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git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/SphinxTrain@10835 94700074-3cef-4d97-a70e-9c8c206c02f5
163 lines
4.7 KiB
C
163 lines
4.7 KiB
C
/* ====================================================================
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* Copyright (c) 1994-2000 Carnegie Mellon University. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* This work was supported in part by funding from the Defense Advanced
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* Research Projects Agency and the National Science Foundation of the
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* United States of America, and the CMU Sphinx Speech Consortium.
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*
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* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
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* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ====================================================================
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*
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*/
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/*********************************************************************
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*
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* File: model_inventory.h
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*
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* Description:
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*
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* Author:
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* Eric H. Thayer (eht@cs.cmu.edu)
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*
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*********************************************************************/
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#ifndef MODEL_INVENTORY_H
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#define MODEL_INVENTORY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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}
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#endif
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#include <s3/acmod_set.h>
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#include <s3/gauden.h>
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#include <sphinxbase/prim_type.h>
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#include <s3/model_def.h>
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/* data structure definition */
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typedef struct model_inventory_s {
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model_def_t *mdef; /* acoustic model definitions */
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acmod_set_t *acmod_set; /* describes mapping of strings to id's and
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vice versa */
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float32 ***mixw; /* mixing weight array */
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float32 ***mixw_acc; /* mixing weight count accumulators */
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float32 ***l_mixw_acc; /* local (per utterance) mixing weight accumulators */
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uint32 n_mixw; /* number of mixing weights */
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uint32 n_feat; /* number of feature streams */
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uint32 n_density; /* number of densities per mixture */
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uint32 *mixw_inverse; /* converts a local (to the utternace)
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mixing weight ID to a global one */
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uint32 n_mixw_inverse; /* # of local mixing weight ID's
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[0..(n_mixw_inverse-1)]*/
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uint32 *cb_inverse; /* local->global map for codebook ID's */
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uint32 n_cb_inverse; /* # of local codebook ID's */
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float32 ***tmat; /* transition probability matrices */
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float32 ***tmat_acc; /* transition probability accumulators */
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float32 **l_tmat_acc; /* local (per utterance) transition probability matrix */
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uint32 n_tmat; /* number of transition matrices */
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uint32 n_state_pm; /* number of states per model */
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gauden_t *gauden; /* gaussian densities (see <s3/gauden.h>) */
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} model_inventory_t;
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/*
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* Public Interface
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*/
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/* Creation */
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model_inventory_t *
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mod_inv_new(void);
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/* Free the entire model inventory */
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void
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mod_inv_free(model_inventory_t *minv);
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/* Setting of simple parameters */
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void
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mod_inv_set_n_feat(model_inventory_t *minv,
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uint32 n_feat);
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void
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mod_inv_set_n_density(model_inventory_t *minv,
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uint32 n_density);
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/* Read routines */
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int32
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mod_inv_read_gauden(model_inventory_t *minv,
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const char *meanfn,
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const char *varfn,
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float32 varfloor,
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uint32 n_top,
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int32 var_is_full);
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int32
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mod_inv_read_tmat(model_inventory_t *minv,
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const char *fn,
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float32 floor);
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int32
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mod_inv_read_mixw(model_inventory_t *minv,
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const model_def_t *mdef,
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const char *fn,
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float32 floor);
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/* Allocation of reestimation accumulators */
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int32
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mod_inv_alloc_gauden_acc(model_inventory_t *minv);
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int32
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mod_inv_alloc_tmat_acc(model_inventory_t *minv);
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int32
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mod_inv_alloc_mixw_acc(model_inventory_t *minv);
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int
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mod_inv_restore_acc(model_inventory_t *minv,
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const char *accumdir,
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int mixw_reest,
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int mean_reest,
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int var_reest,
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int tmat_reest,
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const uint32 *veclen
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);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MODEL_INVENTORY_H */
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