ISO files, or disc image files, contain all of the necessary video, audio and menu information that is stored on a DVD or video CD. To deal with ISO convert to MP3, you need a professional ISO converter. As the best Windows DVD ripper, WonderFox DVD Ripper Pro is capable of resolving problems like “How to convert ISO files to MP3 or how to extract audio from disc image files” with the fastest ripping speed. Here is a tutorial on how to convert ISO files to MP3 within 3 steps. Next, free downloadfree download ISO converter and follow my instruction to achieve conversion process.