freeswitch/libs/ilbc/src/anaFilter.h

30 lines
965 B
C

/*
* iLBC - a library for the iLBC codec
*
* anaFilter.h - The iLBC low bit rate speech codec.
*
* Adapted by Steve Underwood <steveu@coppice.org> from the reference
* iLBC code supplied in RFC3951.
*
* Original code Copyright (C) The Internet Society (2004).
* All changes to produce this version Copyright (C) 2008 by Steve Underwood
* All Rights Reserved.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: anaFilter.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
*/
#ifndef __iLBC_ANAFILTER_H
#define __iLBC_ANAFILTER_H
void anaFilter(float *In, /* (i) Signal to be filtered */
float *a, /* (i) LP parameters */
int len, /* (i) Length of signal */
float *Out, /* (o) Filtered signal */
float *mem); /* (i/o) Filter state */
#endif