50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* Project 25 IMBE Encoder/Decoder Fixed-Point implementation
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* Developed by Pavel Yazev E-mail: pyazev@gmail.com
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* Version 1.0 (c) Copyright 2009
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* The software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _SA_ENH
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#define _SA_ENH
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#define CNST_0_9898_Q1_15 0x7EB3
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#define CNST_0_5_Q2_14 0x2000
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#define CNST_1_2_Q2_14 0x4CCC
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//-----------------------------------------------------------------------------
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// PURPOSE:
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// Perform Spectral Amplitude Enhancement
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//
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//
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// INPUT:
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// IMBE_PARAM *imbe_param - pointer to IMBE_PARAM structure with
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// valid num_harms, sa and fund_freq items
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//
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// OUTPUT:
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// None
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//
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// RETURN:
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// Enhanced Spectral Amplitudes
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//
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//-----------------------------------------------------------------------------
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void sa_enh(IMBE_PARAM *imbe_param);
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#endif
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