www.pudn.com > p_voice.rar > EXC2.H

/* 
** 
** File:        "exc2.h" 
** 
** Description:     Function prototypes for "exc2.c" 
** 
*/ 
 
/* 
    ITU-T G.723.1 Floating Point Speech Coder ANSI C Source Code.  Version 5.1F 
 
    Original fixed-point code copyright (c) 1995, 
    AudioCodes, DSP Group, France Telecom, Universite de Sherbrooke. 
    All rights reserved. 
 
    Floating-point code copyright (c) 1995, 
    Intel Corporation and France Telecom (CNET). 
    All rights reserved. 
*/ 
 
int   Estim_Pitch(FLOAT *Dpnt, int Start); 
PWDEF Comp_Pw(FLOAT *Dpnt, int Start, int Olp); 
void  Filt_Pw(FLOAT *DataBuff, FLOAT *Dpnt, int Start, PWDEF Pw); 
void  Find_Fcbk(FLOAT *Dpnt, FLOAT *ImpResp, LINEDEF *Line, int Sfc); 
void  Find_Best(BESTDEF *Best, FLOAT *Tv, FLOAT *ImpResp, int Np, int Olp); 
void  Fcbk_Pack(FLOAT *Dpnt, SFSDEF *Sfs, BESTDEF *Best, int Np); 
void  Fcbk_Unpk(FLOAT *Tv, SFSDEF Sfs, int Olp, int Sfc); 
int   ACELP_LBC_code(FLOAT *X, FLOAT *h, int T0, FLOAT *code, 
                     int *ind_gain, int *shift, int *sign, FLOAT gain_T0); 
void  Cor_h(FLOAT *H, FLOAT *rr); 
void  Cor_h_X(FLOAT h[],FLOAT X[],FLOAT D[]); 
int   D4i64_LBC(FLOAT Dn[], FLOAT rr[], FLOAT h[], FLOAT cod[], 
                FLOAT y[], int *code_shift, int *sign); 
int   G_code(FLOAT X[], FLOAT Y[], FLOAT *gain_q); 
void  Gen_Trn(FLOAT *Dst, FLOAT *Src, int Olp); 
 
void  Find_Acbk(FLOAT *Tv, FLOAT *ImpResp, FLOAT *PrevExc, LINEDEF 
                *Line, int Sfc); 
void  Get_Rez(FLOAT *Tv, FLOAT *PrevExc, int Lag); 
void  Decod_Acbk(FLOAT *Tv, FLOAT *PrevExc, int Olp, int Lid, int Gid); 
Word16 Comp_Info(FLOAT *Buff, int Olp, FLOAT *Gain); 
void  Regen(FLOAT *DataBuff, FLOAT *Buff, Word16 Lag, FLOAT Gain, 
            int Ecount, Word16 *Sd); 
PFDEF Comp_Lpf(FLOAT *Buff, int Olp, int Sfc); 
int   Find_B(FLOAT *Buff, int Olp, int Sfc); 
int   Find_F(FLOAT *Buff, int Olp, int Sfc); 
PFDEF Get_Ind(int Ind, FLOAT Ten, FLOAT Ccr, FLOAT Enr); 
void  Filt_Lpf(FLOAT *Tv, FLOAT *Buff, PFDEF Pf, int Sfc); 
int   search_T0(int T0, int Gid, FLOAT *gain_T0); 
void  reset_max_time(void); 
 
void Update_Err(int Olp, int AcLg, int AcGn); 
int  Test_Err(int Lag1, int Lag2);