Panasonic DVD-RP56 Progressive-Scan DVD Player Plays DVD-video, Video CD, CD, CD-R, and CD-RW media Progressive-scan output (renders flicker-free, film-like image on HD and HD-ready TVs) Advanced Virtual Surround Sound (2-channel simulated surround) and Bass Plus audio enhancement features 5-speed smooth-motion scan (lets you cue forward or backward at varying speeds while maintaining clear images) Optical digital-audio output for optimum connection with your multi-channel digital surround receiver