How Does Surround Sound work?

P4i6g / P4i65g
March 14, 2012 at 09:51:44
Specs: Android, AMD QL-65/3 Gb
I was looking on Craigslist for some small speakers for a project and I came across a complete Surround Sound system for $40. What the heck...might as well buy it.

3 of the inputs (TV/VCR, Tuner and AUX) are 2-channel - Right & Left RCA jacks.

The DVD input is an single Optical input which I hooked up to the Optical output from my DVD player.

When I am using the TV/VCR, Tuner or AUX inputs, I can switch the unit from Stereo to Surround and get sound from all 5 speakers. If I listen to just the rear speakers it definitely sounds different than the fronts, so I'm wondering how they change the 2 channel input to 5 channel output.

Granted, the Surround sound isn't as "fulfilling" (directional?) from the 2 channel inputs as it is from the DVD input, but it is certainly much better than in Stereo mode.

Is it just based on frequency? It doesn't seem to be, but I don't know how else they could do it...which is why I ask.


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March 17, 2012 at 02:54:56
Use google

A thank you would be nice, if I have helped.

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