Re: [Sursound] A comparison of fifteen ambisonic microphones

2023-10-19 Thread Sampo Syreeni
iki.fi/dsound/ambisonic/motherlode/index.en.html . If you're willing to ship me the actual files, and to have them shown publicly, I *think* I can host a gigabyte or two. Terabytes I can't. (I'm woefully late on this project of mine/ours, but at least the base material stays online.) -- Sampo S

[Sursound] is it *necessary* to mix orders together?

2023-06-11 Thread Sampo Syreeni
On 2023-06-12, Sampo Syreeni wrote: But my emphasis is on the question, if a decode of 3rd *and* 7th order information - yielding in one encoded file - would be mathematically correct if it comes to the decoding of the higher order content. Would there be missing something (maybe an overall

Re: [Sursound] Is it possible to mix ambisonic encoded information of different order?

2023-06-11 Thread Sampo Syreeni
partially, blindly, tell arbitrary order decompositions/additions apart from each other, at least in part. I'm not there, even yet. :/ -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

[Sursound] two ideas, with questions of active decoding

2023-05-10 Thread Sampo Syreeni
gree. This all can be systematically implemented via some variant of non-negative matrix factorization, or a couple of related methods. I believe. Please try it out, or make someone try out. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5

Re: [Sursound] [off-topic] Spirals

2023-03-12 Thread Sampo Syreeni
age makes more sense in this case when flying low, at least over high turnover airfields such we'd have in the busyest of the US; we'd want to have it local here/there. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-4

Re: [Sursound] [ot] off-radio

2023-03-11 Thread Sampo Syreeni
tends to go a bit down. It slowly starts to go towards coherence, so that it radiates further, more efficiently. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sur

Re: [Sursound] [off-topic] Spirals

2023-03-09 Thread Sampo Syreeni
, fast, and in angle, so that the antenna doesn't track well either. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https

[Sursound] [ot] off-radio

2023-03-09 Thread Sampo Syreeni
radio amateur circuit this has been done, in so many ways. In fact in right "beacons", as on WSPR and such. There *is* the idea of QRP radiofinding, as a sport, and who knows whatelse. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464,

Re: [Sursound] [off-topic] Spirals

2023-03-09 Thread Sampo Syreeni
* didn't know something like this would be possible. Jesu Kristu, this is just...wrong. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound

Re: [Sursound] about aviation [ot]

2023-03-08 Thread Sampo Syreeni
recover from it, you know.) I posted the essentials of getting out of a spiral a week ago. Please then post a link into the archives. Apparently I could benefit from them. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0

[Sursound] [ot] Death Spiral

2023-03-08 Thread Sampo Syreeni
On 2023-02-22, Sigmund Gudvangen wrote: What has this aviation stuff to do with surround sound? Perhaps nothing at all. That's why you're supposed to put [ot] (off-topic) in the subject line. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175

Re: [Sursound] [off-topic] Spirals

2023-03-07 Thread Sampo Syreeni
"After sinking, flying, and shaking like a rock from a cannon." It can be done. But nobody teaches you how to do this, and in fact, I don't know of *one* algorithm which has flown this route. 4. As you approach normal airspeed, bring back power and level off. That should be obvious, t

[Sursound] about aviation [ot]

2023-02-28 Thread Sampo Syreeni
peed. Take rapid suceeding accelerations against your XY and then XZ planes. That will feel much worse than one of either. When done harsly, it might lead to unconsciousness, or even permanent physical injury. Because of the "spiral". -- Sampo Syreeni, aka decoy - de...@iki.fi, http://

Re: [Sursound] So long CIPIC HRTF?

2023-02-15 Thread Sampo Syreeni
cost yet at least somewhat effective version of binaural rendering; there would be money to be made. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound

Re: [Sursound] So long CIPIC HRTF?

2023-02-13 Thread Sampo Syreeni
horizon went sideways, I'd put counter-aileron, maybe some rudder, and often pull down to recover airspeed. Simply because of theory. "Trust your meters." -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] So long CIPIC HRTF?

2023-02-13 Thread Sampo Syreeni
right lower skull, below the ear. I dropped out. Then I re-did the experiment simply by exciting the earlobe. I didn't drop out, but I still experienced hard disorientation. Didn't know what was up or down, left or right. Nausea, nystagmus, all of it. -- Sampo Syreeni, aka decoy - de...@iki.fi

Re: [Sursound] So long CIPIC HRTF?

2023-02-11 Thread Sampo Syreeni
by some kind of visual aid. There exists papers showing that the we humans locks in to visual cues and our experience and allows vision to win. Just ask them pilots. Yes. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] So long CIPIC HRTF?

2023-02-11 Thread Sampo Syreeni
of the tympanic membrane. This could now be done, but none of the studies I'm aware of *still* haven't done it so. Quite probably because something like this would be painful, and if analgesia would be tried as close to the inner or middle ear, it'd then also foul up your hearing. -- Sampo

Re: [Sursound] So long CIPIC HRTF? (Joseph Anderson)

2023-02-11 Thread Sampo Syreeni
to mess things up. Salesspeak, fuck that shit. It ain't sound acoustics. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound

Re: [Sursound] So long CIPIC HRTF?

2023-02-11 Thread Sampo Syreeni
didn't. So it sounds sterile. And if you even tried to do *that* your earphones would have to be rather huge, multiply active, ... No. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] So long CIPIC HRTF? (Joseph Anderson)

2022-12-30 Thread Sampo Syreeni
seem to get it didn't work too well in the end. Maybe a more compact and more intelligent setup would be warranted instead? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509

Re: [Sursound] So long CIPIC HRTF? (Joseph Anderson)

2022-12-29 Thread Sampo Syreeni
order and at lower frequency. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo

Re: [Sursound] Reynolds mics

2022-12-25 Thread Sampo Syreeni
ards those kinds of problems as well? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailma

Re: [Sursound] So long CIPIC HRTF? (Joseph Anderson)

2022-12-25 Thread Sampo Syreeni
On 2022-07-14, Braxton Boren wrote: Also, a reminder that the CIPIC HRTFs are all available (in SOFA format) on the SOFA Conventions website: https://www.sofaconventions.org/mediawiki/index.php/Files For once something beyond the age old KEMAR thingies. Thank you. Profusely! -- Sampo

Re: [Sursound] basic questions

2022-12-25 Thread Sampo Syreeni
, as the early SoundFields did it. But really, nowadays, it'd be better to do it via DSP. To formulate the whole thing as an inverse MIMO problem. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] Dave Malham

2022-12-19 Thread Sampo Syreeni
On 2022-12-10, Chris Woolf wrote: Does anyone have a current email address for Dave Malham, please? I have someone who wants to contact him about an old article in Microphone Data. I'd be interested in both the address and the article, too. -- Sampo Syreeni, aka decoy - de...@iki.fi, http

Re: [Sursound] 3 point XY - Anyone ever heard about this?

2022-12-13 Thread Sampo Syreeni
ombination of such coincident "XY"'s can ever recover W. Whereupon my outburst. Might we agree to call it a glitch in nomenclature? Shoulda known better, but reverted to an earlier time? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175

Re: [Sursound] 3 point XY - Anyone ever heard about this?

2022-12-09 Thread Sampo Syreeni
On 2022-12-05, Fons Adriaensen wrote: On Mon, Dec 05, 2022 at 07:07:08AM +0200, Sampo Syreeni wrote: On 2022-12-04, Thorsten Michels wrote: Does anyone ever heard of a system described as "3 point XY"? Sounds like hogwash and snakeoil. It certainly is not. If the

Re: [Sursound] 3 point XY - Anyone ever heard about this?

2022-12-04 Thread Sampo Syreeni
characteristics above first orrder, they can be returned back to a first order mic by some linear transformation. They are all equivalent to each other — and where they are not, at first order, they fail the isotropicity POA Ambisonic tries to achieve. -- Sampo Syreeni, aka decoy - de...@iki.fi

Re: [Sursound] 3 point XY - Anyone ever heard about this?

2022-12-04 Thread Sampo Syreeni
you truly to go a periphonic and as such a much higher order mic. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt

Re: [Sursound] contact with Umashankar -

2022-12-04 Thread Sampo Syreeni
On 2022-11-25, Shashank Aswath wrote: I was able to reach Umashankar at umasha...@hotmail.com last month. Just saying, we have bit of a community, here. OMG, a good one. 8) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0

Re: [Sursound] about principled rendering of ambisonic to binaural

2022-12-04 Thread Sampo Syreeni
. Also, http://decoy.iki.fi/decoy/download/smokin.mp3 . -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https

Re: [Sursound] HOA mic comparison

2022-12-04 Thread Sampo Syreeni
against the outgoing Hankel solution after dispersion from the mic. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https

Re: [Sursound] about principled rendering of ambisonic to binaural

2022-10-16 Thread Sampo Syreeni
, so I'd probably start with those. But they are not *your* ears, but a make-do average-sounding one. Plus the set is symmetrized, unlike anybodys real.) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] about principled rendering of ambisonic to binaural

2022-10-16 Thread Sampo Syreeni
oducing quite a number of aliasing artifacts, in space/direction. They will also be difficult to control or prove, even if we know they will be minor an sich. For instance their interference products might sometimes be arbitrarily large. Ciao, Moro, ystäväni. :) -- Sampo Syreeni, aka decoy -

Re: [Sursound] about principled rendering of ambisonic to binaural

2022-10-16 Thread Sampo Syreeni
On 2022-09-11, Picinali, Lorenzo wrote: https://acta-acustica.edpsciences.org/articles/aacus/abs/2022/01/aacus210029/aacus210029.html Thank you, will read. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

[Sursound] about principled rendering of ambisonic to binaural

2022-09-11 Thread Sampo Syreeni
-> binaural mappings? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/surso

Re: [Sursound] On 3D audio rendering for signals with the low sampling frequency

2022-08-12 Thread Sampo Syreeni
know the type. Being a libertarian and a well-versed amateur economist myself. Most people who talk economics, do not in fact understand economics. My kind included. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] On 3D audio rendering for signals with the low sampling frequency

2022-08-12 Thread Sampo Syreeni
towards infinity, as the Halligan lenghtens. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu

Re: [Sursound] basic questions

2022-06-30 Thread Sampo Syreeni
as it more accurate, or because they fuck up the differential phase more. Quantifying headphones' nearfields is *significantly* more difficult than what mics and mic arrays do, because in the latter case you can employ free field conditions and far fields. Everything else then follows. -- Sampo Sy

Re: [Sursound] auditory coronagraphy

2022-06-27 Thread Sampo Syreeni
onlinear optimization problem, of the partial differential kind. Highly nontrivial, provably non-convex, and definitely of class NP even when discretised. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C

[Sursound] auditory coronagraphy

2022-06-26 Thread Sampo Syreeni
the Feeble? Also, why don't we do physical, spatial modulation even on the projection side, backwards? Because the huge constrast *does* go both ways. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] format convention of Ambisonic Sound Library Files

2022-05-29 Thread Sampo Syreeni
all of those various coefficients. Even to decode your signals properly. Finally, how would I encode the true, lossless matrix into the OggPCM stream? Well... As a multidimensional wavelet tree, zero-tree encoded, using a sufficiently high order Daubechies mother-wavelet. -- Sampo Syreeni, aka

Re: [Sursound] format convention of Ambisonic Sound Library

2022-05-29 Thread Sampo Syreeni
On 2022-05-27, Fons Adriaensen wrote: Hello Richard, Having been caught up in beach bum matters for some years, You are like...just so cool. Never have I ever... 8) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] format convention of Ambisonic Sound Library Files

2022-05-24 Thread Sampo Syreeni
e.g.in RIFF WAVE. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

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

2022-04-28 Thread Sampo Syreeni
erage over spatial kinks, both in mic setup and in the coarser features of the room. Hence, dispersing toppings overall. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] Call: Europe's Fifth Student 3D Audio Production Competition, Nov. 2021, Virtual Event(s)

2022-04-23 Thread Sampo Syreeni
. Are autodidacts welcome to participate? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman

Re: [Sursound] Reynolds mics

2022-04-06 Thread Sampo Syreeni
back to factory for a recalibration. You already said you take precautions, but how robust are they recording-wise? Have you measured? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] Reynolds mics

2022-04-06 Thread Sampo Syreeni
with lesser vertical resolution -- which is topologically speaking somewhat workable -- than to think pantophonic formats would ever actually live upto Gerzon-like rigor. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] Antw: Re: [opus] Antw: [EXT] Opus merging streams

2022-04-06 Thread Sampo Syreeni
quot; -- not unlike one of our Finnish national prides ABLOY (lit. "Aktie Bolaget Lukko Osakeyhtiö", roughly "plc. Lock Plc.") keeps churning out newer and newer designs of keys in order to keep them under trademark and design rights. -- Sampo Syreeni, aka decoy - de...@iki.f

Re: [Sursound] Reynolds mics

2022-04-05 Thread Sampo Syreeni
of a commercial and social boost nowadays. But why don't you then bring Jack back into the fold, too? It'd be a *hoot* to discuss his technical and marketing choices in here. Maybe have a bit of to-and-fro abotu them. :) <3 -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358

Re: [Sursound] Reynolds mics

2022-04-05 Thread Sampo Syreeni
even quantify their secret sauce. What are the equations, here? Also, how and *why* does it sound? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing

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

2022-03-01 Thread Sampo Syreeni
cially in regards to resonances, standing waves, convergence of solutions of the acoustical equation to the very edge of any given bounded, convex set, outwardly bound energy (even given the Sommerfeld radiation condition), and the lot. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.

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

2022-02-28 Thread Sampo Syreeni
do the routing in Reaper. David already was in the business. Does anybody want to sketch out that library I talked about? I'm a theoretician, so not much of a coder. Yet I could guide a seven-year-old through the process of writing such a thing, in plain C. -- Sampo Syreeni, aka decoy - de...@i

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

2022-02-25 Thread Sampo Syreeni
the typical shift-invariant linear machinery. That is prohibited by topological, symmetry considerations. What you need to do is go into nonlinear variational calculus. Using nonlinear perceptual measures, rate-distortion theory, and the like. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://

Re: [Sursound] the facebook group

2022-01-08 Thread Sampo Syreeni
On 2022-01-08, Jack Reynolds wrote: I still haven’t had much luck finding it Truth be told, since FB deleted my previous account, I've been experiencing difficulty as well. I think it's this one https://www.facebook.com/groups/355566654536126 . Or hope. :/ -- Sampo Syreeni, aka decoy

Re: [Sursound] Ambisonics with AirPods head tracking

2022-01-07 Thread Sampo Syreeni
than Apple does? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] the facebook group

2022-01-07 Thread Sampo Syreeni
On 2022-01-02, Sigmund Gudvangen wrote: Bad idea! Not everybody have Facebook accounts. I wouldn't want one even if I got paied for it. The idea always was to have the FB groop as a secondary to the list. Which it is, and how it remains. -- Sampo Syreeni, aka decoy - de...@iki.fi, http

Re: [Sursound] the facebook group

2022-01-07 Thread Sampo Syreeni
soon. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] Environmental Context Podcast Listening Pilot Survey - Invitation to participate

2022-01-07 Thread Sampo Syreeni
of the "listening "context"" might help us contextualize your proposition a bit... As Buffy said, "But what *is* *it*?" ;) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C

Re: [Sursound] Into Sound - Headphone Localization Hearing Test

2022-01-07 Thread Sampo Syreeni
and frequency at the same time. That's just basic math. If you do a Fourier analysis of things, the two sides of the tranform obey the Heisenberg principle. If you want to go into a more Surround Sound or DSP minded discussion, I'm more than willing and here. :) -- Sampo Syreeni, aka decoy - de

Re: [Sursound] A 7th-order array with 16 microphones

2022-01-07 Thread Sampo Syreeni
freely host a few GiB at a time, and a few GiB permanently, if something proves interesting. Just ask. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound

Re: [Sursound] Nimbus promo video

2022-01-07 Thread Sampo Syreeni
business, it's always the more the merrier. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu

[Sursound] the facebook group

2022-01-01 Thread Sampo Syreeni
Hi. How about if you all also join the Facebook-group, corresponding to this one? Because it'd be nice as always... ;) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] about Nimbus promo video

2021-12-13 Thread Sampo Syreeni
On 2021-12-14, Sampo Syreeni wrote: Could we make it so that the video, in its original form, becomes a part of the Ambisonic Motherlode? Without any extra compression on the way? (Now, Finn to Finn...) And back, from Finn to Brit, that certainly was a Harrier float and another flyby

[Sursound] about Nimbus promo video

2021-12-13 Thread Sampo Syreeni
ai ainakin vähän pakattu, raina. Jollain tavalla. Se menisi Motherloden video-osioon. 8) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing lis

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
o the kind of work needed for full 3D VR work, vis-a-vis, holding a ferry-wheel or roller coaster ride perceptually constant, over the whole ride. This system would alias, noticeably, unlike full, isotropic ambisonic. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-375

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
topology and symmetry. Especially since it does goes to my argument about how oblique modes in the acoustic field excite a discrete array of microphones. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
. Is it that not so? ;) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
. That particular range actually serves a known and useful function, even if it doesn't constitute *it'll*. My guess is that it is not more or less sensitive than SMAs. Again, what is an SMA? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
th already. That leads to rather an unsymmetrical decoding solution. Which would fit with how badly the above matched symmetrical field behaved -- maybe they just don't understand how to do a dual decode, over all of the field, and over the frequencies? -- Sampo Syreeni, aka decoy - de...@ik

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
what they're about, and how to make them the best they can be. 8) As before, much of the physical limitations are qualitatively (and also quantitively) similar to SMAs. Pray tell, what is a SMA? -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-07 Thread Sampo Syreeni
direction, and I'm perfectly confident that with a wider band test signal, it would have sounded even more amorphous, because of spatial aliasing. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] binaural to FOA?

2021-06-23 Thread Sampo Syreeni
On 2021-03-05, Ralph Glasgal wrote: Checkout the AES papers at www.ambiophonics.org. But basically if you have a front pair that was recorded with accurate values of ITD and ILD and a rear pair isolated from the front that also has accurate ITD and ILD then you can have a full circles of

Re: [Sursound] binaural to FOA?

2021-06-08 Thread Sampo Syreeni
. That is, at full, the possibility of walking around and jumping over a sound source, while fully perceiving it as being "there". -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] binaural to FOA?

2021-06-08 Thread Sampo Syreeni
, and phasing, you can gather a whole lot more. Presuming the microphones moves and the pinnae around them keep even semi-constant. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] binaural to FOA?

2021-06-08 Thread Sampo Syreeni
for assumptions which we cannot readily formalise. They wouldn't be within the ambit of linear signal processing, either, but within highly dynamic psychoacoustics. If done optimally. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494

Re: [Sursound] binaural to FOA?

2021-03-16 Thread Sampo Syreeni
he first order WXYZ-degrees. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3751464, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailm

Re: [Sursound] analog planner

2020-02-20 Thread Sampo Syreeni
On 2020-02-20, Charlie Richmond wrote: 3) Or that Siri’s AI is advanced enough to pun by auto-correcting panner to planner - as these weren’t made for 3-D... I've been panning Siri's AI ever since it was released. And other auto-correcting apps too. I *so* saw that coming. :D -- Sampo

[Sursound] the dominance transformation

2019-03-21 Thread Sampo Syreeni
dominance for good. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

[Sursound] about extant ARA materials

2018-08-03 Thread Sampo Syreeni
of rational audio system design. I believe they used to be housed under Meridian's site, at least at some point. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] Questions on Ambisonics and space / VR Radio Theater

2017-09-21 Thread Sampo Syreeni
development. Its full potential has yet to be unleashed, so that if you aim at the limit, you'll still often have to roll your own. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] NYT: "Surround Sound? You Ain’t Heard Nothing Yet"

2017-07-15 Thread Sampo Syreeni
already should be here. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo

Re: [Sursound] Help: what am I doing wrong?

2017-07-07 Thread Sampo Syreeni
nd we like it. ;) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubs

Re: [Sursound] Help: what am I doing wrong?

2017-07-06 Thread Sampo Syreeni
working with a "near-spherical array"; pretty much by definition that means not all of the speakers experience equal propagation delay towards the sweet spot... -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9

Re: [Sursound] Help: what am I doing wrong?

2017-07-06 Thread Sampo Syreeni
occasions been discussed at length. Hopefully my ideas above can at least serve as pointers to what is already in the list archive. :) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494

[Sursound] [off-topic] Multichannel players for permanent installations

2017-07-01 Thread Sampo Syreeni
explains more and more simply than temperature by itself. 8) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https

Re: [Sursound] Multichannel players for permanent installations

2017-07-01 Thread Sampo Syreeni
conversion. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] Multichannel players for permanent installations

2017-07-01 Thread Sampo Syreeni
*half* of what they claim, there's just no possible way you can beat it by building your own. Even a well-regulated power rail for your converters could eat up half of an amateur's budget. Jesus... :D -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E

Re: [Sursound] Multichannel players for permanent installations

2017-06-27 Thread Sampo Syreeni
in the next combustion compartment. Software gang it up with a wifi route leading to the same destination. The only way it's proofer to the end of the world, or your kids, is a setup where you can't actually route back the signal to be heard, in the first place. ;) -- Sampo Syreeni, aka decoy

Re: [Sursound] Re. Re: Re Re: Ambisonic Mic Comparison

2017-06-27 Thread Sampo Syreeni
er rectifying an ex post *obvious* engineering fault of a well-performing, already mostly well-engineered mass-market product. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2

Re: [Sursound] Re. Re: Re Re: Ambisonic Mic Comparison

2017-06-27 Thread Sampo Syreeni
currently tend to be underappreciated wrt to the difference they make. I have a dream... :D -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list

Re: [Sursound] Re. Re: Re Re: Ambisonic Mic Comparison

2017-06-26 Thread Sampo Syreeni
would have you believe is possible. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman

Re: [Sursound] Re. Re: Re Re: Ambisonic Mic Comparison

2017-06-26 Thread Sampo Syreeni
for it came free as well. Thus, the idea that you'd now have to expend anything beyond some 100€'s in hardware in order to get a fully functional, top of the line preamp for your top of the line ambisonic mic, seems pretty much preposterous. -- Sampo Syreeni, aka decoy - de...@iki.fi, http

Re: [Sursound] Re Re: Ambisonic Mic Comparison

2017-06-25 Thread Sampo Syreeni
her...except that I kind of am... ;) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt

Re: [Sursound] Re Re: Ambisonic Mic Comparison

2017-06-24 Thread Sampo Syreeni
a mic, and then even there they don't just tell you outright what those measurables *are*. Then because of the unknowns, you might well end up paying several thousands of euros extra, for nothing at all. Even at the high end, which people here talk about... :/ -- Sampo Syreeni, aka decoy - de...@iki.fi,

Re: [Sursound] Re Re: Ambisonic Mic Comparison

2017-06-24 Thread Sampo Syreeni
, precisely? I mean, analogue circuit wise speaking? If the noise signal is there, no amount of even cleaner gain is going to take it away. Input impedance issues might *generate* noise, true, but then again what *is* the precise issue, here? Inquiring minds want to know. :) -- Sampo Syreeni, aka decoy

Re: [Sursound] Matrix H lives ??

2017-04-24 Thread Sampo Syreeni
*is* or *should be*. -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] Matrix H lives ??

2017-04-24 Thread Sampo Syreeni
at a later date... I'm reluctant to throw away rare examples of our past technologies :-) Indeed. That'd be pretty much an example of secular sin. Please let us do better than that, as a crowd. 8) -- Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front +358-40-3255353, 025E D175 ABE5

Re: [Sursound] The BBC & Quadrophony in 1973

2017-01-11 Thread Sampo Syreeni
I have all of that stashed away somewhere, for at least the MPEG2 layers and Transport Streams, MPEG4, RIFF, DTS, AC3 and Core Audio. Not exactly sure about the newer coding tools like Parametric Stereo, though. (Of all the things, I collect data format specs.) -- Sampo Syreeni, aka decoy - de

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