www.pudn.com > p_voice.rar > LPC2.H

/* 
** 
** File:        "lpc2.h" 
** 
** Description:     Function prototypes for "lpc2.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. 
*/ 
 
void   Comp_Lpc(FLOAT *UnqLpc, FLOAT *PrevDat, FLOAT *DataBuff); 
FLOAT  Durbin(FLOAT *Lpc, FLOAT *Corr, FLOAT Err, FLOAT *Pk2); 
void   Wght_Lpc(FLOAT *PerLpc, FLOAT *UnqLpc); 
void   Error_Wght(FLOAT *Dpnt, FLOAT *PerLpc); 
void   Comp_Ir(FLOAT *ImpResp, FLOAT *QntLpc, FLOAT *PerLpc, PWDEF Pw); 
void   Sub_Ring(FLOAT *Dpnt, FLOAT *QntLpc, FLOAT *PerLpc, FLOAT *PrevErr, PWDEF Pw); 
void   Upd_Ring(FLOAT *Dpnt, FLOAT *QntLpc, FLOAT *PerLpc, FLOAT *PrevErr); 
void   Synt(FLOAT *Dpnt, FLOAT *Lpc); 
FLOAT  Spf(FLOAT *Tv, FLOAT *Lpc);