00001 /* 00002 * iLBC - a library for the iLBC codec 00003 * 00004 * enhancer.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: enhancer.h,v 1.2 2008/03/06 12:27:38 steveu Exp $ 00018 */ 00019 00020 #ifndef __ENHANCER_H 00021 #define __ENHANCER_H 00022 00023 float xCorrCoef(float *target, /* (i) first array */ 00024 float *regressor, /* (i) second array */ 00025 int subl); /* (i) dimension arrays */ 00026 00027 int enhancerInterface(float *out, /* (o) the enhanced recidual signal */ 00028 float *in, /* (i) the recidual signal to enhance */ 00029 ilbc_decode_state_t *iLBCdec_inst); /* (i/o) the decoder state structure */ 00030 00031 #endif