35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* iLBC - a library for the iLBC codec
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*
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* gainquant.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: gainquant.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
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*/
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#ifndef __iLBC_GAINQUANT_H
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#define __iLBC_GAINQUANT_H
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float gainquant( /* (o) quantized gain value */
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float in, /* (i) gain value */
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float maxIn, /* (i) maximum of gain value */
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int cblen, /* (i) number of quantization indices */
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int *index); /* (o) quantization index */
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float gaindequant( /* (o) quantized gain value */
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int index, /* (i) quantization index */
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float maxIn, /* (i) maximum of unquantized gain */
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int cblen); /* (i) number of quantization indices */
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#endif
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