On 03/27/2018 12:58 PM, Eric Benjamin wrote:
I’d like to point out that I am the inventor of the second order microphone
array called by Core-Sound the Octomic. I published the design six years ago at
the 133rd AES Convention in preprint 8728. I purposefully did not patent the
invention to allow entrepreneurs to use the design. But I would like a little
bit of credit! I realize that Core Sound put in significant effort in making
their product.
Yes! And the "Octathingy", which is part of the SpHEAR[*] project, is
also a physical realization of Eric's eight capsule design (thanks and
kudos!).
Two of them are already functional, the first one since 6/2017 (lowres
picture attached), and the current encoder (which is generated Faust
code) outputs WXYZSTUV.
I made the microphone utilize only eight channels because I only can record
eight channels.
That was the attraction of the design for me as well. I have been using
it with a Zoom F8.
Thanks again, Eric!
-- Fernando
[*] https://cm-gitlab.stanford.edu/ambisonics/SpHEAR/
From: Jörn Nettingsmeier
Sent: Tuesday, March 27, 2018 12:09 PM
To: sursound@music.vt.edu
Subject: Re: [Sursound] Core Sound Announces OctoMic - First
2nd-orderAmbisonics Microphone
On 03/27/2018 03:59 PM, Len Moskowitz wrote:
core-sound.com/OctoMic/1.php
Sweet! A resounding "me too" to Stefan's question about the matrix,
since you're one channel short :)
Looking at the geometry, I guess you sacrificed the second-order
rotationally symmetric component (FuMa R or ACN 08), which seems to be a
good choice to me.
What's that disclaimer about third-party PPAs? I mean, your PPA seems to
be an integral part of the mic, given that it produces unbalanced
signals. Is there any other magic going on there?
I wonder if you can get ZOOM to include an octomic firmware in the F8
eventually, as Sennheiser did with their Ambeo mic, that one's mighty
handy. (Not that I'm holding my breath, I wouldn't be surprised if there
were some exclusive deals at play...)
Can I assume that there is an updated version of TetraProc for the
followers of the penguin?
And looking at the shop, I don't see the Rycote lyre listed yet - is it
a generic one that can be had from them, or something custom-made and
not quite ready yet?
I'm trying to come up with a good business case to order one asap, and
since I'm good at fooling myself, it might just happen :-D
All best,
Jörn
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