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31 lines
1.4 KiB
31 lines
1.4 KiB
/*
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qLSP2LP.h
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Copyright (C) 2011 Belledonne Communications, Grenoble, France
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Author : Johan Pascal
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef QLSP2LP_H
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#define QLSP2LP_H
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/*****************************************************************************/
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/* qLSP2LP : convert qLSP into LP parameters according to spec. 3.2.6 */
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/* parameters: */
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/* -(i) qLSP : 10 LSP to be converted in Q0.15 range [-1, +1[ */
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/* -(o) LP : 10 LP coefficients in Q12 */
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/* */
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/*****************************************************************************/
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void qLSP2LP(word16_t qLSP[], word16_t LP[]);
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#endif /* ifndef QLSP2LP_H */
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