Onkyo HT-L970 6.1-channel component DVD home theater system disc exchange (change 5 discs while the 6th keeps playing) selectable progressive-scan mode for smoother video with HD-compatible TVs (via the component video output) built-in Dolby Digital EX, DTS-ES, DTS 96/24, & Pro Logic IIx processing, for 6.1 surround sound from DVD, VHS, and stereo sources component video conversion 5.1-channel audio input for connecting an SACD or DVD-Audio player