ref: 2fe3b28f86ed4aa291fb8a620b948abe9c6a1f84
dir: /sys/src/cmd/audio/libvorbis/lpc.h/
/******************************************************************** * * * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * * * * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * * by the Xiph.Org Foundation http://www.xiph.org/ * * * ******************************************************************** function: LPC low level routines last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $ ********************************************************************/ #ifndef _V_LPC_H_ #define _V_LPC_H_ #include "vorbis/codec.h" /* simple linear scale LPC code */ extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m); extern void vorbis_lpc_predict(float *coeff,float *prime,int m, float *data,long n); #endif