constants.h

来自「PA1688网络电话机全部源程序」· C头文件 代码 · 共 75 行

    
   /****************************************************************** 
    
       iLBC Speech Coder ANSI-C Source Code 
    
       constants.h 
    
       Copyright (c) 2001, 
       Global IP Sound AB. 
       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