anchor.diff:  120;CELP;;;;;Philips Speech Processing
   121;Grundig;;;;;Philips Speech Processing
   123;G723;2CC;A;;;Digital Equipment Corporation (DEC) G723
  -125;ADPCM;2CC;A;ADPCM;;Sanyo ADPCM
  +125;ADPCM;2CC;A;ADPCM;;Sanyo ADPCM;
   130;ACEPL;2CC;A;;;Sipro ACEPL.net;http://dividix.host.sk
   131;ACELP4800;2CC;A;;;Sipro ACELP4800;
   132;ACELP8V3;2CC;A;;;Sipro ACELP8V3;
  
positive.code: 272;Atrac3;;;;;Sony
  273;SPC;;;;;Sony
  280;Telum;;;;;
  281;TelumIA;;;;;
  285;ADPCM;;;ADPCM;;Norcom Voice Systems;
  300;FM_TOWNS_SND;2CC;A;;;Fujitsu FM_TOWNS_SND;
  350;Dev;;;;;Micronas Semiconductors, Inc.;
  
negative.code: A_REAL/SIPR;RealAudio 4;Mk;A;Real;;Real & Sipro Voice Codec;http://www.real.com
  A_REAL/RALF;RealAudio Lossless;Mk;A;Real;;Real Audio Lossless Format;http://www.real.com
  A_REAL/ATRC;RealAudio Atrac3;Mk;A;Real;;Real & Sony Atrac3 Codec;http://www.real.com
  A_AAC;AAC;Mk;A;AAC;;;
  A_AAC/MPEG2/MAIN;AAC Main;Mk;A;AAC;;AAC Main Profile;
  A_AAC/MPEG2/LC;AAC LC;Mk;A;AAC;;AAC Low Complexity;
  A_AAC/MPEG2/LC/SBR;AAC LC-SBR;Mk;A;AAC;;AAC Low Complexity with Spectral Band Replication;
  