Acala DVD Ripper Professional is an intuitive to use program which rips your DVD movies to avi,mpeg, mp4, wmv, 3gp format video. The build-up enhanced encoder deep compress output min files with high speed and lossless movie quality. With Acala DVD Ripper Professional, you will be able to copy your favorite DVD movies to your hard disk.With Acala DVD Ripper Professional, don't worry about your media knowledge base, for it does all for you.