The ahx format is for the .ahx filetype, created with the '[l[http://battleofthebits.com/lyceum/View/AHX+Tracker/[ahx] tracker!! ;P AHX is a tool for the Commodore Amiga, used for creating synthesized 4-channel chiptunes which emulate the sound of the Commodore 64. Please note that ahx does not emulate an actual SID chip, it just attempts to sound like it. Recommended editors: -'[l[http://hivelytracker.co.uk/downl.php[Hively Tracker] (Win32, AmigaOS4, Haiku, MacOS X) (note: Panning effects, ring modulation, 5+ channels, and the triggering of two effect commands per note in the pattern editor are NOT supported by AHX format. Those are HVL exclusive features) Recommended players/converters: -'[l[http://dhost.info/pieknyman/html/plugins.html[xmplay plugin] (Windows) -'[l[http://www.petergordon.org.uk/files/replayer_linux.tgz[commandline replayer] (linux/SDL) -'[l[http://hivelytracker.co.uk/downl.php[commandline replayer v1.8](Windows, Amiga OS4, Mac OSX) -'[l[http://hivelytracker.co.uk/downl.php[HVL2WAV commandline converter](Windows, Amiga OS4) -[Droidsound] (chipmusic mediapayer for Android, also can export them as ringtones)