AoA Audio Extractor is a free tools for extracting background sound or audio from a video media. Forget all sophisticated tools that required skill, with AoA extracting a sound from a video is just as easy as a single click.
AoA audio Extractor support AVI, MPEG, MPG, FLC, DAT, WMV, and many other video formats, you can save the extracted audio in MP3, WAV, and AC3 formats.
It can also be used to save any portion of the audio of a video file and supports batch conversion.
And its totally free.

Features:
* Convert AVI, MPEG, MPG, DAT, WMV/ASF, MOV, MP4, 3GP to MP3
* Convert AVI, MPEG, MPG, DAT, WMV/ASF, MOV, MP4, 3GP to WAV
* Convert AVI, MPEG, MPG, DAT, WMV/ASF, MOV, MP4, 3GP to AC3
* Batch conversion support.
* Ability to save any portion of the audio of a video file.