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       lpc.h (1211B)
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            1 /********************************************************************
            2  *                                                                  *
            3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
            4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
            5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
            6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
            7  *                                                                  *
            8  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002             *
            9  * by the XIPHOPHORUS Company http://www.xiph.org/                  *
           10  *                                                                  *
           11  ********************************************************************
           12 
           13   function: LPC low level routines
           14   last mod: $Id: lpc.h 1919 2005-07-24 14:18:04Z baford $
           15 
           16  ********************************************************************/
           17 
           18 #ifndef _V_LPC_H_
           19 #define _V_LPC_H_
           20 
           21 #include "vorbis/codec.h"
           22 
           23 /* simple linear scale LPC code */
           24 extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
           25 
           26 extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
           27                                float *data,long n);
           28 
           29 #endif