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/**********************************************************************
 * ISO MPEG Audio Subgroup Software Simulation Group (1996)
 * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension
 *
 * $Id: psy.c,v 1.1 1996/02/14 04:04:23 rowlands Exp $
 *
 * $Log: psy.c,v $
 * Revision 1.1  1996/02/14 04:04:23  rowlands
 * Initial revision
 *
 * Received from Mike Coleman
 **********************************************************************/
/**********************************************************************
 *   date   programmers         comment                               *
 * 2/25/91  Davis Pan           start of version 1.0 records          *
 * 5/10/91  W. Joseph Carter    Ported to Macintosh and Unix.         *
 * 7/10/91  Earle Jennings      Ported to MsDos.                      *
 *                              replace of floats with FLOAT          *
 * 2/11/92  W. Joseph Carter    Fixed mem_alloc() arg for "absthr".   *
 * 7/24/92  M. Iwadare          HANN window coefficients modified.    *
 * 7/27/92  Masahiro Iwadare    Bug fix, FFT modification for Layer 3 *
 * 7/27/92  Masahiro Iwadare    Bug fix, "new", "old", and "oldest"   *
 *                              updates                               *
 * 8/07/92  Mike Coleman        Bug fix, read_absthr()                *
 * 95/3/21  Jon Rowlands        Removed extra debug statements        *
 **********************************************************************/