union {
    HTK_HMM_State *state;       
    CD_State_Set  *cdset;       
  } out;
  boolean is_pseudo_state;      
} HMM_STATE;

typedef struct {
  int                   len;    
  HMM_STATE             *state; 
#ifndef MULTIPATH_VERSION
  LOGPROB               accept_ac_a; 
#endif
} HMM;


typedef struct _seg_token {
  int last_id;                  
  int last_end_frame;           
  LOGPROB last_end_score;       
  struct _seg_token *next;      
  struct _seg_token *list;      
} SEGTOKEN;


/* mkwhmm.c */
HMM *new_make_word_hmm(HTK_HMM_INFO *, HMM_Logical  **, int
#ifdef MULTIPATH_VERSION
                       , boolean *
#endif
                       );
HMM *new_make_word_hmm_with_lm(HTK_HMM_INFO *, HMM_Logical  **, int
#ifdef MULTIPATH_VERSION
                               , boolean *
#endif
                               , LOGPROB *);
void free_hmm(HMM *);
/* vsegment.c */
LOGPROB viterbi_segment(HMM *hmm, HTK_Param *param, int *endstates, int ulen, int **id_ret, int **seg_ret, LOGPROB **uscore_ret, int *retlen);

/* addlog.c */
void make_log_tbl();
LOGPROB addlog(LOGPROB x, LOGPROB y);
LOGPROB addlog_array(LOGPROB *x, int n);

/* outprob_init.c */
boolean
outprob_init(HTK_HMM_INFO *hmminfo,
             HTK_HMM_INFO *gshmm, int gms_num,
             int gprune_method, int gprune_mixnum
             );
boolean outprob_prepare(int framenum);
void outprob_free();
/* outprob.c */
boolean outprob_cache_init();
boolean outprob_cache_prepare();
void outprob_cache_free();
LOGPROB outprob_state(int t, HTK_HMM_State *stateinfo, HTK_Param *param);
void outprob_cd_nbest_init(int num);
void outprob_cd_nbest_free();
LOGPROB outprob_cd(int t, CD_State_Set *lset, HTK_Param *param);
LOGPROB outprob(int t, HMM_STATE *hmmstate, HTK_Param *param);
/* gms.c */
boolean gms_init(int nbest);
boolean gms_prepare(int framelen);
void gms_free();
LOGPROB gms_state();
/* gms_gprune.c */
void gms_gprune_init(HTK_HMM_INFO *hmminfo, int gsset_num);
void gms_gprune_prepare();
void gms_gprune_free();
void compute_gs_scores(GS_SET *gsset, int gsset_num, LOGPROB *scores_ret);

/* calc_mix.c */
LOGPROB calc_mix();
/* calc_tied_mix.c */
boolean calc_tied_mix_init();
boolean calc_tied_mix_prepare(int framenum);
void calc_tied_mix_free();
LOGPROB calc_tied_mix();

/* hmminfo/put_htkdata_info */
void put_hmm_arc(HMM *d);
void put_hmm_outprob(HMM *d);
void put_hmm(HMM *d);

#endif /* __SENT_HMM_NEW2_H__ */

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