libaf/equalizer.h

   1 /*=============================================================================
   2 //
   3 //  This software has been released under the terms of the GNU General Public
   4 //  license. See http://www.gnu.org/copyleft/gpl.html for details.
   5 //
   6 //  Copyright 2002 Anders Johansson ajh@atri.curtin.edu.au
   7 //
   8 //=============================================================================
   9 */
  10
  11 /* Equalizer plugin header file defines struct used for setting or
  12    getting the gain of a specific channel and frequency */
  13
  14 typedef struct equalizer_s
  15 {
  16   float gain;           // Gain in dB  -15 - 15
  17   int   channel;        // Channel number 0 - 5
  18   int   band;           // Frequency band 0 - 9
  19 }equalizer_t;
  20
  21 /* The different frequency bands are:
  22 nr.     center frequency
  23 0       31.25 Hz
  24 1       62.50 Hz
  25 2       125.0 Hz
  26 3       250.0 Hz
  27 4       500.0 Hz
  28 5       1.000 kHz
  29 6       2.000 kHz
  30 7       4.000 kHz
  31 8       8.000 kHz
  32 9       16.00 kHz
  33 */