DESC: The Sony® STR-DG2100 7.1 A/V receiver was engineered to be the entertainment hub for your HD experience. This receiver provides an "Audio for Video" solution which integrates the latest technologies to optimize sound as well as picture quality. The STR-DG2100 utilizes Faroudja® DCDI Cinema™ Technology which up scales non-HD sources (VHS, DVD, etc?) to 1080p4.