anchor.diff:  177;CELP68;2CC;A;;;SyCom Technologies;
   178;ADPCM;2CC;A;ADPCM;;Knowledge Adventure, Inc.;
   180;AAC;2CC;A;;;Fraunhofer IIS;
  -190;DTS;2CC;A;;;;
  -200;ADPCM;2CC;A;ADPCM;;Creative Labs ADPCM;
  +190;DTS;2CC;A;;;
  +200;ADPCM;2CC;A;ADPCM;;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
  
positive.code: 2005;Real Audio 3;2CC;A;;;RealAudio 3/4/5 Music (DNET)
  2006;AAC;2CC;A;AAC;;RealAudio 10 AAC (RAAC)
  2007;AAC+;2CC;A;AAC;;RealAudio 10 AAC+ (RACP)
  3313;AviSynth;2CC;A;;;makeAVIS (fake AVI sound from AviSynth scripts)
  4143;AAC;2CC;A;AAC;;Divio MPEG-4 AAC audio
  4201;Nokia;2CC;A;;;;
  4243;ADPCM;2CC;A;ADPCM;;G726;
  43AC;Lead Speech;2CC;A;;;;
  
negative.code: 7B;SC3;2CC;A;;;Voxware;
  80;Softsound;2CC;A;;;;
  81;TQ60;2CC;A;;;Voxware TQ60;http://www.voxware.com/
  82;MSRT24;2CC;A;;;Microsoft MSRT24;
  83;G729A;2CC;A;;;AT&T G729A;
  84;MVI_MVI2;2CC;A;;;Motion Pixels MVI_MVI2;
  85;ADPCM;2CC;A;ADPCM;;DataFusion Systems (Pty) G726;
  86;GSM6.10;2CC;A;;;DataFusion Systems (Pty) GSM6.10;
  88;ISI AUDIO;2CC;A;;;Iterated Systems AUDIO;
  89;Onlive;2CC;A;;;OnLive! Technologies;
  8A;SX20;2CC;A;;;Multitude;
  8B;ADPCM;2CC;A;ADPCM;;Infocom ITS A/S;
  8C;G.729;2CC;A;;;Convedia Corporation;
  91;SBC24;2CC;A;;;Siemens Business Communications Sys 24;
  92;AC3 SPDIF;2CC;A;;;Sonic Foundry AC3 SPDIF;
  93;G723;2CC;A;;;MediaSonic G723;
  94;Prosody 8KBPS;2CC;A;;;Aculab plc Prosody 8KBPS;
  97;ADPCM;2CC;A;ADPCM;;ZyXEL Communications ADPCM
  98;LPCBB;2CC;A;;;Philips Speech Processing LPCBB
  99;Packed;2CC;A;;;Studer Professional Audio AG Packed
  