freeswitch/libs/codec/ilbc/lsf.h

   
   /******************************************************************
   
       iLBC Speech Coder ANSI-C Source Code
   
       lsf.h             
   
       Copyright (C) The Internet Society (2004). 
       All Rights Reserved.
   
   
   
   ******************************************************************/
   
   #ifndef __iLBC_LSF_H
   #define __iLBC_LSF_H
   
   void a2lsf( 
       float *freq,/* (o) lsf coefficients */
       float *a    /* (i) lpc coefficients */
   );
   
   void lsf2a( 
       float *a_coef,  /* (o) lpc coefficients */
       float *freq     /* (i) lsf coefficients */
   );
   
   #endif