voca_load_htkdict.c File Reference

Read word dictionary from a file in HTK format. More...

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

Include dependency graph for voca_load_htkdict.c:

Go to the source code of this file.

Defines
#define	PHONEMELEN_STEP   10
	Memory allocation step for phoneme sequence.
Functions
char *	cycle_triphone (char *p)
char *	cycle_triphone_flush ()
static void	add_to_error (WORD_INFO *winfo, char *name)
static void	callback_list_error (void *x)
static void	list_error (WORD_INFO *winfo)
static void	set_maxwn (WORD_INFO *winfo)
static void	set_maxwlen (WORD_INFO *winfo)
boolean	voca_load_htkdict (FILE *fp, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
boolean	voca_load_htkdict_fd (int fd, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
boolean	voca_load_htkdict_sd (int sd, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
boolean	voca_append_htkdict (char *entry, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
boolean	voca_load_htkdict_line (char *buf, int vnum, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean do_conv, boolean *ok_flag)
boolean	voca_mono2tri (WORD_INFO *winfo, HTK_HMM_INFO *hmminfo)
	Convert whole words in word dictionary to word-internal triphone.
void	voca_append (WORD_INFO *dstinfo, WORD_INFO *srcinfo, int coffset, int woffset)
Variables
static char	buf [MAXLINELEN]
	Local work area for input text processing.
static char	bufbak [MAXLINELEN]
	Local work area for debug message.
static char	trbuf [3][20]
	Local buffer for triphone convertion.
static char	chbuf [30]
	Another local buffer for triphone convertion.
static char	nophone [1]
	Local buffer to indicate 'no phone'.
static int	trp_l
	Triphone cycle index.
static int	trp
	Triphone cycle index.
static int	trp_r
	Triphone cycle index.

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Detailed Description

Read word dictionary from a file in HTK format.

Author:

Akinobu LEE

Date:

Fri Feb 18 19:43:06 2005

When using triphone model, conversion from monophone expression in dictionary to triphone and the existence check of word-internal triphone will be done here.

Revision

1.1.1.1

Definition in file voca_load_htkdict.c.

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Function Documentation

char* cycle_triphone (  char *  p  )

Return string of triphone name composed from last 3 call. Parameters: p  [in] next phone string Returns: the composed triphone name, or NULL on end. Definition at line 79 of file voca_load_htkdict.c. Referenced by cycle_triphone_flush(), new_str2phseq(), voca_load_htkdict_line(), and voca_mono2tri().

char* cycle_triphone_flush (   )

Flush the triphone buffer and return the last biphone. Returns: the composed last bi-phone name. Definition at line 125 of file voca_load_htkdict.c. Referenced by new_str2phseq(), voca_load_htkdict_line(), and voca_mono2tri().

static void add_to_error (  WORD_INFO *  winfo, char *  name )  [static]

Add a triphone name to the missing error list in WORD_INFO. Parameters: winfo  [i/o] word dictionary to add the error phone to error list name  [in] phone name to be added Definition at line 137 of file voca_load_htkdict.c.

static void callback_list_error (  void *  x  )  [static]

Traverse callback function to output a error phone. Parameters: x  [in] error phone string of the node Definition at line 160 of file voca_load_htkdict.c.

static void list_error (  WORD_INFO *  winfo  )  [static]

Output all error phones appeared while readin a word dictionary. Parameters: winfo  [in] word dictionary data Definition at line 172 of file voca_load_htkdict.c. Referenced by voca_append_htkdict(), voca_load_htkdict(), voca_load_htkdict_fd(), and voca_load_htkdict_sd().

static void set_maxwn (  WORD_INFO *  winfo  )  [static]

Parse a word dictionary and set the maximum state length per word. Parameters: winfo  [i/o] Definition at line 185 of file voca_load_htkdict.c. Referenced by voca_append(), voca_append_htkdict(), voca_load_htkdict(), voca_load_htkdict_fd(), and voca_load_htkdict_sd().

static void set_maxwlen (  WORD_INFO *  winfo  )  [static]

Parse the word dictionary to set the maximum word length. Parameters: winfo  [i/o] word dictionary data Definition at line 207 of file voca_load_htkdict.c. Referenced by voca_append(), voca_append_htkdict(), voca_load_htkdict(), voca_load_htkdict_fd(), and voca_load_htkdict_sd().

boolean voca_load_htkdict (  FILE *  fp, WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo, boolean  ignore_tri_conv )

Top function to read word dictionary via file pointer Parameters: fp  [in] file pointer winfo  [out] pointer to word dictionary to store the read data. hmminfo  [in] HTK HMM definition data. if NULL, phonemes are ignored. ignore_tri_conv  [in] TRUE if triphone conversion is ignored Returns: TRUE on success, FALSE on any error word. Definition at line 229 of file voca_load_htkdict.c. Referenced by init_voca().

boolean voca_load_htkdict_fd (  int  fd, WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo, boolean  ignore_tri_conv )

Top function to read word dictionary via file descriptor. Parameters: fd  [in] file descriptor winfo  [out] pointer to word dictionary to store the read data. hmminfo  [in] HTK HMM definition data. if NULL, phonemes are ignored. ignore_tri_conv  [in] TRUE if triphone conversion is ignored Returns: TRUE on success, FALSE on any error word. Definition at line 269 of file voca_load_htkdict.c.

boolean voca_load_htkdict_sd (  int  sd, WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo, boolean  ignore_tri_conv )

Top function to read word dictionary via socket descriptor. Parameters: sd  [in] socket descriptor winfo  [out] pointer to word dictionary to store the read data. hmminfo  [in] HTK HMM definition data. if NULL, phonemes are ignored. ignore_tri_conv  [in] TRUE if triphone conversion is ignored Returns: TRUE on success, FALSE on any error word. Definition at line 308 of file voca_load_htkdict.c.

boolean voca_append_htkdict (  char *  entry, WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo, boolean  ignore_tri_conv )

Append a single entry to the existing word dictionary. Parameters: entry  [in] dictionary entry string to be appended. winfo  [out] pointer to word dictionary to append the data. hmminfo  [in] HTK HMM definition data. if NULL, phonemes are ignored. ignore_tri_conv  [in] TRUE if triphone conversion is ignored Returns: TRUE on success, FALSE on any error word. Definition at line 347 of file voca_load_htkdict.c. Referenced by initialize_dict().

boolean voca_load_htkdict_line (  char *  buf, int  vnum, WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo, boolean  do_conv, boolean *  ok_flag )

Sub function to Add a dictionary entry line to the word dictionary. Parameters: buf  [i/o] buffer to hold the input string, will be modified in this function vnum  [in] current number of words in winfo winfo  [out] pointer to word dictionary to append the data. hmminfo  [in] HTK HMM definition data. if NULL, phonemes are ignored. do_conv  [in] TRUE if performing triphone conversion ok_flag  [out] will be set to FALSE if an error occured for this input. Returns: FALSE if buf == "DICEND", else TRUE will be returned. Definition at line 384 of file voca_load_htkdict.c. Referenced by voca_append_htkdict(), voca_load_htkdict(), voca_load_htkdict_fd(), and voca_load_htkdict_sd().

boolean voca_mono2tri (  WORD_INFO *  winfo, HTK_HMM_INFO *  hmminfo )

Convert whole words in word dictionary to word-internal triphone. Normally triphone conversion will be performed directly when reading dictionary file. This function is for post conversion only. Parameters: winfo  [i/o] word dictionary information hmminfo  [in] HTK HMM definition Returns: TRUE on success, FALSE on failure. Definition at line 599 of file voca_load_htkdict.c. Referenced by final_fusion().

void voca_append (  WORD_INFO *  dstinfo, WORD_INFO *  srcinfo, int  coffset, int  woffset )

Append one word dictionary to other, for multiple grammar handling. Assumes that the same HMM definition is used on both word dictionary. Parameters: dstinfo  [i/o] word dictionary srcinfo  [in] word dictionary to be appended to dst coffset  [in] category id offset in dst where the new data should be stored woffset  [in] word id offset in dst where the new data should be stored Definition at line 640 of file voca_load_htkdict.c. Referenced by multigram_build_append().

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