lsf.h

/*
 * iLBC - a library for the iLBC codec
 *
 * lsf.h - The iLBC low bit rate speech codec.
 *
 * Adapted by Steve Underwood <steveu@coppice.org> from the reference
 * iLBC code supplied in RFC3951.
 *
 * Original code Copyright (C) The Internet Society (2004).
 * All changes to produce this version Copyright (C) 2008 by Steve Underwood
 * All Rights Reserved.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */
 
#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