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31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
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* by the Xiph.Org Foundation http://www.xiph.org/ *
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* *
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********************************************************************
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function: LPC low level routines
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last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
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********************************************************************/
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#ifndef _V_LPC_H_
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#define _V_LPC_H_
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/* simple linear scale LPC code */
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extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
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extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
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float *data,long n);
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struct DUMB_IT_SIGDATA;
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extern void dumb_it_add_lpc(struct DUMB_IT_SIGDATA *sigdata);
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#endif
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