www.pudn.com > G.723.1_c.rar > LPC.H

/* 
** 
** File:        "lpc.h" 
** 
** Description:     Function prototypes for "lpc.c" 
**   
*/ 
 
/* 
    ITU-T G.723 Speech Coder   ANSI-C Source Code     Version 5.00 
    copyright (c) 1995, AudioCodes, DSP Group, France Telecom, 
    Universite de Sherbrooke.  All rights reserved. 
*/ 
 
 
void    Comp_Lpc( Word16 *UnqLpc, Word16 *PrevDat, Word16 *DataBuff ); 
Word16  Durbin( Word16 *Lpc, Word16 *Corr, Word16 Err, Word16 *Pk2 ); 
void    Wght_Lpc( Word16 *PerLpc, Word16 *UnqLpc ); 
void    Error_Wght( Word16 *Dpnt, Word16 *PerLpc ); 
void    Comp_Ir( Word16 *ImpResp, Word16 *QntLpc, Word16 *PerLpc, PWDEF Pw ); 
void    Sub_Ring( Word16 *Dpnt, Word16 *QntLpc, Word16 *PerLpc, Word16 *PrevErr, PWDEF Pw ); 
void    Upd_Ring( Word16 *Dpnt, Word16 *QntLpc, Word16 *PerLpc, Word16 *PrevErr ); 
void    Synt( Word16 *Dpnt, Word16 *Lpc ); 
Word32  Spf( Word16 *Tv, Word16 *Lpc );