if using a B-Format workflow - I use Reaper form this - how does one apply these IR files ? Is there a B-Format host plugin? I have a reverb bus, but currently only have the WigWare plugin, for which I am grateful, but rarely use due to the inappropriate roominess of the reverb for the location/Field recordings I am usually working with, so a plugin that allowed 4 channel I/O for B-Format and accepted the suggested IR files would be marvelous
--- Cheers Garth garth.pa...@asu.edu http://www.activatedspace.com On Dec 19, 2012, at 1:11 PM, Joseph Digerness wrote: > Here are three options that i know of: > > 1. If you have Apple's Impulse Response Utility > (http://documentation.apple.com/en/impulseresponseutility/usermanual/) which > is bundled with LogicPro, you can access the underlying .aif files that make > up the .SDIRproj files by right-clicking the file and choosing "Show Package > Contents" (or you can view the files directly on a PC...). The bformat IRs > included with the software have either "OBF" or "CBF" in their filenames. > > 2. The set that Eric mentioned: "Collection of room impulse responses > measured in the Great Hall, the Octagon, and a classroom at the Mile End > campus of Queen Mary, University of London in 2008. The measurements were > created using the sine sweep technique with a Genelec 8250A loudspeaker and > two microphones, an omnidirectional DPA 4006 and a B-format Soundfield > SPS422B": http://isophonics.net/content/room-impulse-response-data-set > > 3. Download site for a set of concert hall impulse responses measured in the > Promenadikeskus concert hall in Pori, Finland. The responses are provided > free for noncommercial purposes: > http://www.acoustics.hut.fi/projects/poririrs/ > > Additionally, it looks like IRs might be available at some point associated > with this project: > http://www.notam02.no/web/2011/01/impulse-responses/?lang=en > > > Cheers, > > > > Joseph Digerness > Consultant | Acoustics and Audiovisual > > Arup > 77 Water Street New York NY 10005 USA > t +1 212 896 3000 d +1 212 897 1574 > www.arup.com > > _________ > > > Eric Carmichel (eric at elcaudio.com) / Wed Dec 19 12:28:56 EST 2012: > > Hello Toni, > You're correct about Waves--no x, y, z files--just surround on their > Acoustics.net website and IR bundles (I have the Waves Mercury bundle). > www.openairorg.net is the only remaining Ambisonic IR library that I can > find. There has been updated info to the site since I first "discovered" it > months ago. > Although a second website now seems to have vanished, there was a site that > hosted the Ambisonic IRs for a classroom, Great Hall, and Octagon. They even > included detailed floor plans for the three spaces, showing the various mic > locations (00x00y to whatever in 1 meter increments). I had downloaded the > zip files while they existed; however, I hesitate to upload these to my own > site because the files may have been copyrighted (e.g., leaked Waves raw > files). If anybody else can shed light on the site, I don't mind hosting the > zip files. I believe each space had about 300 MB of wav files and info > available in zipped form. As with OpenAir, the IRs were 24 bit res, 96 kHz > sample rate. > I've been recording my own IRs, but so far it's hard to get noise out of > recordings. I believe any anomolies or noise in the IRs and/or the dry > recordings manifest themselves in audible and deleterious ways after > processing. Fons A. had pointed out that dc offsets, to include unnatural > waveforms resulting from the joining/splicing of files could create unwanted > artifacts, too. I always use zero-crossing fades when editing material for my > work, but it might also be an advantage to remove very low frequency > (infrasonic) content. > Kind regards, > Eric C. > > > > ________________________________ > > -----Original Message----- > From: Toni Mateos [mailto:toni.mat...@gmail.com] > Sent: December 19, 2012 04:15 > To: sursound@music.vt.edu > Subject: [Sursound] any library of B-format reverbs ? > > Hi all, > > Apologies if this has already been asked in this list, but: > > ** does anybody know of one (or more) library of reverbs in B-format? I'm > interested in all possibilities: either as separate downloadable IRs, or as > convolution plug-ins, etc. > > I'm not interested in the decoding of the B-format return to whatever > loudspeaker system; only in being able to play myself with the B-format > return. > > Thanks a lot! > Toni > > PS: I guess that Waves actually has one such library, but they only provide > the decoded 5.1 returns, thus not exposing the B-format intermediate feeds. > So this doesn't count. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20121219/100a0478/attachment.html> > > ____________________________________________________________ > Electronic mail messages entering and leaving Arup business > systems are scanned for acceptability of content and viruses > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound -------------- next part -------------- An HTML attachment was scrubbed... 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