kbcore.h

来自「CMU大名鼎鼎的SPHINX－3大词汇量连续语音识别系统」· C头文件 代码 · 共 173 行

/* ====================================================================
 * Copyright (c) 1999-2004 Carnegie Mellon University.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
 * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ====================================================================
 *
 */
/*
 * kbcore.h -- Structures for maintain the main models.
 * 
 * **********************************************
 * CMU ARPA Speech Project
 *
 * Copyright (c) 1999 Carnegie Mellon University.
 * ALL RIGHTS RESERVED.
 * **********************************************
 * 
 * HISTORY
 * 
 * 11-Feb-2000	M K Ravishankar ([e-mail]) at Carnegie Mellon University
 * 		Removed svqpp stuff.  It doesn't work too well anyway.
 * 
 * 06-Dec-1999	M K Ravishankar ([e-mail]) at Carnegie Mellon University
 * 		Added kb_t.svqpp_t and related handling.
 * 
 * 30-Apr-1999	M K Ravishankar ([e-mail]) at Carnegie Mellon University
 * 		Created.
 */


#ifndef _S3_KBCORE_H_
#define _S3_KBCORE_H_

#include <s3types.h>
#include "feat.h"
#include "cont_mgau.h"
#include "mdef.h"
#include "dict.h"
#include "dict2pid.h"
#include "fillpen.h"
#include "lm.h"
#include "wid.h"
#include "tmat.h"
#include "subvq.h"
#include "gs.h"

#ifdef __cplusplus
extern "C" {
#endif

  /** \file kbcore.h
   * \brief kb core structures, the structure that stores parameters for s3.X search
   */

typedef struct {
  feat_t *fcb; /** feature end structure */
  mdef_t *mdef; /** Model definition  */
  dict_t *dict; /** Dictionary structure */
  dict2pid_t *dict2pid; /** Conversion of dictionary to Phoneme ID */
  lm_t *lm; /** LM */
  lmset_t *lmset; /** LM Set, if it is used, LM is not used */
  fillpen_t *fillpen; /** Filler penalty */
  s3lmwid_t *dict2lmwid; /** Dictionary ID to LM ID mapping */
  mgau_model_t *mgau; /** Model */
  subvq_t *svq; /** SVQ */
  gs_t *gs; /** Gaussian Selector */
  tmat_t *tmat; /** Transition Matrix. */
  int32 n_lm; /** number of language model */
  int32 n_alloclm; /* Number of allocated language model */

  int32 maxNewHeurScore; /* Temporary variables for phoneme lookahead. This stores the heuristic score */
  int32 lastfrm; /* Temporary variables, should be removed */

} kbcore_t;


  /**
 * Initialize one or more of all the major models:  pronunciation dictionary, acoustic models,
 * language models.  Several arguments are optional (e.g., pointers may be NULL); however, they
 * may not all be independently so.  The logbase argument is required (i.e. must be valid).
 * A number of consistency verifications are carried out.  It's recommended that a reasonable
 * default be provided for any real or integer argument, even if it's unused.
 * Return value: (obvious) pointer to structure encapsulating the individual data bases.
 * NOTE: If any model fails to initialize, the call fails with a FATAL ERROR.
 */
kbcore_t *kbcore_init (float64 logbase,		/** Must be specified */
		       char *feattype,          /** feature type*/
		       char *cmn,               /** Type of CMN */
		       char *varnorm,           /** Type of variance normalization */
		       char *agc,               /** Type of AGC */
		       char *mdeffile,          /** Model definition file */
		       char *dictfile,          /** Dictionary file */
		       char *fdictfile,         /** filler dictionary file */
		       char *compsep,		/** Must be valid if dictfile specified */
		       char *lmfile,            /** LM file */
		       char *lmctlfile,         /** LM control file, mutually exclusive with lmfile */
		       char *lmdumpdir,         /** Dump LM  */
		       char *fillpenfile,       /** Filler penality file,*/
		       char *senmgau,           /** NOT USED */
		       float64 silprob,		/** Silence probablity Must be valid if lmfile/fillpenfile is
						   specified */
		       float64 fillprob,	/** Filler penalty Must be valid if lmfile/fillpenfile is
						   specified */
		       float64 langwt,		/** Language model weight, Must be valid if lmfile/fillpenfile is
						   specified. */
		       float64 inspen,		/** Insertion penalty. Must be valid if lmfile/fillpenfile is
						   specified. */
		       float64 uw,		/** Unigram weight Must be valid if lmfile/fillpenfile is
						   specified. */
		       char *meanfile,		/** Means Acoustic model... */
		       char *varfile,		/** Variance file, must be specified if meanfile specified */
		       float64 varfloor,	/** Variance floowr, must be valid if varfile specified */
		       char *mixwfile,		/** Mixture weight file, must be specified if meanfile specified */
		       float64 mixwfloor,	/** Mixture weight floor, must be valid if mixwfile specified */
		       char *subvqfile,		/** Subvector quantized acoustic model
						   (quantized mean/var values), optional */
		       char *gsfile,		/** Gaussian Selection Mapping*/
		       char *tmatfile,          /** Transition matrix */
		       float64 tmatfloor);	/** Transition probability floors, must be valid if tmatfile specified */

  /** free the kbcore */
  void kbcore_free (kbcore_t *kbcore);


  /** Access macros; not meant for arbitrary use */
#define kbcore_fcb(k)		((k)->fcb)
#define kbcore_mdef(k)		((k)->mdef)
#define kbcore_dict(k)		((k)->dict)
#define kbcore_dict2pid(k)	((k)->dict2pid)
#define kbcore_lm(k)		((k)->lm)
#define kbcore_fillpen(k)	((k)->fillpen)
#define kbcore_dict2lmwid(k,w)	((k)->dict2lmwid[w])
#define kbcore_mgau(k)		((k)->mgau)
#define kbcore_svq(k)		((k)->svq)
#define kbcore_gs(k)		((k)->gs)
#define kbcore_tmat(k)		((k)->tmat)
#define kbcore_lmset(k)		((k)->lmset)
#define kbcore_nlm(k)		((k)->n_lm)

#ifdef __cplusplus
}
#endif

#endif