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htk.h
/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
/* 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. */
/* */
/* THE UNIVERSITY OF EDINBURGH 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 THE UNIVERSITY OF EDINBURGH 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: Richard Caley (rjc@cstr.ed.ac.uk) */
/* Date: Mon Nov 3 1997 */
/* -------------------------------------------------------------------- */
/* Defines for HTK format. */
/* */
/*************************************************************************/
#ifndef __HTK_H__
#define __HTK_H__
#define HTK_ENERGY 0x0040
#define HTK_NO_E 0x0080
#define HTK_DELTA 0x0100
#define HTK_AC 0x0200
#define HTK_COMP 0x0400
#define HTK_ZM 0x0800
#define HTK_CRC 0x1000
#define HTK_0CEP 0x2000
#define HTK_EST_PS 0x4000 // This is a local one and may become illegal
#define HTK_MASK 0x003f
#define HTK_WAVE 0x0000
#define HTK_LPC 0x0001
#define HTK_LPCREFC 0x0002
#define HTK_LPCCEP 0x0003
#define HTK_LPDELCEP 0x0004
#define HTK_IREFC 0x0005
#define HTK_MFCC 0x0006
#define HTK_FBANK 0x0007
#define HTK_MELSPEC 0x0008
#define HTK_USER 0x0009
#define HTK_DISCRETE 0x000A
/* 100ns = 10 per us = 10 000 per ms = 10 000 000 per second*/
#define HTK_UNITS_PER_SECOND 10000000
struct htk_header
{
int num_samps;
int samp_period; /* in 100ns units -design choice of the century*/
/* I don't think this is right -- awb, is this an old HTK format ? */
short samp_size; /* number of bytes per sample */
short samp_type; /* code from 0 to 10 indicating sample kind */
/* - see HTK reference manual, or #defs above */
};
#endif
htk_header
Definition htk.h:74