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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 <feat.h>
00055 #include <logmath.h>
00056 
00057 /* Local headers. */
00058 #include "vector.h"
00059 #include "hmm.h"
00060 
00061 #ifdef __cplusplus
00062 extern "C" {
00063 #endif
00064 #if 0
00065 } /* Fool Emacs into not indenting things. */
00066 #endif
00067 
00072 typedef struct {
00073     int32 id;           
00074     var_t dist;         
00077 } gauden_dist_t;
00078 
00083 typedef struct {
00084     mean_t ****mean;    
00085     var_t ****var;      
00086     var_t ***det;       
00088     logmath_t *lmath;   
00089     int32 n_mgau;       
00090     int32 n_feat;       
00091     int32 n_density;    
00092     int32 *featlen;     
00093 } gauden_t;
00094 
00095 
00102 gauden_t *
00103 gauden_init (char const *meanfile,
00104              char const *varfile,
00105              float32 varfloor,  
00106              logmath_t *lmath
00107     );
00108 
00110 void gauden_free(gauden_t *g); 
00118 int32
00119 gauden_dist (gauden_t *g,       
00120              int mgau,          
00122              int n_top,         
00123              mfcc_t **obs,      
00124              gauden_dist_t **out_dist
00129     );
00130 
00134 void gauden_dump (const gauden_t *g  
00135     );
00136 
00140 void gauden_dump_ind (const gauden_t *g,  
00141                       int senidx          
00142     );
00143 
00144 #if 0
00145 { /* Stop indent from complaining */
00146 #endif
00147 #ifdef __cplusplus
00148 }
00149 #endif
00150 
00151 #endif /* GAUDEN_H */ 

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