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Diffstat (limited to 'media/pocketsphinx/src/phone_loop_search.h')
| -rw-r--r-- | media/pocketsphinx/src/phone_loop_search.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/media/pocketsphinx/src/phone_loop_search.h b/media/pocketsphinx/src/phone_loop_search.h deleted file mode 100644 index db776e9b1..000000000 --- a/media/pocketsphinx/src/phone_loop_search.h +++ /dev/null @@ -1,102 +0,0 @@ -/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ -/* ==================================================================== - * Copyright (c) 2008 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, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * 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. - * - * ==================================================================== - * - */ - -/** - * @file phone_loop_search.h Fast and rough context-independent - * phoneme loop search. - * - * This exists for the purposes of phoneme lookahead, and thus it - * actually does not do phoneme recognition (it wouldn't be very - * accurate anyway). - */ - -#ifndef __PHONE_LOOP_SEARCH_H__ -#define __PHONE_LOOP_SEARCH_H__ - -/* SphinxBase headers. */ -#include <sphinxbase/cmd_ln.h> -#include <sphinxbase/logmath.h> -#include <sphinxbase/ngram_model.h> -#include <sphinxbase/listelem_alloc.h> - -/* Local headers. */ -#include "pocketsphinx_internal.h" -#include "hmm.h" - -/** - * Renormalization event. - */ -struct phone_loop_renorm_s { - int frame_idx; /**< Frame of renormalization. */ - int32 norm; /**< Normalization constant. */ -}; -typedef struct phone_loop_renorm_s phone_loop_renorm_t; - -/** - * Phone loop search structure. - */ -struct phone_loop_search_s { - ps_search_t base; /**< Base search structure. */ - hmm_t *hmms; /**< Basic HMM structures for CI phones. */ - hmm_context_t *hmmctx; /**< HMM context structure. */ - int16 frame; /**< Current frame being searched. */ - int16 n_phones; /**< Size of phone array. */ - int32 **pen_buf; /**< Penalty buffer */ - int16 pen_buf_ptr; /**< Pointer for frame to fill in penalty buffer */ - int32 *penalties; /**< Penalties for CI phones in current frame */ - float64 penalty_weight; /**< Weighting factor for penalties */ - - int32 best_score; /**< Best Viterbi score in current frame. */ - int32 beam; /**< HMM pruning beam width. */ - int32 pbeam; /**< Phone exit pruning beam width. */ - int32 pip; /**< Phone insertion penalty ("language score"). */ - int window; /**< Window size for phoneme lookahead */ - glist_t renorm; /**< List of renormalizations. */ -}; -typedef struct phone_loop_search_s phone_loop_search_t; - -ps_search_t *phone_loop_search_init(cmd_ln_t *config, - acmod_t *acmod, - dict_t *dict); - -/** - * Return lookahead heuristic score for a specific phone. - */ -#define phone_loop_search_score(pls,ci) \ - ((pls == NULL) ? 0 : (pls->penalties[ci])) - -#endif /* __PHONE_LOOP_SEARCH_H__ */ |