/* * Project 25 IMBE Encoder/Decoder Fixed-Point implementation * Developed by Pavel Yazev E-mail: pyazev@gmail.com * Version 1.0 (c) Copyright 2009 * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * The software is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this; see the file COPYING. If not, write to the Free * Software Foundation, Inc., 51 Franklin Street, Boston, MA * 02110-1301, USA. */ #ifndef _SA_ENH #define _SA_ENH #define CNST_0_9898_Q1_15 0x7EB3 #define CNST_0_5_Q2_14 0x2000 #define CNST_1_2_Q2_14 0x4CCC //----------------------------------------------------------------------------- // PURPOSE: // Perform Spectral Amplitude Enhancement // // // INPUT: // IMBE_PARAM *imbe_param - pointer to IMBE_PARAM structure with // valid num_harms, sa and fund_freq items // // OUTPUT: // None // // RETURN: // Enhanced Spectral Amplitudes // //----------------------------------------------------------------------------- void sa_enh(IMBE_PARAM *imbe_param); #endif