Re: [Sursound] FLAC and max number of channels

Panos Kouvelis wrote: ... > I don't really know how this can be done :-( > > If you have any news please let me know. A FLAC stream can include a maximum of only 8 channels. A native FLAC file can contain only a single FLAC stream (and so is limited to 8 channels). An Ogg container can contain m

Re: [Sursound] So long CIPIC HRTF?

Fons Adriaensen A 'spiral', very different from any spin, was mentioned, > and Sampo seemed to think that recovery from that would > require regaining speed. The opposite is true, as in a > spiral your airspeed will increase [1]. Unless you recover, > there are two ways in which it can end: by sma

Re: [Sursound] Recording in a studio of a Jazz-Piano and singer

Thorsten Michels wrote: > In three weeks I have the opportunity to record a Jazz Duo with a > concert grand piano (Steinway) and a singer in a recording studio, with > controled acoustic. ... > The job is to record the duo in the classical way (Stereo) and now comes > the fun part: in Surround and

Re: [Sursound] Ambisonic UHJ Stereo decoder to speaker feeds

Sampo Syreeni wrote: ... > Nota bene, we've talked about this dependency on rig diameter on-list > before. Under the topic of Martin Leese's "Big Geese". Not mine; try: From: Peter Lennox Subject: [Sursound] Distance & Ambisonics Date: Tue Jul 10 16:25:27 EDT 2007 The Sursound Archive

Re: [Sursound] WavPack (was: Re: Ambix files)

On 5/23/21, Martin Leese wrote: > Extending FLAC to more than eight channels > has been discussed in the past.For > example, look in the sursound archives for this > long post by me: > Subject: Re: [Sursound] octofile release > Date: Mon Jul 30 22:30:42 EDT 20

Re: [Sursound] WavPack (was: Re: Ambix files)

Stefan Schreiber wrote: > It would be relatively easy to extend FLAC to more than 8 channels. > > (To cover ?exotic? audio formats such as 5.1.4, HOA, and a plentitude > of audio object standards.) Extending FLAC to more than eight channels has been discussed in the past.For example, look in

Re: [Sursound] Speakers for an immersive audio-video installation

MrUnmenge wrote: > Thanks a bunch to everyone for their answers! > > @J?rgen and Martin: I am confused, if I click the link to the attachment, i > only get plaintext (google chrome) and unfortunately i'm not in the aes? > i've send you, j?rgen, a PM for that. Hi Juergen, PDF attached. (I have

Re: [Sursound] Speakers for an immersive audio-video installation

J?rgen Peissig wrote: > Dear Max, > > just saw that the list crops attachments. > > You can find the the publication here: > https://www.aes.org/e-lib/browse.cfm?elib=19522 Not crop, but you have to click on the link and enter your e-mail address and sursound list password. You can then view the

[Sursound] [OT]Sonarworks SoundID

Hi All, This post is off-topic because it is about stereo, not surround. However, it includes HRTFs, so might be of interest. Sonarworks is releasing a new product, SoundID. SoundID adjusts frequency response in three different ways: 1, Calibration of speakers and headphones; they point o

Re: [Sursound] analog planner

Dave Malham wrote: ... > Anyway, here's a link to the final .pdf of the NRDC > Report 3 on panpots, in Michael Gerzon's own handwriting. > https://www.dropbox.com/s/div42x63thc66tl/nrdc_report_3.pdf?dl=0 Hi Dave, If that is Report No. 3, I can't help wondering what was in the other reports. In y

Re: [Sursound] Tetramic UK repair options?

John Leonard Main wrote: > Jamie, > > Just a note about the HMRC import charges rip-off: someone looks at the > declared insurance value of the microphone and charges VAT on that, plus a > handling charge. You have to spend time on the phone explaining that to the > drones who answer and then ask f

Re: [Sursound] practical HOA encoding

Len Moskowitz wrote: ... > I suspect that a big part of the problem was due to the lack of ambience > in the spot mics. The ambience is a really important cue for distant > sources. For one (old) implementation of this idea, see: M.A. Gerzon, "The Design of Distance Panpots", Preprint 3308 of the

Re: [Sursound] Speaker array advice

Tom Slater wrote: > Hello, > > I?m looking for some advice on speaker speaker set ups as we?re moving > studio so have the perfect opportunity to rethink our current array. > > At the moment we have 25 x Genelec 8030s and 2 x Genelec 7050 subs. If you want to reproduce Ambisonics then if you can a

Re: [Sursound] Multi-user head tracked binaural ambisonics query

Simon Connor wrote: ... > *First, is the video individual or projected? Is this HMD/GoogleCardboard > type situation? If the first, what are the audio/video sync latency > tolerances for the piece? * > > The video will be a single large scale projection rather than an individual > VR / Google cardb

Re: [Sursound] tetrahedral mic record

Eero Aro wrote: > umashankar wrote: >> I read this many years ago so cannot remember a source, but I think >> on-axis is not the best direction for a tetrahedral array. > Funny that you remember that discussion, it must have been more than a > decade ago in Sursound. > > I can't remember whoever

Re: [Sursound] Looking for mic advice

Drew Kirkland wrote: > Hi guys > > We have recently decided to record nature in ambisonic format with a > additional specific mono and stereo recordings added in at edit stage. > > I would be interested in current ambisonic mic choice, we don't have loads > of cash but want to get as transparent a

Re: [Sursound] octofile release

Aaron Heller wrote: > There's a IETF proposal from folks at Google for "Ambisonics in an Ogg Opus > Container", based on > > Nachbar, et al., Ambix - A Suggested Ambisonics Format. 3rd International > Symposium on Ambisonics and Spherical Acoustics, Lexington, KY (2011) > > and the idea of a def

Re: [Sursound] octofile release

Marc Lavall?e wrote: ... > I don't know if the fine Xiph developers can "just" extend the > definitions of FLAC, if a special Ambisonics mode would be required, and > to what extent the 8-channel limit (as a limit) is a political issue. Extending a FLAC stream beyond eight channels is not possible

[Sursound] Does "gravure universelle" (universal engraving) mean Ambisonic?

Hi All, There is an used LP on offer on eBay which is described as Ambisonic, but which is not included in the UHJ Discography. The LP is on the Erato label, STU 70221. The cover says the LP is "gravure universelle", which Google translate says means "universal engraving". Is this LP Ambisonic?

Re: [Sursound] Anyone in Munich?

Oddity Medium wrote: > how do i change my name on the list? can't see any "settings" anywhere. I am sending this to the list in case anyone else desires to do this. Visit: https://mail.music.vt.edu/mailman/listinfo/sursound To change your subscription options, scroll to the bottom where it says

[Sursound] Ambisonics in an Ogg Opus Container

On 5/2/17, Martin Leese wrote: > Hi All, > > This is yet another version of the draft standard > for Ambisonics using Ogg Opus by some guys, > one of whom is still at Google. It was > discussed on this list last year (in May and > November): > > https://tools.iet

Re: [Sursound] Soundfield mic disintegrating foam

Michael Dunn wrote: > The foam in my MkIV ?suitcase? has turned to horrid mush. Argh. Any ideas > for dealing with it? > > I am incredibly scared to open the mic lest I find foam gunk all over those > beautiful capsules!!! Quantum physics notwithstanding, either there is foam gunk over the capsul

Re: [Sursound] Simple Software to Play a 6-channel WAV File (Windows)?

Marc Lavallée wrote: > Just a question: despite possible degradation of the decoded > ambisonics stream (due to phase errors), could it be that our perception > mechanisms (from the ears to the brain) can "fix" some distortions? > Also, what are the frequency ranges affected by phase errors (for >

[Sursound] Free Ambisonic sound effects

Hi, 41 Ambisonic Sound Effects (2.9 GB / 68+ minutes) for free; visit: https://www.asoundeffect.com/ambisonic-sound-effects-giveaway/ I have no connection, blah, blah, blah. Regatds, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/ _

[Sursound] Two Draft standards for VR

Hi, A couple of draft standards for Virtual Reality have been published, and feedback is requested. Both standards mention higher-order Ambisonics. MPEG has published their Omnidirectional Media Format; available from: http://mpeg.chiariglione.org/standards/mpeg-a/omnidirectional-media-applicati

[Sursound] Project at upwork.com

Hi, Saw this on the Web. I have no connection blah, blah, blah. Fixed Price Budget: $100 My company is producing a short 360 documentary, and we need 3 different spatial / ambisonic / 360º soundscapes that take place in the Middle East. 1) Mosque / prayer service

[Sursound] Songbird

Hi, Google's Songbird is a JavaScript library that can render HOA to stereo and the Web; visit: https://opensource.googleblog.com/2017/08/bringing-real-time-spatial-audio-to-web-with-songbird.html https://google.github.io/songbird/ Regards, Martin -- Martin J Leese E-mail: martin.leese stanfo

Re: [Sursound] Sound Based Composition(surround)

John Merchant wrote: > If anyone is interested, here's a copy of the paper Gus mentioned. ... > -- next part -- > A non-text attachment was scrubbed... > Name: Wallach article.pdf > Type: application/pdf > Size: 1472237 bytes > Desc: Wallach article.pdf > URL: >

Re: [Sursound] Ambisonics in an Ogg Opus Container

Hi All, This is yet another version of the draft standard for Ambisonics using Ogg Opus by some guys, one of whom is still at Google. It was discussed on this list last year (in May and November): https://tools.ietf.org/html/draft-ietf-codec-ambisonics-03 Regards, Martin -- Martin J Leese E-ma

Re: [Sursound] summary of everything (in the guise of a Sennheiser Ambeo mic critical/comparative review)

Dave Malham wrote: ... > Also, unless I'm mistaken (always possible), > it only seems to go back to 2011. The earliest "Ambeo" post is 2016 so, on this occasion, 2011 is plenty. I have saved the Sursound Digests in my Gmail account going back to August 2008 (Volume 1, Issue 1), and possibly earli

[Sursound] Ambisonics in an Ogg Opus Container

Hi All, This is an updated version of the draft standard for Ambisonics using Ogg Opus by some guys at Google. It was discussed on this list last year (in May and November): https://tools.ietf.org/html/draft-ietf-codec-ambisonics-02.html Regards, Martin -- Martin J Leese E-mail: martin.leese

Re: [Sursound] AES UK North Workshop on Capturing and Rendering Audio for VR

Jon Honeyball wrote: > Is this fraud detection thing generated by office365 or by the SS mailing > list server? I have no idea why the SS mailing list might think that > office365 was a spoofed server? I have also seen this on the Xiph Opus list, so it is not just the sursound list server. As th

Re: [Sursound] The BBC & Quadrophony in 1973

On 1/5/17, Martin Leese wrote: > "Alan Varty" wrote: >> Hello Eero. >> >> I cannot remember which issues contained the schematics for the Matrix-H >> only variomatrix decoder, sorry. > > This looks like the following Wireless World > two-pag

Re: [Sursound] The BBC & Quadrophony in 1973

"Alan Varty" wrote: > Hello Eero. > > I cannot remember which issues contained the schematics for the Matrix-H > only variomatrix decoder, sorry. This looks like the following Wireless World two-page article: Surround sound decoders - 5 Variomatrix adaptor for System 45J and Matri

Re: [Sursound] Ambisonics on the web pt.1: JSAmbisonics library update

Politis Archontis wrote: ... > Safari and iOS are partially supported (no support for multichannel .ogg > files at the moment, but otherwise mostly functional) Note that the file extension ".ogg" has been deprecated for all but Vorbis I files (and Vorbis has been superseded by Opus). Visit: https

[Sursound] Google's Omnitone

Hi All, Here is a brief article about Google's Omnitone for VR surround sound. What I find interesting, and which I had not realised before, is that the binaural is obtained via eight-speaker surround. This should make it trivial to feed such a speaker array. Visit: https://techcrunch.com/2016/

[Sursound] Ambisonics in Ogg Opus

Hi, There is an draft Internet standard for encoding Ambisonics using the Opus codec in an Ogg container. Visit: https://tools.ietf.org/html/draft-graczyk-codec-ambisonics-00 Opus is a relatively new lossy codec defined in RFC 6716. Its encapsulation inside an Ogg container is defined on RF

Re: [Sursound] Leyf?u Lj?sinu by Hildur Gu?nad?ttir UHJ-encoded?

Martin Leese wrote: > Hi, > > There is a CD on eBay which is not in the UHJ Discography. However, > the details state: > > Leyf?u Lj?sinu (Icelandic for "Allow the light"), was recorded live at > the Music Research Centre, University of York, in January [2012?] by &

[Sursound] Leyfðu Ljósinu by Hildur Guðnadóttir UHJ-encoded?

Hi, There is a CD on eBay which is not in the UHJ Discography. However, the details state: Leyfðu Ljósinu (Icelandic for "Allow the light"), was recorded live at the Music Research Centre, University of York, in January [2012?] by Tony Myatt, using a SoundField ST450 Ambisonic microphone and two

Re: [Sursound] Acoustic properties of round rooms ?

Augustine Leudar wrote: > Im actually working on a sound installation which is involved with acoustic > archeology in which Im hoping to experiments with resonances , this kind of > thing : > > http://www.otsf.org/archaeoacoustics.html > > In this case a huge circular henge (3.5 m high banks) 18

Re: [Sursound] Acoustic properties of round rooms ?

Augustine Leudar wrote: > Ive had a search online but cant really find much literature about this. > Can anyone tell me anything about the acoustics of circular rooms/spaces ? > How to standing waves behave in circular spaces ? There was a discussion several years ago in one of the rec.audio.* ne

Re: [Sursound] Different usages, different spaces, different decoders?

Martin Leese wrote: > Peter Lennox wrote: >> Following on from discussions of decoder solutions: Forgive me if I've >> missed this (I've been watching sursound for about 20 years, or so - but >> I >> just may have missed the odd discussion!) >&g

Re: [Sursound] Different usages, different spaces, different decoders?

Peter Lennox wrote: > Following on from discussions of decoder solutions: Forgive me if I've > missed this (I've been watching sursound for about 20 years, or so - but I > just may have missed the odd discussion!) > > Has anyone systematically studied the interactions between decoders, speaker >

Re: [Sursound] Sursound Digest, Vol 91, Issue 19

Bob Burton wrote: > There is a Virtual Reality Audio session at this years NAB in Vegas. > > DTS, Dolby and Q Department. No Ambisonics. > > Big mistake in my opinion. Big mistake for whom? For companies, the big problem with Ambisonics is that it cannot be patented (because the patents have ex

Re: [Sursound] Advice on practicalities of 16-speaker half-spherical arrangement

Martin Dupras wrote: > Hi, > > I'm intending to try setting up a 16-speaker Ambisonics array next > week in a small TV studio. I'm trying to figure out the practical > arrangements for setting up the speakers. I was wondering if anyone > with experience might be able to offer some advice or point m

Re: [Sursound] YouTube adds ambisonics support

Andres Cabrera wrote: > Very interesting. > > I'm wondering if it's worth considering separating the order for horizontal > vs. vertical (instead of a single unified order). This mixed order scheme, specifying #H and #P, has the disadvantage that as a source leaves the horizontal, its sharpness de

Re: [Sursound] Is the LP SV-95002(D) UHJ-encoded?

Geoffrey Barton wrote: > Yes I was, inasmuch as there was only one recording, which went straight > into UHJ 2ch PCM. Hi Geoffrey, Thank you for this. If I have understood you correctly, the B-Format was not archived (only the two-channel UHJ) so there could not have been a different mix. Stev

[Sursound] Is the LP SV-95002(D) UHJ-encoded?

Hi All, I have recently purchased the 1980 LP "First Men in the Moon", SV-95002(D) on the Starlog/Varese Sarabande label. This is an original motion picture score, conducted by Laurie Johnson. As far as I can tell, this is the US release of the Unicorn-Kanchana label LP DKP 9001. DKP 9001 is UH

Re: [Sursound] SQ QUAD

David Pickett wrote: > I dont expect them to ever sound as good as an Ambisonic recording, > but I bought some SQ-encoded LPs today. I get pleasant results > playing them out of phase with the same on two rear channels at -6 dB. > > My reason for writing is to ask whether anyone here knows what a

Re: [Sursound] Advice on new loudspeaker array... Genelec 8010 speakers?

Charles Veasey wrote: > Martin - > > To clarify the use of the subs within a tetrahedral array, it would require > the subs to be elevated off the floor? At least one, as described by Michael. > Given the weight of most subs, this > seems a bit difficult in practice. Thoughts? Then try three sub

Re: [Sursound] Advice on new loudspeaker array... Genelec 8010 speakers?

Charles Veasey wrote: > Thanks everyone for the information! > > Using four subs was mentioned a couple of times. I've never used or > experienced more than two in an array. What is the justification? I assume > that given a square room, you'd place one in each corner? With Ambisonics, using three

Re: [Sursound] [OT] Recording uni lectures ...

"Michael Chapman" wrote: > Sorry 'off topic' but as we have so many academic list members ... > > A hearing-impaired student (not profoundly deaf) is having difficulty with > lectures and wants (with the faculty's knowledge) to record them for later > listening. > > I was asked for suggestions. > (

Re: [Sursound] Tiny ultrasonic ambisonics for mice

Spencer Russell wrote: > A colleague asked me a question about how to represent spatial audio to > a mouse in some experiments. The mouse's head is fixed so the sweet > spot can be pretty small. I was thinking about 4 speakers in a quad > configuration doing ambisonics, but not sure how well the

Re: [Sursound] UHJ anyone?

Eero Aro wrote: ... > There was a thread about recognizing UHJ encoding some time ago, > can't remember when. Must have been years... November 2013. The Subject for the thread was "UHJ disc discovery?" A quick scan of the content suggests that the Web page you cited: http://kokkinizita.linuxaudi

Re: [Sursound] Boids for Ambisonic Panning

umashankar manthravadi wrote: > one more for youthe boid's on the wingno the wings are on the boid(cant > remember it exactly or who it is by) Spring is sprung The grass has ris I wonder where the birdies is I heard the birds are on the wing Don’t be absurd, the wing is on the bird It seems to b

[Sursound] ENVELOP - 3D Sound, on Kickstarter.com

Hi All, I fell across this Kickstarter campaign. I have no connection, blah, blah, blah. Does anybody know more? Below are some extracts. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/ ENVELOP - 3D Sound https://www.k

[Sursound] AES 57th International Conference's Future Of Audio Entertainment Technology

AES 57th International Conference's Future Of Audio Entertainment Technology http://livedesignonline.com/aes-57th-international-conferences-future-audio-entertainment-technology http://www.aes.org/conferences/57/ — As the AES hosts its 57th International Conference next month on the “Future of Au

Re: [Sursound] Oculus Rift Visual Demo + Ambisonic Audio Available?

Sampo Syreeni wrote: > True. But then, at the same time, have you ever truly heard sounds from > right below yourself? Does even the human auditory system *really* know > what it means to "hear something from below"? > > Think about it or awhile. In the psychoacoustic sense there actually > might

Re: [Sursound] No more daily digest?

Daniel Courville wrote: > I subscribe to the "daily" digest, but it seems that it's now sent, well, > now and then. > > I've just received one containing 34 messages. The one before that was on > October 1st with 45 messages. And the one before that was on September 6. > > Am I the only one? Nope,

Re: [Sursound] £100,000 for 3D sound development

On 10/21/14, Martin Leese wrote: ... > Here is a link to the entire (brief) article: > http://eandt.theiet.org/news/2014/oct/3d-sound-development.cfm Here are a couple more links: http://www.hud.ac.uk/news/2014/october/100kprojecttounderstandhowthebrainhears3dsound.php http://gow.epsrc

[Sursound] £100,000 for 3D sound development

Hi All, Spotted this in the Engineering & Technology magazine: £100,000 for 3D sound development A University of Huddersfield researcher aims to bring sound reproduction into the 3D age with a new system that would allow not only horizontal but also vertical distribution of

Re: [Sursound] Splitting a 10.2 file

Eero Aro wrote: ... > It's a command line program. Very fast. Needs lotsa careful typing. Or sloppy typing into a text editor to create a BAT file. Then execute the BAT file. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/

Re: [Sursound] BBC Proms in 4.0

David Pickett wrote: ... > Regarding the lack of browser choice, I agree that it would be nice > if all adhered to the HTML5 standard; but they dont. (What's the > point of useful standards -- i.e. the HTML5 media tag -- if not > everbody uses them?) I am sure it doesn't help that there is no act

Re: [Sursound] Ambisonics rig - loudspeakers directivity

Dave Malham wrote: > We had a rig in our original Music Technology room consisting of four Quad > electrostatics (the original ones!) suspended about a metre and a half > below the sloping wooden ceiling so they were above head height but angled > so they were directed at a central head height poi

Re: [Sursound] Ambisonics rig - loudspeakers directivity

Sero wrote: ... > What is the best loudspeaker directivity (polar pattern) for an ambisonics > listening rig? > > I am very confused about this because I cannot find any reference on this > on any pubblication or discussion on the net. The only work I know on this is a study by Dermot Furlong usin

Re: [Sursound] And now for something different...

Bo-Erik Sandholm wrote: > Is there a way to get a personalized HRTF (or even one near mine) with out > spending many hundreds of the coins of your choice or travelling to a > distant destination? No but, if the Microsoft stuff works out, there might be. > Is there a "standard format" for HRTFS t

Re: [Sursound] And now for something different...

Dave Malham wrote: > Oh, for cryin' out loud. Makes you want to weep - Microsoft reinventing > again what's already been done and (most of) the rest of the world > believing they're the originators... I am no fan of Microsoft, but this seems a little harsh. Quickly producing an approximate perso

Re: [Sursound] HELP: Any methods on producing 3D audio in stereo?

YL wrote: > Hi, there, > I'm radio program producer and recently my boss asked me to think about how > to produce 3D audio in stereo. It is not clear to me what you hope to achieve; more information would be helpful. By "produce 3D audio" do you mean full-sphere surround sound, or horizontal-onl

Re: [Sursound] Ambisonia.com is down

On 5/23/14, Martin Leese wrote: > Hi Marc, > > As requested, I am contacting you off-list. Obviously a bit of finger trouble, here. Sorry about that. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/mar

[Sursound] Ambisonia.com is down

Marc Lavall?e wrote: > Hi Jim. > > I'm the maintainer for Ambisonia. Hi Marc, As requested, I am contacting you off-list. Ambisonia.com appears to be down. I get the following error when accessing http://www.ambisonia.com/: Proxy Error The proxy server received an invalid response fro

Re: [Sursound] MS output to 3 loudspeakers

Oliver Thuns wrote: > In the EU the patent has expired > > http://www.google.com/patents/EP0643899B1?cl=en#legal-events > > don't know about the US and Canada. Still valid in the US, visit: https://www.google.com/patents/US5594800?pg=PA12&dq=US+patent+5594800&hl=en&sa=X&ei=ZytIU-2DIMPr2AXdyYHABA

Re: [Sursound] MS output to 3 loudspeakers

JQ Adams wrote: > Trifield is new to me. Thanks for this. > > I'm not entirely certain what is said in this article...: > >> Each filtered signal then passes to a sine/cosine potential divider, which >> is set differently for each frequency band. Only with this arrangement, >> Gerzon found, could

Re: [Sursound] Question about UHJ

Stefan Schreiber wrote: ... > Or distribute 3-4 channel UHJ, which is the stereo-compatible form of > FOA. Of course this proposal didn't "catch" on, even if this should > work. (I see this doesn't work for a CD distribution, but this is the > only case by now. But if you chose physical distributio

Re: [Sursound] Question about UHJ

Schumacher Marlon wrote: > Hi, > > Thanks everybody for your well-considered comments. > The reason for going for a 2-channel format is compatibility with > distribution media formats (CD) - and I suppose it will mostly be listened > to without a decoder. > The possibility of recovering (2D) B-Form

Re: [Sursound] 4 D sound (!)

"Michael Chapman" wrote: ... > I always remember one teacher commenting on speech, that you can apply* > any standard effect and it is still intelligible, except playing it > backwards. > > Not saying that it couldn't be learnt ... Indeed it can. When I was in high school, many moons ago, there w

[Sursound] Ambisonia.com no work

Hi, When I try to access Ambisonia.com, I get a 502 Proxy Error: The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /. Other times I get nothing. Is this just me, or are other seeing the same? Many th

Re: [Sursound] Surprise, Surprise

Richard G Elen wrote: > Well, this is one of mine Many thanks to Richard for the wealth of information. I will remain alert for a used copy to come up on eBay. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/ __

[Sursound] Surprise, Surprise

Hi All, I am trying to track down a CD in the UHJ Discography. It listed as: o M. Cang, E. Chin - Surprise, Surprise, KPM/Nimbus, KN101. (England) Does anybody have this CD? If so, could they please confirm the details (catalogue number, title, etc) and, if possible, e-mail me a list of

Re: [Sursound] Cowboy Junkies - Whites Off Earth Now UHJ Encoding

"Mark Anderson" wrote: > The recording engineer for Whites Off Earth Now has confirmed that the > recording is UHJ encoded. I saw this at the following site > > http://www.quadraphonicquad.com/forums/showthread.php?8022-Cowboy-Junkies-WHITES-OFF-THE-EARTH-NOW!!-SACD&p=197549&viewfull=1#post197549

Re: [Sursound] DeWolfe Library Music - Ambisonics confusion

Espen Braathen wrote: > To: John Leonard , > The "ambisonics" trademark was registered in the US by Nimbus Records, but > was abandoned i 1992 and have thus been dead for the last 20 years. > > The "ambisonic" trademark was registered and abandoned in 2009 by an > individual. The name was never

Re: [Sursound] [Bulk] Re: 45J recordings - did they / do they exist?

"Richard" wrote: > Thanks for the reply. I believe there is one, and i've mentioned it before. > Calrec released it in 1974, and i guess the closest method of decoding is > going to be 45j. I'm planning on decoding it soon. In case others want to read the sursound thread about this Calrec record

Re: [Sursound] 45J recordings - did they / do they exist?

"Richard" wrote: > Hi guys > > A thought just crossed my beleagered mind concerning 45J. From what i can > see, it was around for quite a while, so the question is: are there any > recording of interest in 45J? Obviously there must have been test recordings, but I have never heard of a commercia

Re: [Sursound] how to read common loudspeaker format (CLF) file

Junfeng Li wrote: > I am now trying to develop a program to read and view the loudspeaker > directivity. I came across to know the common loudspeaker format (CLF) > which is detailed at http://www.clfgroup.org/index.htm. Though some CLF > files are provided in binary format, we cannot read it dir

Re: [Sursound] New native B-Format microphone!

J?rn Nettingsmeier wrote: > On 11/14/2013 03:31 PM, Eero Aro wrote: ... >> Just by the accident, I visited an Audio-Visual Fair in the Helsinki >> Fair Centre this afternoon and had a chat with Martin, who has >> designed the microphone. >> >> I actually held the microphone in my hand. There was

Re: [Sursound] Ambisonics Channel ID Wave File in B-format

"Alvin Foster" wrote: > Can anyone provide a link to an Ambisonics B-format wave file that pin > points at least 6-locations or speakers in the movie 5.1 listening space? I > would like: Left-Right-Left Side-Right Side, Center, LFE. The suggested > locations are actually for movie 5.1 locations. T

Re: [Sursound] two new BBC Research white papers on Ambisonics

Peter Lennox wrote: > Aaron Heller wrote: >> The second one uses basic decoding (aka velocity, matching, rV=1) decoding >> over the entire frequency range, which means, among other things, that the >> ILDs are not as large as they would be with rE_max decoding. > Yes, but that's the point - for o

Re: [Sursound] Sense of direction (whole new idea)

Dave Malham wrote: ... > Might be better to develop a smartphone app that took a photo > of the mic, geo-tagged it and associated that with the recorded file, Rather than take a photo of the mic (bit repetitive), take a photo in the direction the mic is facing. Years ago (around 2000) I read a pa

[Sursound] Feedback for new Ambisonics microphone and recording system

Hi All, I saw this post on a forum. The new mic will be either stand-alone or twinned with a 4-channel Zoom recorder. The company is proposing to fund it via Kickstarter. They are asking for feedback from professionals in the field of sound recording. http://www.soundonsound.com/forum/showflat

Re: [Sursound] ambi playback configution and calibration

David Worral wrote: ... >> Is there a way of searching across >> https://mail.music.vt.edu/mailman/private/sursound/? Nope. There used to be, but it vanished. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/ __

[Sursound] IMF Electronics Decoders page

Hi All, I have created a Google Site dedicated to the IMF Electronics Ambisionic decoder, the D20B. Visit: https://sites.google.com/site/imfelectronicsdecoders/ This is a sibling page to my page for Minim decoders at: https://sites.google.com/site/minimdecoders/ Regards, Martin -- Martin J Lee

Re: [Sursound] Two new approaches for the distribution of surround sound/3D audio

Stefan Schreiber wrote: ... > To offer a backward-compatible extension of a < UHJ extended > AAC > stereo file, you would have to include the T and Q audio channels as 3rd > or 4th audio stream, somewhere. (Probably you could "label" such a file > as stereo, the first 2 channels being L and R. Incl

Re: [Sursound] Suggestions spherical loudspeaker installation observatory

"Michael Chapman" wrote: > Martin Leese wrote: >> In general, for Ambisonics, you should >> distribute the speakers as evenly as possible. >> Aim for the faces of a platonic solid; visit: >> http://en.wikipedia.org/wiki/Platonic_solid > > Problem is

Re: [Sursound] Suggestions spherical loudspeaker installation observatory

Matthias Kronlachner wrote: > Dear All, > > I am currently working on a 24-loudspeaker installation in an old > observatory of Vilnius University. > Maybe someone has suggestions on how to distribute those 24 loudspeakers. ... > The installation is intended to be used for experimentation and small

Re: [Sursound] Ambisonics - Decoding 16 channels in DAW

Moritz Fehr wrote: ... > i am going to record a space with a soundfield mic and i would like to then > make a "simulation" of it by setting up an array of 16 speakers. one speaker > circle is on ear level, the other one above. > i would like to use the second circle above to add height information

Re: [Sursound] Giving Precedence to Ambisonics

Eric Carmichel wrote: ... >> Two-channel playback (both convention and binaural) is here to stay for a >> while, so optimizing Ambisonics for stereo is desirable to me. In fact, one >> of my favorite recordings from the late 80s was made with the band (The >> Cowboy Junkies) circled around a Cal

Re: [Sursound] Another query..

Eero Aro wrote: > Dave Malham wrote: >> the Ambisonic demo bug was striking even then... > > Yes, I noticed that too. > > Makes me wonder if the reason for the slow adaptation of > Ambisonics have just been unlucky demonstrations? > > :-) Instead, it made me think that first-order Ambisonics (par

[Sursound] How to play Dolby Atmos using full-sphere Ambisonics

This is an article on Dolby Atmos. It looks like this technology is up and away, what with "Star Trek Into Darkness" and the Empire Cinema in Leicester Square, UK. http://eandt.theiet.org/magazine/2013/06/vastness-of-sound.cfm?utm_source=Adestra&utm_campaign=Design%20%26%20Production%20-%20AUTOMA

Re: [Sursound] Testing left, center, right...

Eric Carmichel wrote: > Over the months, I?ve read a couple of posts asking whether it is possible > to extract or synthesize surround channels from binaural stereo or > non-Ambisonic surround formats. I am now attempting to do something that > would appear to be simpler and more straightforward:

Re: [Sursound] Eigenmike

Stefan Schreiber wrote: > For clarification: > > Could the eigenmike also do some 4th order recording (in a "real" sense, > not giving some 4th order "output"), or is it a 3rd order microphone? When the em32 Eigenmike was in prototype form, mh acoustics promoted it as up to fourth-order (although

Re: [Sursound] theatrical ambisonics

Iain Mott wrote: > These are excellent references, thank you! Curious to know why > ambisonics and uhj encoding ceased to be used in the 90s? I know nothing > about digital radio - but is dolby surround or some other surround > format being used presently in Europe, elsewhere? What is the present

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