100 lines
4.7 KiB
C
100 lines
4.7 KiB
C
/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* ====================================================================
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* Copyright (c) 1999-2001 Carnegie Mellon University. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* This work was supported in part by funding from the Defense Advanced
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* Research Projects Agency and the National Science Foundation of the
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* United States of America, and the CMU Sphinx Speech Consortium.
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*
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* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
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* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ====================================================================
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*
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*/
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/*
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* muLaw.h -- Table for converting mu-law data into 16-bit linear PCM format.
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*
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* **********************************************
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* CMU ARPA Speech Project
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*
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* Copyright (c) 1996 Carnegie Mellon University.
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* ALL RIGHTS RESERVED.
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* **********************************************
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*
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* HISTORY
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*
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* 21-Jul-97 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University
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* Created from Sunil Issar's version.
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*/
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/**
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* \file mulaw.h
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* \brief Table for converting mu-law data into 16-bit linear PCM format.
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*/
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#ifndef _MULAW_H_
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#define _MULAW_H_
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static int16 muLaw[256] = {
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-0x1f5f, -0x1e5f, -0x1d5f, -0x1c5f, -0x1b5f, -0x1a5f, -0x195f, -0x185f,
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-0x175f, -0x165f, -0x155f, -0x145f, -0x135f, -0x125f, -0x115f, -0x105f,
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-0x0f9f, -0x0f1f, -0x0e9f, -0x0e1f, -0x0d9f, -0x0d1f, -0x0c9f, -0x0c1f,
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-0x0b9f, -0x0b1f, -0x0a9f, -0x0a1f, -0x099f, -0x091f, -0x089f, -0x081f,
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-0x07bf, -0x077f, -0x073f, -0x06ff, -0x06bf, -0x067f, -0x063f, -0x05ff,
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-0x05bf, -0x057f, -0x053f, -0x04ff, -0x04bf, -0x047f, -0x043f, -0x03ff,
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-0x03cf, -0x03af, -0x038f, -0x036f, -0x034f, -0x032f, -0x030f, -0x02ef,
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-0x02cf, -0x02af, -0x028f, -0x026f, -0x024f, -0x022f, -0x020f, -0x01ef,
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-0x01d7, -0x01c7, -0x01b7, -0x01a7, -0x0197, -0x0187, -0x0177, -0x0167,
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-0x0157, -0x0147, -0x0137, -0x0127, -0x0117, -0x0107, -0x00f7, -0x00e7,
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-0x00db, -0x00d3, -0x00cb, -0x00c3, -0x00bb, -0x00b3, -0x00ab, -0x00a3,
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-0x009b, -0x0093, -0x008b, -0x0083, -0x007b, -0x0073, -0x006b, -0x0063,
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-0x005d, -0x0059, -0x0055, -0x0051, -0x004d, -0x0049, -0x0045, -0x0041,
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-0x003d, -0x0039, -0x0035, -0x0031, -0x002d, -0x0029, -0x0025, -0x0021,
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-0x001e, -0x001c, -0x001a, -0x0018, -0x0016, -0x0014, -0x0012, -0x0010,
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-0x000e, -0x000c, -0x000a, -0x0008, -0x0006, -0x0004, -0x0002, 0x0000,
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0x1f5f, 0x1e5f, 0x1d5f, 0x1c5f, 0x1b5f, 0x1a5f, 0x195f, 0x185f,
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0x175f, 0x165f, 0x155f, 0x145f, 0x135f, 0x125f, 0x115f, 0x105f,
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0x0f9f, 0x0f1f, 0x0e9f, 0x0e1f, 0x0d9f, 0x0d1f, 0x0c9f, 0x0c1f,
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0x0b9f, 0x0b1f, 0x0a9f, 0x0a1f, 0x099f, 0x091f, 0x089f, 0x081f,
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0x07bf, 0x077f, 0x073f, 0x06ff, 0x06bf, 0x067f, 0x063f, 0x05ff,
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0x05bf, 0x057f, 0x053f, 0x04ff, 0x04bf, 0x047f, 0x043f, 0x03ff,
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0x03cf, 0x03af, 0x038f, 0x036f, 0x034f, 0x032f, 0x030f, 0x02ef,
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0x02cf, 0x02af, 0x028f, 0x026f, 0x024f, 0x022f, 0x020f, 0x01ef,
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0x01d7, 0x01c7, 0x01b7, 0x01a7, 0x0197, 0x0187, 0x0177, 0x0167,
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0x0157, 0x0147, 0x0137, 0x0127, 0x0117, 0x0107, 0x00f7, 0x00e7,
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0x00db, 0x00d3, 0x00cb, 0x00c3, 0x00bb, 0x00b3, 0x00ab, 0x00a3,
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0x009b, 0x0093, 0x008b, 0x0083, 0x007b, 0x0073, 0x006b, 0x0063,
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0x005d, 0x0059, 0x0055, 0x0051, 0x004d, 0x0049, 0x0045, 0x0041,
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0x003d, 0x0039, 0x0035, 0x0031, 0x002d, 0x0029, 0x0025, 0x0021,
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0x001e, 0x001c, 0x001a, 0x0018, 0x0016, 0x0014, 0x0012, 0x0010,
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0x000e, 0x000c, 0x000a, 0x0008, 0x0006, 0x0004, 0x0002, 0x0000,
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};
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#endif
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