DESC: Combining superlative performance and extensive signal processing capabilities, the AVR-1910 is packed with deluxe features that include the latest high resolution audio decoders, including Dolby TrueHD and DTS-HD Master Audio. And, the AVR-1910 is one of the first to include Dolby Pro Logic IIz, which provides front height channel effects, for an incredibly expansive front soundstage. The video section features the latest Video Reference Series processor from Anchor Bay Technologies, providing analog-to-digital video deinterlacing and upconversion to HD, with both component and HDMI outputs, and features 1080p 24Hz/60Hz HDMI pass-through. With four HDMI inputs and dual component inputs, the AVR-1910 is fully prepared for present and future HD sources. Top audio fidelity is assured with Audyssey MultEQ room acoustic measurement and correction system, which analyzes the speakers and the listening room and automatically corrects the response for the smoothest, most natural tonal balance. Audyssey Dynamic Volume