With Sothink DVD Ripper, you can not only rip DVD to any format or device, but also extra audio file from DVD for listening as Sothink DVD Ripper is both a DVD ripper and an DVD audio extractor. This is a tutorial video describing how to extract audio file from DVD with Sothink DVD Ripper. You can get more information from:http://www.sothinkmedia.com/dvd-ripper/extract-audio-file-from-dvd.htm
