/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* ==================================================================== * Copyright (c) 2004 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 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. * * ==================================================================== * */ /************************************************* * CMU CALO Speech Project * * Copyright (c) 2004 Carnegie Mellon University. * ALL RIGHTS RESERVED. * ********************************************** * * 11-Jul-2004 Ziad Al Bawab (ziada@cs.cmu.edu) at Carnegie Mellon University * Created * HISTORY * $Log$ * Revision 1.1 2006/04/05 20:27:30 dhdfu * A Great Reorganzation of header files and executables * * Revision 1.7 2006/02/23 04:05:21 arthchan2003 * Merged from branch SPHINX3_5_2_RCI_IRII_BRANCH: fixed dox-doc. * * * Revision 1.5.4.1 2005/07/05 06:46:23 arthchan2003 * 1, Merged from HEAD. 2, fixed dox-doc. * * Revision 1.6 2005/07/02 04:24:45 egouvea * Changed some hardwired constants to user defined parameters in the end pointer. Tested with make test-ep. * * Revision 1.5 2005/06/21 21:12:05 arthchan2003 * Added some bogus comments to endptr.h * * Revision 1.4 2005/06/21 21:07:28 arthchan2003 * Added keyword. * * Revision 1.2 2005/06/15 06:48:54 archan * Sphinx3 to s3.generic: 1, updated the endptr and classify 's code, 2, also added * */ #include "fe.h" #include "fe_internal.h" #include "classify.h" /** \file endptr.h \brief Wrapper of the end-pointer. */ #ifdef __cplusplus extern "C" { #endif #if 0 } /* Fool Emacs into not indenting things. */ #endif #ifndef __END_POINTER__ #define __END_POINTER__ /** * \struct endpointer_t * \brief Struct to hold the end-pointer parameters */ typedef struct{ int status; /**< current status of recording */ int leader; /**< pointer to the start of the utterance to be passed to decoder*/ int spbegin; /**< pointer to the start of speech */ int spend; /**< pointer to the end of speech */ int trailer; /**< pointer to the end of the utterance passed to the decoder */ int utt_counter; /**< to count the number of utterances in a meeting */ int PAD_F_BEFORE; /**< to pad this much of frames before spbegin */ int PAD_F_AFTER; /**< to pad this much of frames after spend */ int UTT_F_START; /**< to announce STAT_SPEECH after this much of speech frames */ int UTT_F_END; /**< to end an utterance after this much of non-speech frames */ int UTT_F_CANCEL; /**< to cancel an utterance after this much of non-speech frames */ } endpointer_t; /** Status of the recording */ #define STAT_OTHER 0 /**< non-speech period, noise, silence, or secondary speech */ #define STAT_BEGIN 1 /**< beginning of speech period, starts with first speech frame */ #define STAT_SPEECH 2 /**< inter-speech period, once */ #define STAT_END 3 /**< end of speech period */ #define STAT_CANCEL 4 /**< non-speech frames while an utterances is in STAT_BEGIN*/ /* End-Pointing parameters */ #define PAD_T_BEFORE "0.15" /**< to pad this much of seconds before spbegin*/ #define PAD_T_AFTER "0.2" /**< to pad this much of seconds after spend */ #define UTT_T_START "0.08" /**< to announce STAT_SPEECH after this much of speech seconds */ #define UTT_T_END "0.30" /**< to end an utterance after this much of non-speech seconds */ #define UTT_T_CANCEL "0.05" /**< to cancel an utterance after this much of non-speech seconds */ /*#define PAD_T_AFTER 0.15 // to pad this much of seconds after spend #define UTT_T_END 0.20 // to end an utterance after this much of non-speech seconds #define UTT_T_CANCEL 0.08 // to cancel an utterance after this much of non-speech seconds */ /** Initialize the end pointer */ endpointer_t * endpointer_initialize(fe_t *FE, /**< The front end structure */ float pad_t_before, /**< to pad this much of seconds before spbegin*/ float pad_t_after, /**< to pad this much of seconds after spend */ float utt_t_start, /**< to announce STAT_SPEECH after this much of speech seconds */ float utt_t_end, /**< to end an utterance after this much of non-speech seconds */ float utt_t_cancel /**< to cancel an utterance after this much of non-speech seconds */ ); /** Free the end pointer */ void endpointer_free(endpointer_t *ENDPTR /**< An end pointer structure */ ); void endpointer_update_stat (endpointer_t *ENDPTR, /**< An end pointer structure */ fe_t *FE, /**< A FE structure */ class_t *CLASSW, /**< A CLASSW structure */ int _class /**< The class*/ ); /** Convert frames 2 seconds for beginning frame.*/ float endptr_frame2secs_beg (fe_t *FE, /**