85 lines
4.1 KiB
C
85 lines
4.1 KiB
C
/************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1996,1997 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* */
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/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
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/* Date: Mon Nov 3 1997 */
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/* -------------------------------------------------------------------- */
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/* Defines for HTK format. */
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/* */
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/*************************************************************************/
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#ifndef __HTK_H__
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#define __HTK_H__
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#define HTK_ENERGY 0x0040
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#define HTK_NO_E 0x0080
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#define HTK_DELTA 0x0100
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#define HTK_AC 0x0200
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#define HTK_COMP 0x0400
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#define HTK_ZM 0x0800
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#define HTK_CRC 0x1000
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#define HTK_0CEP 0x2000
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#define HTK_EST_PS 0x4000 // This is a local one and may become illegal
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#define HTK_MASK 0x003f
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#define HTK_WAVE 0x0000
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#define HTK_LPC 0x0001
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#define HTK_LPCREFC 0x0002
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#define HTK_LPCCEP 0x0003
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#define HTK_LPDELCEP 0x0004
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#define HTK_IREFC 0x0005
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#define HTK_MFCC 0x0006
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#define HTK_FBANK 0x0007
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#define HTK_MELSPEC 0x0008
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#define HTK_USER 0x0009
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#define HTK_DISCRETE 0x000A
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/* 100ns = 10 per us = 10 000 per ms = 10 000 000 per second*/
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#define HTK_UNITS_PER_SECOND 10000000
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struct htk_header
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{
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int num_samps;
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int samp_period; /* in 100ns units -design choice of the century*/
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/* I don't think this is right -- awb, is this an old HTK format ? */
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short samp_size; /* number of bytes per sample */
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short samp_type; /* code from 0 to 10 indicating sample kind */
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/* - see HTK reference manual, or #defs above */
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};
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#endif
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