On 2014-04-09, Justin Bennett wrote:
I made a series of installations for seaside “shelters” where the listeners sat very close to the speakers. I used three speakers, attached to the amplifier as L, L+R, R so the mixing of the C channel was done “in the speaker” as it were. Then I took a stereo mix of the sound to be presented and reduced the centre channel amplitude using an MS matrix by (as far as I remember) about 6dB. [...]
It'd be interesting to hear what would have happened if you did an ambisonic mix and then went down to stereo using UHJ, Trifield kinda theory and the like. I mean, the extra phase shift it gives you typically helps more with the blending of the center speaker and just plain summation, giving a solider image.
(And yes, I do understand that Trified is 2-to-3, UHJ is B-to-2, and the Gerzon scalable HDTV paper doesn't really talk about the same thing. But the basic approach does scale even here.)
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