Re: [Sursound] umashankar mantravadi has shared documents with you

Hmm. The link is not working for me. Can you double check it? Thanks. Eric - Original Message From: umashankar mantravadi umasha...@hotmail.com To: sursound@music.vt.edu Sent: Mon, November 8, 2010 9:19:32 PM Subject: [Sursound] umashankar mantravadi has shared documents with you

[Sursound] Ambisonics symposium 2011: was help with links ...

Peter Lennox p.len...@derby.ac.uk wrote: anyone taking something interesting to the Ambisonics symposium 2011 in Kentucky? I'm planning on bring a prototype of a practical, affordable second-order soundfield microphone. Of course it's not done yet, and perhaps I'm talking through my hat.

Re: [Sursound] Minim AD7 for sale - Speaker configs.

from psychoacoustics we cannot really hear directions of sound below 80 Hz I know that it is frequently written, but it's not true. Of the two localization mechanisms active at low frequencies, Interaural Time Differences (ITDs) are the ones that give useable localization cues in free space. 

Re: [Sursound] Jacktrip (bandwidth)

As a (mostly) non-user of Linux, I'm uncertain as to what Jacktrip is used for.  Is it to stream data over a network?  Or is it to distribute computing between multiple machines?  If it is the former, then I'm puzzled.  I can easily play a 16-channel file hosted on one machine on my 100 baseT

Re: [Sursound] B format mic using omnis?

. Eric Benjamin - Original Message From: Dave Malham dave.mal...@york.ac.uk To: Surround Sound discussion group sursound@music.vt.edu Sent: Mon, June 20, 2011 3:54:38 AM Subject: [Sursound] B format mic using omnis? May seem a strange question, but anyone ever had any experience

Re: [Sursound] the recent 2-channel 3D sound formats and their viability for actual 360 degree sound

Rober Greene wrote: There was a method developed by Finsterle Tell us more about it.  Is the method described elsewhere?  Is it embodied in a device, or software?  Who is Finsterle? Eric - Original Message From: Robert Greene gre...@math.ucla.edu To: Surround Sound discussion

Re: [Sursound] Opinions on the Brahma soundfield mic kit

Dan Andrew whats the catch? I'm not sure that there is a catch, as such. It's apparent that the Brahma is an 'A-format' microphone, in which it is the capsule signals that are recorded and not the Ambisonic B-format. To get B-format will require some matrix processing (sum and difference

Re: [Sursound] the recent 2-channel 3D sound formats and their viability for actual 360 degree sound

all of my material that was on there (plus a bit more), and all of John Leonard's, I hadn't visited your pages in a while.  I particular like the roll-over informational photos. Between your material and John Leonard's material you have Early Music and environmental sounds fairly well

Re: [Sursound] the recent 2-channel 3D sound formats and their viability for actual 360 degree sound

Robert Greene wrote: there are VERY serious problems of other kinds with using it at the kinds of distances (fractions of a meter less than 1/2 , much less often enough) where proximity effect becomes really major. That is indeed true, except perhaps for the label of Very. I first noticed

Re: [Sursound] Decoding coefficients for non symmetrical setups

Bruce Wiggins's (I hope) research was what started this fray out in the first place Yup.  And several others.  But the point is that there is a good deal more to be done, especially as you point out that: this sort of optimization retains the blackbox leanings of machine learning as a

Re: [Sursound] 32 (ish) channel soundcard for wavedield synthesis ?

currently thinking of using PCI or PCI express cards Any time that there are multiple devices the chances of having them be offset in time increases dramatically.  I've really had a lot of bad experiences, both with multiple PCI audio devices and with multiple external ADAT devices.  I'm

Re: [Sursound] Can anyone help with my dissertation please?

Robert, Lots to comment on here.  I seem to be compelled to address your negative or not so good observations: Not so Good 2) Because one- point miking ignores transient time of arrival differences as such , one of the basic cues of sonic perception is suppressed explicitly That's not

Re: [Sursound] Transient time differences

I can't answer the question precisely without either doing an experiment or by doing many hours of calculations.  But one thing to consider is that the Blumlein recording won't fail to produce correct ITDs at frequencies above 700 Hz.  At least, not theoretically.  I can demonstrate by

Re: [Sursound] Waveplayer - 16 chnl SD-card audio device

That is a pretty cool project. Having said that, I don't know what I would do with one. As it stands it's a 2-channel player, but it's possible to get a 2-channel player for less than that. If you expand it to 8 or 16 channels, then it's unique, but I still don't know what I would do with

Re: [Sursound] Why do you invert the phase of one channel of multi capsule microphones ?

three of the capsules. That makes a difference in what you call 'front', of course, but also in the behavior of the array at the highest frequencies. I hope this helps. Eric Benjamin - Original Message From: Augustine Leudar augustineleu...@gmail.com To: sursound@music.vt.edu Sent

Re: [Sursound] Chasing flies with ambisoinics?

is up and running again I'll post some of those recordings. Eric Benjamin ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] preferred (small) linux distro for audio?

I have almost no experience in this, but it seems like this discussion would be incomplete without mentioning the Planet CCRMA distribution: http://ccrma.stanford.edu/planetccrma/software/ written with too much blood in my caffeine stream. Eric - Original Message From: Dave Malham

Re: [Sursound] List of open source software for wavefield synthesis

I'd be very interested in hearing about your hardware. That many DAC channels and loudspeakers is challenging! - Original Message From: Augustine Leudar augustineleu...@gmail.com To: Surround Sound discussion group sursound@music.vt.edu Sent: Thu, July 5, 2012 7:59:21 AM Subject:

Re: [Sursound] higher order ambisonics over 8 to 10 loudspeakers

Fons Adriaensen wrote: for anything based on energy vectors the angle between the speakers can't be too big. Is there a good reference for that important point? Eric - Original Message From: Fons Adriaensen f...@linuxaudio.org To: sursound@music.vt.edu Sent: Mon, July 9, 2012

Re: [Sursound] Which order (but not extactly high order)?

More opinion to add into the mix. There are really tiny microphones which are also directional. An example of the case in point is the Knowles FG which is available with several different directivities.

Re: [Sursound] Unusual Binaural Head

This seems to me to be a bit like a device created by the folks at CIPIC, at the University of California at Davis: http://www.news.ucdavis.edu/search/news_detail.lasso?id=7058 They didn't use multiple pinnae, but they did have multiple 'ears' around the circumference of a cylinder. There

Re: [Sursound] Looking for a very, very old thread - mics pointing inwards?

I'm still confused as to what is being described. Could it possibly be this? http://ambisonics.iem.at/symposium2009/proceedings/ambisym09-pollowmasiero-musicalinstrumentdirectivity.pdf/at_download/file or something similar? Eric Benjamin - Original Message From: Eero Aro eero

Re: [Sursound] Surround formats and lossy compression

macro-blocking or halos or the screen door effect, I know that wasn't in the source originally. Eric Benjamin (not to be confused with Eric Carmichael!) - Original Message From: Eric Carmichel e...@elcaudio.com To: Sursound sursound@music.vt.edu Sent: Fri, April 5, 2013 5:52:36 PM

Re: [Sursound] what mics do you use?

of a calibrated loudspeaker system in a listening room. For both headphones the new target based on an in-room loudspeaker response was the most preferred target response curve. Convention Paper 8867 More about ambisonic recording in a subsequent email. Eric Benjamin

Re: [Sursound] what mics do you use?

that the array be calibrated (equalized) to get proper response. Eric Benjamin ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] what mics do you use?

shape http://www.aes.org/tmpFiles/elib/20130429/16470.pdf I hope that the illustrations in these papers will make clearer what we've been talking about. Either Aaron or I will be happy to send a copy to anyone who is interested. Eric Benjamin - Original Message From: Dave Malham

Re: [Sursound] Sony PCM? (was Re: DTS Headphone:X)

On 30 Apr 2013, at 04:56, David Pickett wrote: A standalone Windows app that would decode Dolby-A encoded wavefiles and output a restored non-Dolby 24-bit wavefile would be most useful. I have several recordings that I have had transfer to hi-res files still in Dolby-A format. ... even if

Re: [Sursound] [ot] hard to find papers

They should be in your in-box by now. I trust you were able to find the patents? - Original Message From: Sampo Syreeni de...@iki.fi To: sursound-list sursound@music.vt.edu Sent: Tue, May 21, 2013 5:27:36 PM Subject: [Sursound] [ot] hard to find papers Does anybody happen to have the

Re: [Sursound] Nevaton microphones

but I've done similar things, with good success. The lack of a vertical component is an interesting conundrum. I always insist on recording 'Z', and then almost never end up using it... Eric Benjamin - Original Message From: Emanuele lamacchiaco...@yahoo.it To: sursound@music.vt.edu Sent

Re: [Sursound] Nevaton microphones

is a good deal of progress still to be made in this area. Eric Benjamin - Original Message From: Sampo Syreeni de...@iki.fi To: Surround Sound discussion group sursound@music.vt.edu Sent: Sat, June 1, 2013 6:55:04 AM Subject: Re: [Sursound] Nevaton microphones On 2013-05-31, Daniel Courville

Re: [Sursound] Eigenmike (Fons Adriaensen)

to 3rd order.   Of course it is possible to derive the spherical harmonics from those. Eric Benjamin - Original Message - From: Stefan Schreiber st...@mail.telepac.pt To: Surround Sound discussion group sursound@music.vt.edu Cc: Sent: Monday, June 17, 2013 8:52 AM Subject: Re: [Sursound

Re: [Sursound] Ambisonic first approach

-pin XLRs.  At least I don't know of any.   And 6-pin and 7-pin XLRs are very rare.  I can't get them in the type that I prefer. What sort of multipin connectors do folks here like? Eric Benjamin From: Michael Chapman s...@mchapman.com To: Surround Sound

Re: [Sursound] Hector bird recording - SoundCloud

 Is the W level correct? I am finding myself turning up my W knob 3-6dB  I'm tempted to agree.  Of course it's difficult to be certain. From: dw d...@dwareing.plus.com To: sursound@music.vt.edu Sent: Friday, November 22, 2013 6:21 AM Subject: Re: [Sursound]

Re: [Sursound] New Ambisonic VST Plugins

a group of omnidirectional microphones on a sphere, such as the commercially available Eigenmike: http://www.mhacoustics.com/products There are other methods.  It's still early days for this technology. Eric Benjamin -- next part -- An HTML attachment was scrubbed... URL

Re: [Sursound] Encoding a 7.1 audio DVD ?

Yeah...  You can put them on the disc, but you can't get them back. Likewise, I could envision putting up to the full 64 channels of audio onto a disc by first encoding it as AAC, and then stuffing the AAC into a quasi-PCM file which would be entered into the linear PCM zone on the disc.  But

Re: [Sursound] 'Quasi-flat' binaural

David, Intriguing, but I don't know exactly what it is that I'm supposed to be hearing!  A little descriptive text would be helpful. Eric Benjamin From: dw d...@dwareing.plus.com To: Surround Sound discussion group sursound@music.vt.edu Sent: Friday, January

Re: [Sursound] Inexpensive USB multichannel sound card

I can recommend the very inexpensive Sabrent SND-8, which is $19 at Amazon.   It's not great, but it's certainly adequate! From: Alessandro Fogar sfo...@gmail.com To: sursound@music.vt.edu Sent: Sunday, March 23, 2014 2:49 AM Subject: [Sursound] Inexpensive USB

Re: [Sursound] Noise reduction on Ambisonic files

.  About 46 dB more, unweighted.  It would be interesting to try to perform some more controlled recordings to find out whether the noise is coming from the mic, or not, and whether it meets specifications. Do you ever get to the SF bay area? Eric Benjamin On Wednesday, August 6, 2014 3:12 PM

Re: [Sursound] Ambisonic Cube reverberation attenuation with foam

How have you determined that reflections from the room walls are the source of the perceptual problems? To test for that, it might be best to try a temporary fix first. I have successfully used moving blankets to prototype room treatment. If moving blankets are installed away from the actual

Re: [Sursound] Surroud sound with height demos

Your request is intriguing. My question is: What sorts of demo material? I've made a number of such recordings with a soundfield microphone, none of which are in my possession at present. One of the recordings was of a male voice in a large studio room, with the subject ascending and descending

[Sursound] Recording B-format

elsewhere. There are no perfect solutions here! If you would like copies of the two papers, just let me know. I haven't looked at them since we wrote them, but I don't think that we told any lies! Eric Benjamin -- next part -- An HTML attachment was scrubbed... URL: https

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

Martin There is a bit more information about the project at the envelop web site: http://envelop.us/ Several of the proponents are members of Surround. Perhaps one of them would like to elaborate. Eric -- On Fri, Apr 10, 2015 9:46 PM PDT Martin Leese wrote: Hi

Re: [Sursound] 3D Sound Labs Neoh headphones

NEOH seems to be quite similar to the Rondo from Dysonics:http://dysonics.com/ The Rondo is a small device that can be attached to any headphone and provides head tracking. The rest of the product is a software player (RAPPR) that applies the head tracking info and communicates to Rondo via

Re: [Sursound] Converting 16 mic array recording to B format

By all means. We'd like to hear them. Why not put them on Ambisonia? http://www.ambisonia.com -- On Sun, May 17, 2015 10:47 PM PDT Bo-Erik Sandholm wrote: I have a number of recordings using a tetramic and Tascam DR-680, the recordings are mostly: church choirs

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

All of my spatial sound research has been self funded. As such, Im very sensitive to the budgetary issues. I had initially selected the then-current genelec 1028a for my array, but then I discovered that the JBL lsr25 had flatter response, greater low frequency extension, more acoustic output,

Re: [Sursound] SQ QUAD

Richard, You say "the two software programs you've been provided links for don't decode it" Just out of curiosity, in what way do the two software decoders fail to properly decode SQ? My interest is purely academic, as I don't have any SQ source material. Eric Benjamin

Re: [Sursound] The Mike Skeet Collection

was half the world away. He will be remembered, for the legacy of his many recordings. Eric Benjamin -- next part -- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20151220/7c98e8ea/attachment.h

Re: [Sursound] Reduced set of B-format (or HOA) to binaural filters

I have used that symmetry in the past. I assume that everyone does.  Sent from Yahoo Mail on Android On Wed, May 25, 2016 at 8:37 AM, Politis Archontis wrote: Hi, There has been some discussion before on B-format or HOA to binaural filters (HRTF-based), which

Re: [Sursound] Furse-Malham to ACN conversion

"In both cases the sound was coming from seemingly random places, and a number of positions went practically silent." What is needed, not just for you, but for everyone, is a comprehensive set of test files. It may be that your loudspeakers aren't where the system thinks they are (wrong speaker

Re: [Sursound] Rapture3D Universal SDK

It's necessary to remove the period to make the link work. Sent from Yahoo Mail on Android On Thu, Mar 24, 2016 at 5:18 AM, Richard Furse wrote: [Warning: product announcement - I'll keep it brief.] Hi there! I thought a few folk here might be interested to

Re: [Sursound] Zoom H2n firmware update for spatial audio + surround podcast produciton

The principle problem with using the ZoomH2n for Ambisonics recording is that the capsules are arranged in such a way that left obstructs right and right obstructs left. This can be seen in the photos on Daniel's web page athttp://www.radio.uqam.ca/ambisonic/images/h2_01.jpg The result of the

Re: [Sursound] YouTube now supports Ambisonics (warning....part advertisement..)

When I recorded Haley Jo's lovely voice for the original eight directions, I also recorded her announcing other directions. Unfortunately I wasn't prescient enough to record every conceivable direction. I wonder what would be a good announcement for half height positions? Sent from my iPhone

Re: [Sursound] Small multichannel speakers setup

This is all good stuff. I'd like to add some info about the system aspects. Speaker mounting. This can be nontrivial. I know of one professional periphonic installation where the cost of the stands was more than the speakers. And mounting speakers at height can be very difficult. If the

Re: [Sursound] wireless speaker/transmission recommendations

Jim You might want to give us a target budget for this distribution system. Sent from Yahoo Mail on Android On Wed, Nov 16, 2016 at 5:24 PM, Wim wrote: Hi Jim, You could have a look at the Neutrik Xirium system. It's the only one I know that is capable of timed multi

Re: [Sursound] Live ambisonic electronica in London

I’d love to come but I live near San Francisco. If you should choose to show again near hear I’ll definitely attend. Sent from Mail for Windows 10 From: Tom Slater Sent: Tuesday, November 14, 2017 7:41 AM To: sursound@music.vt.edu Subject: [Sursound] Live ambisonic electronica in London Hello,

Re: [Sursound] RIR measuring, how to capture a higher order Ambisonic room responce?

this, so caveat emptor. Eric Benjamin. From: Bo-Erik Sandholm Sent: Tuesday, April 24, 2018 8:58 AM To: sursound Subject: Re: [Sursound] RIR measuring,how to capture a higher order Ambisonic room responce? Thank you all, for your answers. I received a lot of information. I will start with FOA

[Sursound] ambisonic recording of the philharmonic orchestra

https://www.philharmonia.co.uk/digital/virtual_reality_and_apps/mahler_3 I’m looking forward to this. Does any one have further details? -- next part -- An HTML attachment was scrubbed... URL:

Re: [Sursound] Sounds in Space 2018

Once again, congratulations! I wish I could be there. I’m on the wrong continent. From: Bruce Wiggins Sent: Thursday, February 22, 2018 8:42 AM To: Surround Sound discussion group Subject: [Sursound] Sounds in Space 2018 I'm pleased to announce that this year's Sounds in Space Research

Re: [Sursound] RIR measuring, how to capture a higher order Ambisonic room responce?

order microphone. Eric Benjamin From: Fernando Lopez-Lezcano Sent: Monday, April 23, 2018 1:11 PM To: Surround Sound discussion group Subject: Re: [Sursound] RIR measuring,how to capture a higher order Ambisonic room responce? On 04/23/2018 12:42 PM, Stefan Schreiber wrote: >> I can do

Re: [Sursound] Core Sound Announces OctoMic - First 2nd-orderAmbisonics Microphone

would like a little bit of credit! I realize that Core Sound put in significant effort in making their product. I made the microphone utilize only eight channels because I only can record eight channels. Eric Benjamin From: Jörn Nettingsmeier Sent: Tuesday, March 27, 2018 12:09 PM To: sursound

Re: [Sursound] OctoMic VR 8k Video, New Files on OctoMic Recording Download Page

I’d love to hear the second order version. Sent from Mail for Windows 10 From: Len Moskowitz Sent: Tuesday, November 6, 2018 9:08 AM To: Sursound List Subject: [Sursound] OctoMic VR 8k Video,New Files on OctoMic Recording Download Page Phillip Westbrook posted on Facebook: "A recent

Re: [Sursound] Fwd: audeze

Way too big. Sent from Mail for Windows 10 From: seva, soundcurrent mastering Sent: Monday, December 10, 2018 9:20 PM To: Surround Sound discussion group Subject: [Sursound] Fwd: audeze hi all round, yes, a joke there. anyone have a view on *audeze tetrahedral*? seems like with a 100mm

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

to higher order? I've been asking this question for a very long time. With higher order program material slowly becoming available, perhaps we can find out. Eric Benjamin On Thu, Dec 2, 2021 at 5:57 AM Jens Ahrens wrote: > Hi Fons, hi Nando, > > Please excuse that I’m responding to bo

Re: [Sursound] A comparison of fifteen ambisonic microphones

Where did that facebook discussion appear? I'm interested in the mechanism by which microphone comparisons are made. On Thu, Nov 2, 2023 at 12:24 PM wrote: > We discussed the multiple errors in detail in our Facebook discussion. > > That you didn't correct the comparison study, and actually

Re: [Sursound] Immersive Installation Kew

Unfortunately, your attachment didn't arrive. Perhaps you could post it somewhere and send a link. I'd love to experience your installation but I'm 7,000 miles away. We do have a lot of lovely venues in San Francisco if you decide to take it on the road! On Tue, Oct 18, 2022 at 3:35 AM Augustine