tab_ld8a.h

g729a 语音编码,再linux c 环境下实现,有非常的好的移植性,通话质量好

/*
   ITU-T G.729 Annex C - Reference C code for floating point
                         implementation of G.729 Annex A
                         Version 1.01 of 15.September.98
*/

/*
----------------------------------------------------------------------
                    COPYRIGHT NOTICE
----------------------------------------------------------------------
   ITU-T G.729 Annex C ANSI C source code
   Copyright (C) 1998, AT&T, France Telecom, NTT, University of
   Sherbrooke.  All rights reserved.

----------------------------------------------------------------------
*/

extern FLOAT hamwindow[L_WINDOW];
extern FLOAT lwindow[MP1];
extern FLOAT lspcb1[NC0][M];
extern FLOAT lspcb2[NC1][M];
extern FLOAT fg[2][MA_NP][M];
extern FLOAT fg_sum[2][M];
extern FLOAT fg_sum_inv[2][M];
extern FLOAT grid[GRID_POINTS+1];
extern FLOAT inter_3l[FIR_SIZE_SYN];
extern FLOAT pred[4];
extern FLOAT gbk1[NCODE1][2];
extern FLOAT gbk2[NCODE2][2];
extern int map1[NCODE1];
extern int map2[NCODE2];
extern FLOAT coef[2][2];
extern FLOAT thr1[NCODE1-NCAN1];
extern FLOAT thr2[NCODE2-NCAN2];
extern int imap1[NCODE1];
extern int imap2[NCODE2];
extern FLOAT b100[3];
extern FLOAT a100[3];
extern FLOAT b140[3];
extern FLOAT a140[3];
extern int  bitsno[PRM_SIZE];