Originally Posted by an51r
it would not be stereo sound the decoders are in your receiver, people have been using 5.1 with RCA's for a long time before optical and HDMI came out.
Nope, a pair of analog RCA outputs can only carry a 2 channel signal. The 5.1 setup you're thinking of is simply a simulated sound generated by filtering and spatial delays created by the receiver. However, this is not
a true 5.1 sound and isn't anything directly from the source. In order to receive a true 5.1 signal, you'll have to use a digital connection. For the latest high definition soundtracks (TrueHD,etc), you'll have to use HDMI.
Edit: To the posters above, feeding 5 channel analog out is using the output device to do the decoding and not the receiver. For example, you can get a 5.1 high definition signal out of a Blu Ray player by using 5 RCA connections, but you would not be able to use the receiver's DACs. You would be forced to use those inside the Blu Ray.Edited by sccr64472 - 6/11/10 at 1:56pm