g729ev_tdbwe_extract_frequency_envelope.h

来自「最新的ITU-T的宽带语音编解码标准G.729.1,是对原先的G.729的最好的」· C头文件 代码 · 共 29 行

/* ITU-T G.729EV Optimization/Characterization Candidate                         */
/* Version:       1.0.a                                                          */
/* Revision Date: June 28, 2006                                                  */

/*
   ITU-T G.729EV Optimization/Characterization Candidate    ANSI-C Source Code
   Copyright (c) 2006 
   France Telecom, Matsushita Electric, Mindspeed, Siemens AG, ETRI, VoiceAge Corp.
   All rights reserved
*/

#ifndef __G729EV_TDBWE_EXTRACT_FREQUENCY_ENVELOPE_H__
#define __G729EV_TDBWE_EXTRACT_FREQUENCY_ENVELOPE_H__

#include "stl.h"
#include "G729EV_MAIN_defines.h"

/* prototype for exported function */

void      G729EV_TDBWE_extract_frequency_envelope(Word16 * input, Word16 nls, Word16 * envelope);

/* tables */

extern const Word16 G729EV_TDBWE_center_bins[G729EV_TDBWE_NB_SUBBANDS];
extern const Word16 G729EV_TDBWE_subband_window[G729EV_TDBWE_BINS_PER_SUBBAND];
extern const Word16 G729EV_TDBWE_frequency_envelope_window[G729EV_TDBWE_FREQUENCY_ENVELOPE_WINDOW_SIZE];

#endif