https://cm-gitlab.stanford.edu/ambisonics/SpHEAR/
"3D models
The 3D models currently include the TinySpHEAR, a four capsule first
order Ambisonics microphone, the Octathingy, an eight capsule second
order design by Eric Benjamin and Aaron Heller and preliminary designs
for 12 and 20 capsule designs (the BigSpHEAR_12 and BigSpHEAR_20
models). The models will be expanded as testing proceeds."
So let's not forget to mention your colleague Aaron (Heller), too?
Best,
Stefan
P.S.: I would see the Octathingy as reduced "Platonic body" design.
This doesn't mean it could not be an invention. Even then the
spherical array microphone has been invented before. The invention
would be to design a microphone for order 1.x?
I am just speculating, because there has to be some specific feature
to be claimed.
-----------------------------------------
Citando Eric Benjamin <eb...@pacbell.net>:
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.
I made the microphone utilize only eight channels because I only
can record eight channels.
Eric Benjamin
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[1]
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
--
Jörn Nettingsmeier
Tuinbouwstraat 180, 1097 ZB Amsterdam, Nederland
Tel. +49 177 7937487
Meister für Veranstaltungstechnik (Bühne/Studio), Tonmeister VDT
http://stackingdwarves.net
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