PocketSphinx  0.6
src/libpocketsphinx/ms_gauden.h
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00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
00002 /* ====================================================================
00003  * Copyright (c) 1999-2004 Carnegie Mellon University.  All rights
00004  * reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer. 
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in
00015  *    the documentation and/or other materials provided with the
00016  *    distribution.
00017  *
00018  * This work was supported in part by funding from the Defense Advanced 
00019  * Research Projects Agency and the National Science Foundation of the 
00020  * United States of America, and the CMU Sphinx Speech Consortium.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
00023  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
00024  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00025  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
00026  * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00027  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
00028  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
00029  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
00030  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
00031  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
00032  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  *
00034  * ====================================================================
00035  *
00036  */
00037 
00038 #ifndef _LIBFBS_GAUDEN_H_
00039 #define _LIBFBS_GAUDEN_H_
00040 
00053 /* SphinxBase headers. */
00054 #include <sphinxbase/feat.h>
00055 #include <sphinxbase/logmath.h>
00056 #include <sphinxbase/cmd_ln.h>
00057 
00058 /* Local headers. */
00059 #include "vector.h"
00060 #include "pocketsphinx_internal.h"
00061 #include "hmm.h"
00062 
00063 #ifdef __cplusplus
00064 extern "C" {
00065 #endif
00066 #if 0
00067 } /* Fool Emacs into not indenting things. */
00068 #endif
00069 
00074 typedef struct {
00075     int32 id;           
00076     mfcc_t dist;                
00079 } gauden_dist_t;
00080 
00085 typedef struct {
00086     mfcc_t ****mean;    
00087     mfcc_t ****var;     
00088     mfcc_t ***det;      
00090     logmath_t *lmath;   
00091     int32 n_mgau;       
00092     int32 n_feat;       
00093     int32 n_density;    
00094     int32 *featlen;     
00095 } gauden_t;
00096 
00097 
00104 gauden_t *
00105 gauden_init (char const *meanfile,
00106              char const *varfile,
00107              float32 varfloor,  
00108              logmath_t *lmath
00109     );
00110 
00112 void gauden_free(gauden_t *g); 
00115 int32 gauden_mllr_transform(gauden_t *s, ps_mllr_t *mllr, cmd_ln_t *config);
00116 
00123 int32
00124 gauden_dist (gauden_t *g,       
00125              int mgau,          
00127              int n_top,         
00128              mfcc_t **obs,      
00129              gauden_dist_t **out_dist
00134     );
00135 
00139 void gauden_dump (const gauden_t *g  
00140     );
00141 
00145 void gauden_dump_ind (const gauden_t *g,  
00146                       int senidx          
00147     );
00148 
00149 #if 0
00150 { /* Stop indent from complaining */
00151 #endif
00152 #ifdef __cplusplus
00153 }
00154 #endif
00155 
00156 #endif /* GAUDEN_H */