ah, after i posted the question about audeze i found this thread where Dave the madman Malham thoroughly answered it! just three years earlier than i wanted to know...
seva On Thu, Sep 10, 2015 at 5:34 AM Dave Malham <dave.mal...@york.ac.uk> wrote: > Well, mmmm, ahhhhh, this (and their website) all smacks a bit of Snake Oil > to me, though I could be completely wrong. As far as I can find, there are > no technical specifications anywhere (did I miss something?) which is > always a bit suspect when big claims are made. For all their eulogising > about Gerzon, did they actually read his paper on the soundfield mic from > the 1975 AES conference in London? The problems of large capsules/wide > spacings are clearly spelt out. There is no way such a large array can NOT > suffer from horrendous spatial aliasing down to quite low frequencies. Now, > for on-axis sounds there is no reason such microphones shouldn't be good, > even excellent, as was pointed out by Peter Baxandall in 1980 (Loudspeakers > as High-Quality Microphones) < > http://www.aes.org/e-lib/browse.cfm?elib=3776> > at the London AES convention. Off axis, on the other hand, the response > can't be anything but awful with, for a 100mm capsule, nulls starting at > mid frequencies. > > Tell you what, though, would make some wonderfully freaky images for > electro-acoustic pieces ;-) > > Dave > <http://www.aes.org/e-lib/browse.cfm?elib=3776> > > On 9 September 2015 at 19:40, Joseph Anderson < > j.ander...@ambisonictoolkit.net> wrote: > > > Hello All, > > > > Of interest to this thread, a video posted by Water Lily Acoustics: > > https://www.facebook.com/WaterLilyAcoustics/videos/869044249844736/ > > > > From the page: > > > > In this video one sees an Ambisonic (B format) array of four transducers: > > > an omni directional microphone, in conjunction with three, push/pull, > > > figure-of-eight, planar magnetic microphones, arranged in a > coincidental > > > manner. > > > The figure-of-eight, true push-pull, planar magnetic microphones - > > > employing 3 micron thick film (including the vacuum deposited audio > > traces) > > > and Neodymium magnets - are prototypes. Designed by Dragoslav Colich, > the > > > chief designer at Audeze and the man behind their extraordinary > > headphones! > > > A master of planar and electrostatic transducer technology, Mr. Colich > > has > > > been busy at work and here you see the fruits of his labor Tests made > > with > > > the array shown in the video below, has lead to the creation of a > > > "soundfield" type microphone, with four sub-cardioid, planar magnetic > > > drivers in a tetrahedral arrangement. All these outstanding > microphones, > > > mono (including first planar cardioid!), stereo and Tetrahedral, shall > be > > > soon seeing the light of day! > > > > > > My best, > > > > > > *Joseph Anderson* > > > > > > > > *http://www.ambisonictoolkit.net/ <http://www.ambisonictoolkit.net/>* > > > > > > On Wed, Sep 9, 2015 at 10:04 AM, len moskowitz < > lenmoskow...@optonline.net > > > > > wrote: > > > > > Ronald C.F. Antony wrote: > > > > > > > > > Looks great, although, the capsules look rather large on these images? > > >> > > > > > > > > > 100mm diameter (per their web page copy) > > > > > > ?so I wonder how that?s going to influence the sound or what sort of > > >> calibration they offer. Anyone got any experience with one of these? > > >> > > > > > > > > > IMO, they have some very serious technical challenges to surmount. > > > > > > > > > > > > > > > Len Moskowitz (mosko...@core-sound.com) > > > Core Sound LLC > > > www.core-sound.com > > > Home of TetraMic > > > > > > > > > > > > > > > _______________________________________________ > > > Sursound mailing list > > > Sursound@music.vt.edu > > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe > here, > > > edit account or options, view archives and so on. > > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: < > > > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150909/27799089/attachment.html > > > > > _______________________________________________ > > Sursound mailing list > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > > > > -- > > As of 1st October 2012, I have retired from the University. > > These are my own views and may or may not be shared by the University > > Dave Malham > Honorary Fellow, Department of Music > The University of York > York YO10 5DD > UK > > 'Ambisonics - Component Imaging for Audio' > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150910/c6ff9d59/attachment.html > > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > > -- best seva s...@soundcurrent.com www.soundcurrent.com -------------- next part -------------- An HTML attachment was scrubbed... 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