Powerful Functions Support ripping DVD video, extracting audio, grabbing screenshot and enable users to fully control output video quality or size by freely adjusting parameters. Advanced Technology Build in super speed encoding engine, support multi-core CPU, automatically detect and connect converted videos to portable devices and fully compatible with Windows 7. Easy and Fast Sog DVD to AVI ripper is an one-click solution for DVD ripping. It is suitable for all levels of experienced users or even novices. And we promise it owns the fastest ripping speed. Lifetime Automatically Free Upgrade We offer lifetime free upgrade for Sog DVD to avi Ripper registered users. Once a new version published, Sog DVD to AVI Ripper will be upgraded without any charge.