Optical Digital Audio Cable Convert

I just bought a Sony STR-DG820 7.1 Audio Video Receiver. ?
I was wondering if I need to purchase any Digital Optical Cables or Digital Coaxial Cables to receive sound out of it. I’m hooking it up to a Polk Audio RM6750 5.1 Channel Home Theater Speaker System. I have the following components to hook up:
Cable Box (via HDMI wire)
DVD player (via HDMI wire)
Nintendo Wii (via Component Cable)
XBOX 360 (via Component Cable)
Original XBOX (via Component Cable)
So do I need to get the optical cables for all systems/components? Or does this upconvert the sound aspect of things. I know the 520 and 720 models, you need the cables, but the 920 doesn’t. I’m just not too sure if the 820 model needs the optical cables for sound or not. I’m pretty sure it converts it on it’s own, but any advice would be much appreciated.
Bang is absolutely wrong on this issue! Read your Owner’s Manual (page 23). The Sony STR-DG820 is completely capable of output to its speakers from digital audio signals (Digital Dolby, DTS, & Linear PCM) received on its HDMI inputs unlike the 520 & 720. You will NOT need digital audio fiber optic or coaxial cables in addition to HDMI cables from your HDMI sources. In this respect, the STR-DG820 is just like Sony’s STR-DG920 A/V receiver.
Please pick a best answer from the answers submitted here to your question. Thank you.
Additional Details: Your Component Video sources will require the use of component video cables from the STR-DG820 to your HDTV. This A/V receiver will NOT convert component video inputs to HDMI video output. Also, you will need a digital or analog audio cable(s) from these components to the STR-DG820 A/V receiver.
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Cables To Go Optical to Coaxial Digital Audio Converter $24.49 Cables To Go Optical to Coaxial Digital Audio Converter |









