voice-gateway-service/pjproject/third_party/ilbc/enhancer.h

   /******************************************************************

       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