Good Luck Umashankar a\nd Happy New Year !! On 3 January 2017 at 10:29, seva, soundcurrent mastering < s...@soundcurrent.com> wrote:
> umashankar, i send my best wishes for the New Year and for your microphone > building! > > seva > > On Tue, Jan 3, 2017 at 1:46 AM, umashankar manthravadi < > umasha...@hotmail.com> wrote: > > > Don't call it tetramic. It will upset len Moskowitz. > > I use a process developed by Angelo Farina's team, using Matlab scripts. > > Initially, I was given permission only to use it, but not share it, but a > > few months ago, Angelo said I can forward the scripts to Marc Lavallee, > who > > is modifying them to run on Octave. Octave is a free program, and these > > scripts will be released to public, so it should be possible for anyone > who > > builds a tetrahedral microphone to calibrate it and generate filtermatrix > > files. These files can be used with VVEncode (purchased) or X-volver > (free) > > to produce B format files. > > In the meantime, I am willing to create filtermatrix files for anyone who > > wants to do their own measurements. (Fons will also do it, but mostly he > > does it for Linux) > > You do not need an anechoic chamber. You need a space with the first > > reflection atleast 2.5 metres away. A room with a five meter high ceiling > > and dimensions of 7.5 meters by 5 meters will be adequate. You can use > > Angelo's inverse sine sweep. I will describe my process in detail if you > > wish, but I am very happy with the imaging I am getting with Brahma > > microphones. The tetrahedral structure printed by Shapeways is very > > accurate, and that helps too. > > > > Umashankar > > Don't use sennheiser's generic filters. Their capsules are also 14 mm, > but > > they are spaced much further apart (mine are almost at the theoretical > > minimum). At the AES, the Sennheiser booth was next to Brahma, and many > > people compared the imaging of the two. > > > > Umashankar > > > > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for > > Windows 10 > > > > From: Bo-Erik Sandholm<mailto:bosses...@gmail.com> > > Sent: Tuesday, January 3, 2017 11:29 AM > > To: sursound<mailto:sursound@music.vt.edu>; glard...@iol.ie<mailto: > glardne > > r...@iol.ie> > > Subject: Re: [Sursound] [allowed] brahma > > > > Good luck in your continued effekt. > > > > By the way, i have accuired one of your Tetra mic 3d shapeway for 14 mm > > capsules. > > I have not yet assembler it. > > I Wonder is there any software package and description on How to create > > calibration files for The mic? > > I will probably have The possibility to get temporary access to a > anechoic > > room. > > In worst case i Will use the generic calibration from sennheiser :-) > > > > The mechanical size of The tetraeder is about right. > > Bo-Erik > > > > > > > > Den 2 jan. 2017 9:01 em skrev "Gerard Lardner" <glard...@iol.ie>: > > > > > Sorry to hear of the falling-out. I have had some issues with the > > > build-quality of my Brahma, which was made by Embrace Video, but > > > nevertheless it remains my 'go-to' mic for choral recording. > > > > > > With best wishes for 2017, and for your ongoing Ambisonic microphone > > > projects, > > > > > > Gerard > > > > > > > > > On 02/01/2017 06:57, umashankar manthravadi wrote: > > > > > >> This is just an announcement that Nakul Sood and Embrace video will no > > >> longer be manufacturing or selling Brahma ambisonic microphones. Our > > very > > >> informal arrangement has come to an end as Nakul Sood demanded 1)I > hand > > >> over complete technology and manufacturing protocols, 2) sign a > > >> non-disclosure agreement and 3) sign a non-compete agreement. (there > > were > > >> other demands) I have always worked on Brahma as a shared project, > with > > >> help from many people and I have no desire to sign a non-disclosure > > >> agreement. > > >> > > >> I had made atleast 20 Brahma microphones before this project began, > and > > I > > >> will continue to make one off brahmas as demanded (I am currently > making > > >> five second order microphones for Angelo Farina) and I am setting up > > fairly > > >> high tech processes in Bangalore where I now live (laser cut > microphone > > >> bodies!) > > >> > > >> Umashankar > > >> > > >> > > > -------------- next part -------------- > > > An HTML attachment was scrubbed... > > > URL: <https://mail.music.vt.edu/mailman/private/sursound/attachme > > > nts/20170102/572ce57e/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. > > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > > attachments/20170103/f956a4dd/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. > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > > attachments/20170103/c84d0caa/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... > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > attachments/20170103/fe13616f/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. > -- Augustine Leudar Artistic Director Magik Door LTD Company Number : NI635217 Registered 63 Ballycoan rd, Belfast BT88LL -------------- next part -------------- An HTML attachment was scrubbed... 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