With Filestar you get 0 different skills for working productively with Electronic Arts ASF Audio (.as4) files.
About .As4
Name
Electronic Arts ASF Audio
Extension
.as4
Format
Binary
Category
Audio
Developer
Electronic Arts
Description
Audio file in Electronic Arts' ASF music format (.asf/.as4), used by EA games of the 1990s; starts with an SCHl, SHEN or 1SNh header and holds ADPCM-compressed game audio and music.