I've looked a lot at the Holophone. One big problem is that it employs very
noisy mikes, on the order of greater-than 20dbA internal noise, which is no=
t
good for a nature recordist.
Also, while the design looks really neat, there are some inherent problems
in placing the rear mikes on a "head" without any barrier between the rear
and the front mikes. This will result in phase problems between the fronts
and rears. Maybe the result sounds okay when played in 5.1, but the design
is not clearly a great one.
I've done some recent experimenting with 4-channel 360 degree surround that
produced encouraging results. Maybe I'll post some information about this
later in the week.
Lang
a new high end head product:
http://www.theiabm.org/dynamic/sub/display.article.cfm?recordID=3D5087
(apologies for cross post)
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