Shigeaki Audio Extractor is program aimed to help users easily extract audio from mostly used media files, such as avi, wmv, mp4, rmvb, rm, 3gp, mov.
The audio output type is mp3. All you need to do is select the source file, indicate the output audio file path, and then just press the extract button.
Shigeaki support commonly used media file types:
Windows video file: *.avi, *.wmv;
Movie file: *.mpeg, *.mpg;
Real file: *.rm, *.rmvb;
QuickTime Movie file: *.mov;
MP4 Vedio file: *.3gp, *.mp4;
Flash Movie: *.flv.