RioDVD is a full featured and easy to use DVD player integrating all functions of a standard DVD player. It can play DVD, VCD, SVCD Movies, with many most advanced features, such as S/PDIF output ,Multi-Speakers, Digital Zoom, Video Desktop etc.Just click play button and experience the surprises a RioDVD will bring you. Features : Keep Aspect Ratio, Pan&Scan ,Digital Zoom ,Bookmarks for DVD/VCD/SVCD ,RioDVD automatically remembers the last viewed location of a DVD/VCD/SVCD ,Play DVD Content from a Hard Drive, Hardware decode acceleration, Video Desktop,Hi-Fi audio,Dolby Pro Logic II,MPEG-2 audio and LPCM,Multi channels