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iEval git - fdkaac.git/blob - src/lpc.h
1 /********************************************************************
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. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
9 * by the Xiph.Org Foundation http://www.xiph.org/ *
11 ********************************************************************
13 function: LPC low level routines
14 last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
16 ********************************************************************/
21 /* simple linear scale LPC code */
22 extern float vorbis_lpc_from_data(short *data
,float *lpc
,int n
,int m
,int stride
);
24 extern void vorbis_lpc_predict(float *coeff
,short *prime
,int m
,
25 short *data
,long n
,int stride
);
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