anchor.diff:  272;Atrac3;;;;;Sony
   273;SPC;;;;;Sony
   280;Telum;;;;;
  -281;TelumIA;;;;;
  +281;TelumIA;;;;;;
   285;ADPCM;;;ADPCM;;Norcom Voice Systems;
   300;FM_TOWNS_SND;2CC;A;;;Fujitsu FM_TOWNS_SND;
   350;Dev;;;;;Micronas Semiconductors, Inc.;
  
positive.code: 181C;RT24;2CC;A;;;VoxWare RT24 speech codec;
  181E;AX24000P;2CC;A;;;Lucent elemedia AX24000P Music codec;
  1971;SonicFoundry;;;;;Lossless;
  1C03;G.723;2CC;A;;;Lucent SX5363S G.723 compliant codec;
  1C07;SX8300P;2CC;A;;;Lucent SX8300P speech codec
  1C0C;SX5363S;;;G723;;Lucent SX5363S G.723 compliant codec
  1F03;DigiTalk;2CC;A;;;CUseeMe DigiTalk (ex-Rocwell)
  
negative.code: 190;DTS;;;;;;
  200;ADPCM;2CC;A;;;Creative Labs ADPCM;
  202;FastSpeech8;2CC;A;;;Creative Labs Fast Speech 8;
  203;FastSpeech10;2CC;A;;;Creative Labs Fast Speech 10
  210;ADPCM;2CC;A;ADPCM;;UHER informatic GmbH ADPCM
  215;;2CC;A;;;Ulead DV ACM
  216;;2CC;A;;;Ulead DV ACM
  