mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-03 20:38:59 +00:00
2c65582b66
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7221 65c4cc65-6c06-0410-ace0-fbb531ad65f3
75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
|
|
/******************************************************************
|
|
|
|
iLBC Speech Coder ANSI-C Source Code
|
|
|
|
constants.h
|
|
|
|
Copyright (C) The Internet Society (2004).
|
|
All Rights Reserved.
|
|
|
|
|
|
|
|
******************************************************************/
|
|
|
|
#ifndef __iLBC_CONSTANTS_H
|
|
#define __iLBC_CONSTANTS_H
|
|
|
|
#include "iLBC_define.h"
|
|
|
|
|
|
/* ULP bit allocation */
|
|
|
|
extern const iLBC_ULP_Inst_t ULP_20msTbl;
|
|
extern const iLBC_ULP_Inst_t ULP_30msTbl;
|
|
|
|
/* high pass filters */
|
|
|
|
extern float hpi_zero_coefsTbl[];
|
|
extern float hpi_pole_coefsTbl[];
|
|
extern float hpo_zero_coefsTbl[];
|
|
extern float hpo_pole_coefsTbl[];
|
|
|
|
/* low pass filters */
|
|
extern float lpFilt_coefsTbl[];
|
|
|
|
/* LPC analysis and quantization */
|
|
|
|
extern float lpc_winTbl[];
|
|
extern float lpc_asymwinTbl[];
|
|
extern float lpc_lagwinTbl[];
|
|
extern float lsfCbTbl[];
|
|
extern float lsfmeanTbl[];
|
|
extern int dim_lsfCbTbl[];
|
|
extern int size_lsfCbTbl[];
|
|
extern float lsf_weightTbl_30ms[];
|
|
extern float lsf_weightTbl_20ms[];
|
|
|
|
/* state quantization tables */
|
|
|
|
extern float state_sq3Tbl[];
|
|
extern float state_frgqTbl[];
|
|
|
|
/* gain quantization tables */
|
|
|
|
extern float gain_sq3Tbl[];
|
|
extern float gain_sq4Tbl[];
|
|
extern float gain_sq5Tbl[];
|
|
|
|
/* adaptive codebook definitions */
|
|
|
|
extern int search_rangeTbl[5][CB_NSTAGES];
|
|
extern int memLfTbl[];
|
|
extern int stMemLTbl;
|
|
extern float cbfiltersTbl[CB_FILTERLEN];
|
|
|
|
|
|
|
|
/* enhancer definitions */
|
|
|
|
extern float polyphaserTbl[];
|
|
extern float enh_plocsTbl[];
|
|
|
|
#endif
|
|
|