Re: Surround Sound Experiments?
The SQ and QS systems are described as ambisonics. You do need encoded material to
obtain the optimum effect although signals can be derived from a stereo source.
I built a 4 channel amp in 1977 and I used the basic matrix circuit (MC1312 IC) although
more elaborate logic switching circuits existed. The only SQ disc I had was "Dark Side of
the Moon" which did sound different to the standard stereo version.
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