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37 lines
2.0 KiB
37 lines
2.0 KiB
/*
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computeWeightedSpeech.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 COMPUTEWEIGHTEDSPEECH
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#define COMPUTEWEIGHTEDSPEECH
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/*****************************************************************************/
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/* computeWeightedSpeech: compute wieghted speech according to spec A3.3.3 */
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/* parameters: */
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/* -(i) inputSignal : 90 values buffer accessed in range [-10, 79] in Q0*/
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/* -(i) qLPCoefficients: 20 coefficients(10 for each subframe) in Q12 */
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/* -(i) weightedqLPCoefficients: 20 coefficients(10 for each subframe) */
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/* in Q12 */
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/* -(i/o) weightedInputSignal: 90 values in Q0: [-10, -1] as input */
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/* [0,79] as output in Q0 */
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/* -(o) LPResidualSignal: 80 values of residual signal in Q0 */
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/* */
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/*****************************************************************************/
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void computeWeightedSpeech(word16_t inputSignal[], word16_t qLPCoefficients[], word16_t weightedqLPCoefficients[], word16_t weightedInputSignal[], word16_t LPResidualSignal[]);
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#endif /* ifndef COMPUTEWEIGHTEDSPEECH */
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