1.Convert media files(rm;rmvb;ra; ram; ac3; aif; aifc; aiff; amr; au; flac; fla; m4a; mp2; mp3; ogg; wav; wma; wax; wmx;rv; 3g2; 3gp; avi; mpg; mpeg; mpa; m4v; mp4; mov; wvx; wm; asf; asx; wmv; wvx; wmx; flv; swf) to audio formats(aac; aiff; amr; au; flac; m4a; mp3; ogg; wav; wma) or video formats(3gp2; 3gp; avi; m4v; mp4; mpg; mov; flv). 2.Extract the audio from video file and save them to popular audio format. 3.Convert all favorite movies and music into your portable device, then you can play the movies and music on the portable device such as iPod, PSP, Cell phone, Xbox, PDA, Pocket PC. 4. Cool Audio Video Converter has an extremely faster conversion speed than others! Inconceivable fast performance beyond your imagination. 5.Cool Audio Video Converter can provide different settings for different audio and video formats - users can easily get output files as they want. No matter what audio file you want,this software can do it for you! It can shut down your computer after the conversion had done automatically. 6.Cool Audio Video Converter Support batch conversion.