Example Code: examples/SFExamples/oggvorbiscodec94/src/libvorbis/lib/modes/psych

00001 /********************************************************************
00002  *                                                                  *
00003  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
00004  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
00005  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
00006  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
00007  *                                                                  *
00008  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002             *
00009  * by the XIPHOPHORUS Company http://www.xiph.org/                  *
00010  *                                                                  *
00011  ********************************************************************
00012 
00013  function: 16kHz settings 
00014  last mod: $Id: psych_16.h 7187 2004-07-20 07:24:27Z xiphmont $
00015 
00016  ********************************************************************/
00017 
00018 /* stereo mode by base quality level */
00019 static adj_stereo _psy_stereo_modes_16[4]={
00020   /*  0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  */
00021   {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
00022    {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
00023    {  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  4,  4},
00024    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
00025   {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
00026    {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
00027    {  2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  4,  4,  4,  4,  4},
00028    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
00029   {{  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
00030    {  5,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
00031    {  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
00032    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
00033   {{  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0},
00034    {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0},
00035    {  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8},
00036    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
00037 };
00038 
00039 static double _psy_lowpass_16[4]={6.5,8,30.,99.};
00040 
00041 static att3 _psy_tone_masteratt_16[4]={
00042   {{ 30,  25,  12},  0,   0},  /* 0 */
00043   {{ 25,  22,  12},  0,   0},  /* 0 */
00044   {{ 20,  12,   0},  0,   0},  /* 0 */
00045   {{ 15,   0, -14},  0,   0}, /* 0 */
00046 };
00047 
00048 static vp_adjblock _vp_tonemask_adj_16[4]={
00049   /* adjust for mode zero */
00050   /* 63     125     250     500       1     2     4     8    16 */
00051   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 0 */
00052   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 1 */
00053   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
00054   {{-30,-30,-30,-30,-30,-26,-20,-10, -5, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
00055 };
00056 
00057 
00058 static noise3 _psy_noisebias_16_short[4]={
00059   /*  63     125     250     500      1k       2k      4k      8k     16k*/
00060   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4, 10, 10, 10, 10, 12, 12, 14, 20},
00061     {-15,-15,-15,-15,-15,-10,-10, -5,  0,  0,  4,  5,  5,  6,  8,  8, 15},
00062     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
00063 
00064   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4,  6,  6,  6,  6,  8, 10, 12, 20},
00065     {-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5,  4,  5,  6,  8,  8, 15},
00066     {-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
00067 
00068   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5,  5,  8, 12},
00069     {-20,-20,-20,-20,-16,-12,-20,-14,-10,-10, -8,  0,  0,  0,  0,  2,  5},
00070     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00071 
00072   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
00073     {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
00074     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00075 };
00076 
00077 static noise3 _psy_noisebias_16_impulse[4]={
00078   /*  63     125     250     500      1k       2k      4k      8k     16k*/
00079   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4, 10, 10, 10, 10, 12, 12, 14, 20},
00080     {-15,-15,-15,-15,-15,-10,-10, -5,  0,  0,  4,  5,  5,  6,  8,  8, 15},
00081     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
00082 
00083   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4,  4,  4,  4,  5,  5,  6,  8, 15},
00084     {-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5,  0,  0,  0,  0,  4, 10},
00085     {-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
00086 
00087   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  0,  0,  0,  0,  0,  0,  4, 10},
00088     {-20,-20,-20,-20,-16,-12,-20,-14,-10,-10,-10,-10,-10,-10,-10, -7, -5},
00089     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00090 
00091   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
00092     {-30,-30,-30,-30,-26,-22,-20,-18,-18,-18,-20,-20,-20,-20,-20,-20,-16},
00093     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00094 };
00095 
00096 static noise3 _psy_noisebias_16[4]={
00097   /*  63     125     250     500      1k       2k      4k      8k     16k*/
00098   {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  6,  8,  8, 10, 10, 10, 14, 20},
00099     {-10,-10,-10,-10,-10, -5, -2, -2,  0,  0,  0,  4,  5,  6,  8,  8, 15},
00100     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
00101 
00102   {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  6,  6,  6,  6,  8, 10, 12, 20},
00103     {-15,-15,-15,-15,-15,-10, -5, -5,  0,  0,  0,  4,  5,  6,  8,  8, 15},
00104     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
00105 
00106   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5,  5,  8, 12},
00107     {-20,-20,-20,-20,-16,-12,-20,-10, -5, -5,  0,  0,  0,  0,  0,  2,  5},
00108     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00109 
00110   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
00111     {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
00112     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
00113 };
00114 
00115 static double _noise_thresh_16[4]={ .3,.5,.5,.5 };
00116 
00117 static int _noise_start_16[3]={ 256,256,9999 };
00118 static int _noise_part_16[4]={ 8,8,8,8 };
00119 
00120 static int _psy_ath_floater_16[4]={
00121   -100,-100,-100,-105,
00122 };
00123 
00124 static int _psy_ath_abs_16[4]={
00125   -130,-130,-130,-140,
00126 };
00127 
00128 
00129
examples/SFExamples/oggvorbiscodec94/src/libvorbis/lib/modes/psych_16.h
