• psych_8.h
  • /********************************************************************
     *                                                                  *
     * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
     * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
     * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
     * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
     *                                                                  *
     * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
     * by the Xiph.Org Foundation https://xiph.org/                     *
     *                                                                  *
     ********************************************************************
    
     function: 8kHz psychoacoustic settings
    
     ********************************************************************/
    
    static const att3 _psy_tone_masteratt_8[3]={
      {{ 32,  25,  12},  0,   0},  /* 0 */
      {{ 30,  25,  12},  0,   0},  /* 0 */
      {{ 20,   0, -14},  0,   0}, /* 0 */
    };
    
    static const vp_adjblock _vp_tonemask_adj_8[3]={
      /* adjust for mode zero */
      /* 63     125     250     500     1     2     4     8    16 */
      {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
      {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
      {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0, 0, 0, 0,99,99,99}}, /* 1 */
    };
    
    
    static const noise3 _psy_noisebias_8[3]={
      /*  63     125     250     500      1k       2k      4k      8k     16k*/
      {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  8,  8,  8, 10, 10, 99, 99, 99},
        {-10,-10,-10,-10, -5, -5, -5,  0,  0,  4,  4,  4,  4,  4, 99, 99, 99},
        {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
    
      {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  8,  8,  8, 10, 10, 99, 99, 99},
        {-10,-10,-10,-10,-10,-10, -5, -5, -5,  0,  0,  0,  0,  0, 99, 99, 99},
        {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
    
      {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5, 99, 99, 99},
        {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10, 99, 99, 99},
        {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24, 99, 99, 99}}},
    };
    
    /* stereo mode by base quality level */
    static const adj_stereo _psy_stereo_modes_8[3]={
      /*  0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  */
      {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
       {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
       {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},
       { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
      {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
       {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
       {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},
       { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
      {{  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
       {  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
       {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},
       { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
    };
    
    static const noiseguard _psy_noiseguards_8[2]={
      {10,10,-1},
      {10,10,-1},
    };
    
    static const compandblock _psy_compand_8[2]={
      {{
         0, 1, 2, 3, 4, 5, 6,  7,     /* 7dB */
         8, 8, 9, 9,10,10,11, 11,     /* 15dB */
        12,12,13,13,14,14,15, 15,     /* 23dB */
        16,16,17,17,17,18,18, 19,     /* 31dB */
        19,19,20,21,22,23,24, 25,     /* 39dB */
      }},
      {{
         0, 1, 2, 3, 4, 5, 6,  6,     /* 7dB */
         7, 7, 6, 6, 5, 5, 4,  4,     /* 15dB */
         3, 3, 3, 4, 5, 6, 7,  8,     /* 23dB */
         9,10,11,12,13,14,15, 16,     /* 31dB */
        17,18,19,20,21,22,23, 24,     /* 39dB */
      }},
    };
    
    static const double _psy_lowpass_8[3]={3.,4.,4.};
    static const int _noise_start_8[2]={
      64,64,
    };
    static const int _noise_part_8[2]={
      8,8,
    };
    
    static const int _psy_ath_floater_8[3]={
      -100,-100,-105,
    };
    
    static const int _psy_ath_abs_8[3]={
      -130,-130,-140,
    };