A. Various choices of copy modes 1). Full Disc: Copy everything in the DVD disc 2). Main Movie: Copy the feature movie (usually the longest title) only 3). Customize: Copy any specific part you need 4). Clone/Burn: Make a lossless copy with the perfect 1:1 ratio 5). Merge: Combines several titles from several sources into one DVD, or seasons into few discs, with the original quality kept 6). Split: Split a large-size DVD-9 into two small-size DVD-5 B. Full control of the output content As the source DVD is imported in Sothink, the correct DVD structure, titles and embedded audio & subtitle stream is recognized and displayed for selecting. You can determine which titles, audio tracks and subtitles you need to keep in the result. C: DVD compression Sothink supports DVD compression, you can choose to copy DVD-9 to DVD-5, DVD-5 to DVD-9, DVD-9 to DVD-9 and DVD-5 to DVD-5. D. Advanced settings Sothink provides many advanced settings to make the output DVD more suitable for your need, you can choose to copy the DVD video, audio or non-DVD files, remove DTS or the playback menu to directly play the DVD. E. Fast processing Sothink supports batch processing, the source reading and analysis is just like an eye blink, and the copying process usually is completed in 10-20 minutes. However, the final processing time is totally determined by your PC hardware performance, the source size and the writing speed of your drive.