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2022-10-20 20:29:11 +08:00
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3rdparty/flite_hts_engine/flite/include/cst_lts.h
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/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 1999 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: December 1999 */
/*************************************************************************/
/* */
/* Letter to sound rules */
/* */
/*************************************************************************/
#ifndef _CST_LTS_H__
#define _CST_LTS_H__
#include "cst_val.h"
typedef unsigned short cst_lts_addr;
typedef int cst_lts_phone;
typedef unsigned char cst_lts_feat;
typedef unsigned char cst_lts_letter;
typedef unsigned char cst_lts_model;
/* end of rule value */
#define CST_LTS_EOR 255
typedef struct cst_lts_rules_struct {
char *name;
const cst_lts_addr *letter_index; /* index into model first state */
const cst_lts_model *models;
const char * const * phone_table;
int context_window_size;
int context_extra_feats;
const char * const * letter_table;
} cst_lts_rules;
/* Note this is designed to be 6 bytes */
typedef struct cst_lts_rule_struct {
cst_lts_feat feat;
cst_lts_letter val;
cst_lts_addr qtrue;
cst_lts_addr qfalse;
} cst_lts_rule;
cst_lts_rules *new_lts_rules();
cst_val *lts_apply(const char *word,const char *feats,const cst_lts_rules *r);
cst_val *lts_apply_val(const cst_val *wlist,const char *feats,const cst_lts_rules *r);
#endif