The RX-V620 is a 5-channel receiver providing most interesting performance and processing On Hand for music and video sound. The 5 channels are: Left/Right Primary, Heart, Left/Right Rear Efects. The receiver promises Dolby Digital and DTS 5.1-channel codecs. Yamaha’s Digital Sound Field Processing, Cinema DSP, and Tri-Box Processing are all included as is Dolby Surround…