www.pudn.com > g7231codec.rar > lpc.h


/* 
** 
** File:        "lpc.h" 
** 
** Description:     Function prototypes for "lpc.c" 
**   
*/ 
 
/* 
    ITU-T G.723 Speech Coder   ANSI-C Source Code     Version 4.1 
    copyright (c) 1995, AudioCodes, DSP Group, France Telecom, 
    Universite de Sherbrooke.  All rights reserved. 
*/ 
 
 
void    Comp_Lpc( short *UnqLpc, short *PrevDat, short *DataBuff ); 
short  Durbin( short *Lpc, short *Corr, short Err ); 
void    Wght_Lpc( short *PerLpc, short *UnqLpc ); 
void    Error_Wght( short *Dpnt, short *PerLpc ); 
void    Comp_Ir( short *ImpResp, short *QntLpc, short *PerLpc, PWDEF Pw ); 
void    Sub_Ring( short *Dpnt, short *QntLpc, short *PerLpc, short *PrevErr, PWDEF Pw ); 
void    Upd_Ring( short *Dpnt, short *QntLpc, short *PerLpc, short *PrevErr ); 
void    Synt( short *Dpnt, short *Lpc ); 
int  Spf( short *Tv, short *Lpc );