On 2012-10-05, Paul Hodges wrote:
Blue Ripple Sound decoders are generally single-band at low order but
become quite frequency-dependent as the order is increased,
I was under the impression that frequency-dependant decoding was more
important the lower the order - or am I misunderstanding something?
You are perfectly correct, there. It's just that the optimum decoder
optimization problem becomes evermore illposed at the higher orders when
the rig is anything other than fully regular, even if its basic
potential is clearly better than at lower orders.
Or is it? There is some empirical evidence which suggests that few
speakers, akin to the early ambisonic work, and then full diffraction
limited arrays at least upto speech frequencies, as in WFS work,
function the best. While anything in between could lead to harmful
multiple arrivals off centre, combing artifacts, "Giant Geese", and the
like.
--
Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front
+358-50-5756111, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2
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