libilbc  0.0.1
enhancer.h
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