With Filestar you get 154 different skills for working productively with Audio Visual Research File .(avr) files.
About .Avr
Name
Audio Visual Research File
Extension
.avr
Format
Binary
Category
Video
Developer
Avid Technology
Description
Audio file format created by Audio Visual Research for the older Atari ST computer systems; can be 8 or 16-bit and contain 1 or 2 channels; not commonly used anymore.