libvoipcodecs
0.0.1
lsf.h
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/*
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* iLBC - a library for the iLBC codec
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*
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* lsf.h - The iLBC low bit rate speech codec.
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*
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* Adapted by Steve Underwood <steveu@coppice.org> from the reference
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* iLBC code supplied in RFC3951.
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*
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* Original code Copyright (C) The Internet Society (2004).
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* All changes to produce this version Copyright (C) 2008 by Steve Underwood
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* All Rights Reserved.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: lsf.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
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*/
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#ifndef __iLBC_LSF_H
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#define __iLBC_LSF_H
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void
a2lsf(
float
*freq,
/* (o) lsf coefficients */
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float
*a);
/* (i) lpc coefficients */
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void
lsf2a(
float
*a_coef,
/* (o) lpc coefficients */
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float
*freq);
/* (i) lsf coefficients */
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#endif
src
lsf.h
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