Acker DVD to AVI converter is an easy-to-use and Powerful DVD to AVI Ripper software. It can convert almost all kinds of DVD to AVI and MP4 Video format with excellent quality and super fast ripping speed (>400%). It can also rip DVD to MP3 and WAV music format.. Compared with other DVD to AVI Converter, Acker DVD to AVI Converter supports single-step conversion and flexible title and chapter choices.