   
   /******************************************************************
   
       iLBC Speech Coder ANSI-C Source Code
   
       enhancer.h
   
       Copyright (C) The Internet Society (2004). 
       All Rights Reserved.
   
   ******************************************************************/
   
   #ifndef __ENHANCER_H
   #define __ENHANCER_H
   
   #include "iLBC_define.h"
   
   float xCorrCoef( 
       float *target,      /* (i) first array */
       float *regressor,   /* (i) second array */
       int subl        /* (i) dimension arrays */
   );
   
   int enhancerInterface(
       float *out,         /* (o) the enhanced recidual signal */
       float *in,          /* (i) the recidual signal to enhance */
       iLBC_Dec_Inst_t *iLBCdec_inst 
                           /* (i/o) the decoder state structure */
   );
   
   #endif
   
   
