Sothink DVD Ripper, as a professional and all-in-one DVD ripper software, supports Passthrough output, and provides users two Passthrough formats: MKV.Passthrough and MP4. Passthrough. Both of them are super high quality Passthrough video formats. This is a tutorial video describing how to rip DVD to Passthrough format with Sothink DVD Ripper. You can find more info from:http://www.sothinkmedia.com/dvd-ripper/rip-and-convert-dvd-to-passthrough-format.htm
