libilbc  0.0.1
anaFilter.h
00001 /*
00002  * iLBC - a library for the iLBC codec
00003  *
00004  * anaFilter.h - The iLBC low bit rate speech codec.
00005  *
00006  * Adapted by Steve Underwood <steveu@coppice.org> from the reference
00007  * iLBC code supplied in RFC3951.
00008  *
00009  * Original code Copyright (C) The Internet Society (2004).
00010  * All changes to produce this version Copyright (C) 2008 by Steve Underwood
00011  * All Rights Reserved.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00016  *
00017  * $Id: anaFilter.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
00018  */
00019 
00020 #ifndef __iLBC_ANAFILTER_H
00021 #define __iLBC_ANAFILTER_H
00022 
00023 void anaFilter(float *In,   /* (i) Signal to be filtered */
00024                float *a,    /* (i) LP parameters */
00025                int len,     /* (i) Length of signal */
00026                float *Out,  /* (o) Filtered signal */
00027                float *mem); /* (i/o) Filter state */
00028 
00029 #endif