Re: [Sursound] Bizarre

2016-10-30 Thread Marc Lavallée
on this > http://www.diva-portal.org/smash/get/diva2:752195/FULLTEXT01.pdf > > Best, > Sebastià > > A 30.10.2016 14:41, Jörn Nettingsmeier escrigué: > > On 10/28/2016 08:22 PM, Marc Lavallée wrote: > >> Here’s the link to the first “article": > >> ht

[Sursound] Is the Orah camera really "ambisonic"?

2016-11-03 Thread Marc Lavallée
I received a new marketing email from https://www.orah.co/ I think I asked this question before, about the same product; how 4 MEMs on the side of the camera case can work as an ambisonic microphone? — Marc -- next part -- An HTML attachment was scr

Re: [Sursound] Is the Orah camera really "ambisonic"?

2016-11-03 Thread Marc Lavallée
library. Perhaps they'll be made > available at some point > > > My best, > > > > *Dr Joseph Anderson | Research Scientist* > > DXARTS, Box 353414 > > University of Washington > > Seattle, WA 98195-3680 > > > > http://www.dxarts.washington.edu > &g

Re: [Sursound] Speaker numbering

2016-11-19 Thread Marc Lavallée
If speaker positions are expressed in terms of azimuth, elevation and distance, the numbering could be a function of those 3 parameters. -- Marc Le Sat, 19 Nov 2016 15:03:44 +, Dave Malham a écrit : > Absolutely - there speaks the voice of long experience. Never, never > blindly trust labe

[Sursound] Fwd: [codec] I-D Action: draft-ietf-codec-ambisonics-01.txt

2016-11-21 Thread Marc Lavallée
-- Forwarded message -- De: internet-dra...@ietf.org Date de fermeture: 2016-11-21 6:34 PM réserve de droits: [codec] I-D Action: draft-ietf-codec-ambisonics-01.txt Pour: i-d-annou...@ietf.org Cc : co...@ietf.org > > A New Internet-Draft is available from the on-line Internet-D

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

2017-04-25 Thread Marc Lavallée
The messages sent to sursound can be searched here: https://www.mail-archive.com/sursound@music.vt.edu/ -- Marc On Tue, 25 Apr 2017 17:00:07 -0500 David Worrall wrote: > Hello all, > > > > (I’ve survived moving continents twice since last posting. Now holed > up mit Family in Chicago). >

Re: [Sursound] DIY 4d soundsystem

2017-05-17 Thread Marc Lavallée
Awesome project! Another audio interface suggestion: a TCP/IP network of Raspberry Pis (or similar computers) with 5.1 USB modules (so one Pi per 5.1 surround system). The Pis would be interfaced with netJACK2 with the Opus codec. Not tested... -- Marc On Wed, 17 May 2017 12:41:41 +0100 Augustine

Re: [Sursound] Sonicam

2017-05-26 Thread Marc Lavallée
I notice that although it is a Ambisonic microphone, the audio is rendered as a stereo binaural stream; it's not clear if the Ambisonic stream is available. But often, Kickstarter campaigns are hiding important details to target specific markets. -- Marc On Fri, 26 May 2017 09:14:15 +0100 Steven

Re: [Sursound] Multichannel players for permanent installations

2017-06-27 Thread Marc Lavallée
On Tue, 27 Jun 2017 12:52:41 +0100 Augustine Leudar wrote: > Ive been the computer with multchannel soundcard route and it is not > an experience Id like to repeat. What were the problems you experienced? -- Marc ___ Sursound mailing list Sursound@musi

Re: [Sursound] Multichannel players for permanent installations

2017-06-27 Thread Marc Lavallée
em and remove loads of unessassry > background processes (even linux). > > On 27/06/2017, Marc Lavallée wrote: > > On Tue, 27 Jun 2017 12:52:41 +0100 > > Augustine Leudar wrote: > >> Ive been the computer with multchannel soundcard route and it is > >>

Re: [Sursound] Multichannel players for permanent installations

2017-06-28 Thread Marc Lavallée
The Raspberry PI route is interesting and relatively cheap. There are now 8-channel "hats" like this one: http://www.suptronics.com/miniPCkits/x6000-8.0ch.html and there's even one board with a 4x100W amp in the making. Check all boards: http://www.suptronics.com/boards.html I love my $30 X400 ha

Re: [Sursound] Multichannel players for permanent installations

2017-06-29 Thread Marc Lavallée
The limit is actually more like 13W per device, according to: https://fr.wikipedia.org/wiki/Alimentation_%C3%A9lectrique_par_c%C3%A2ble_Ethernet A Raspberry Pi and a DAC would use 5 to 6W, leaving 7-8W to a D-amp. With efficient loudspeakers (and a few of them), 6W could enough for a small public

Re: [Sursound] Sound Based Composition(surround)

2017-08-17 Thread Marc Lavallée
Available, but not free: http://psycnet.apa.org/doiLanding?doi=10.1037%2Fh0054629 On Thu, 17 Aug 2017 13:05:46 +0100 Augustine Leudar wrote: > My favorite experiment/paper on this subject, which although old, is > still relevant, is "The role of head movements and vestibular and > visual cues i

Re: [Sursound] Sound Based Composition(surround)

2017-08-17 Thread Marc Lavallée
Correct link: http://psycnet.apa.org/record/1941-00108-001 On Thu, 17 Aug 2017 08:14:21 -0400 Marc Lavallée wrote: > Available, but not free: > http://psycnet.apa.org/doiLanding?doi=10.1037%2Fh0054629 > > On Thu, 17 Aug 2017 13:05:46 +0100 > Augustine Leudar wrote: >

Re: [Sursound] Cellphone tetrahedral

2017-08-18 Thread Marc Lavallée
A rigid plastic cell phone cover could be modified to better hold the microphone. At such a low price it looks like a fun toy, and maybe it can be calibrated. -- Marc On Fri, 18 Aug 2017 08:36:33 +0100 Steven Boardman wrote: > http://yun.twirlingvr.com/index.php/home/Lite/lite-en > > They were

Re: [Sursound] Real-time acoustic camera VST plugins

2017-08-19 Thread Marc Lavallée
Hi Symeon. Any plans for open source versions of your next plugins, using the new VST3 engine? -- Marc On Sat, 19 Aug 2017 14:37:32 +0300 Symeon wrote: > Hi all, > > we have completed the first version of a set of VST plugins for an > acoustic camera. It can visualise a sound-scene and overl

Re: [Sursound] Cellphone tetrahedral

2017-08-21 Thread Marc Lavallée
I created an account, but the SDKs are not available without a license (linked to the account I suppose). And the link to the Linux SDK is a blank page... -- Marc Le Mon, 21 Aug 2017 11:42:47 +0100 Paul Hodges a écrit: > --On 18 August 2017 08:04 -0700 mgra...@mstvp.com wrote: > > > Since it

Re: [Sursound] Video + multichannel audio playback

2017-09-03 Thread Marc Lavallée
https://mpv.io/ https://www.videolan.org/vlc/ -- Marc On Sun, 3 Sep 2017 23:04:10 +0100 David Stalling wrote: > Hi, > > Can somebody recommend a straightforward media player that supports > playback of a video file with discrete multichannel audio output > (preferably Linux, alt. Mac OSX) >

Re: [Sursound] Video + multichannel audio playback

2017-09-13 Thread Marc Lavallée
t 7:38 AM, Jörn Nettingsmeier > wrote: > > On 09/04/2017 12:57 AM, Marc Lavallée wrote: >> https://mpv.io/ >> https://www.videolan.org/vlc/ > > > Also, consider using JACK to connect a decoder after the player, so that you > can store your media in portable Ambisonic

Re: [Sursound] Directional / parametric speakers ?

2017-10-04 Thread Marc Lavallée
Hi Augustine. I do have a Soundlazer; I got it 2 years ago. I can bring it from work, play with it a a bit more and report. I remember that it does not sound "good", and it spectrum is limited. Its using some DSP chip with a customizable software. -- Marc On Wed, 4 Oct 2017 23:50:46 +0100 Aug

Re: [Sursound] Directional / parametric speakers ?

2017-10-05 Thread Marc Lavallée
Hi Augustine. I'm trying the SoundLazer now. It can project sound on a surface from which it seems to originate. But the frequency range is very limited, there's no bass, there's distortion (at higher volume), and there's a constant, high-pitched noise. But in a room with some ambiant noise, it

Re: [Sursound] How to find best fit of SOFA files from CIPRIC?

2017-10-06 Thread Marc Lavallée
I'd be very interested to try. Some references (and even source code) would also be much appreciated. -- Marc Le Fri, 6 Oct 2017 22:26:48 +0300 Antti Vanne a écrit: > Hi, > > we use three videos for the reconstruction. One where you go around > the scanned person so that his/her head and shou

Re: [Sursound] B-format tap

2017-10-13 Thread Marc Lavallée
You could stream a download, so to say, with a solution based on the the youtube-dl software: https://rg3.github.io/youtube-dl/ -- Marc Le Fri, 13 Oct 2017 11:44:10 +0100 Steven Boardman a écrit: > Hi Folks > > Does anybody have any information on how to tap the YouTube/Facebook > B-Format st

Re: [Sursound] B-format tap

2017-10-13 Thread Marc Lavallée
is time for me to get that HRTF scan, but then I would also need > the response corrected for my favourite set of cans. > > Cheers > > Steve > > On 13 Oct 2017, at 12:40, Marc Lavallée wrote: > > > > > > You could stream a download, so to say, with a so

Re: [Sursound] B-format tap

2017-10-13 Thread Marc Lavallée
/antoniy/mpv-youtube-dl-binding.git It could be modified to detect ambisonics content and rewire the audio output of MPV to use an ambisonics decoder. -- Marc On Fri, 13 Oct 2017 08:23:57 -0400 Marc Lavallée wrote: > https://addons.mozilla.org/fr/firefox/addon/watch-with-mpv/ > >

Re: [Sursound] B-format tap

2017-10-13 Thread Marc Lavallée
2017, at 1:59 PM, Jörn Nettingsmeier > wrote: > > On 10/13/2017 02:54 PM, Marc Lavallée wrote: >> More about this solution. >> The MPV player (http://mpv.io/) have a youtube-dl backend that allows to >> play youtube videos directly. So first install it, and test it with

Re: [Sursound] B-format tap

2017-10-13 Thread Marc Lavallée
2017 14:22:21 -0400 Marc Lavallée wrote: > A better Firefox(and Chrome) extension should be made to detect > ambisonics content, with editable options like you suggest. I'd be > much easier (and useful for professionals) than trying to embed a > decoder in the browser. That looks li

Re: [Sursound] brahma facebook page

2017-10-16 Thread Marc Lavallée
> On Oct 16, 2017, at 12:08 PM, Courville, Daniel > wrote: > > Is it this page? https://www.facebook.com/BrahmaAmbisonicMicrophones/ > > Does not look like a new page. Here’s the new page: https://www.facebook.com/ambisonics/ Umashankar reminded me that

Re: [Sursound] VR-IF actively seeking feedback on VR-guidelines document

2017-10-16 Thread Marc Lavallée
Same with me, even with a github account. It seems that an invitation is required to access https://github.com/VR-IF/ — Marc > On Oct 16, 2017, at 2:17 PM, Axel Drioli wrote: > > Where can we access the document? It seems like the github link is broken, > is it just

Re: [Sursound] VR-IF actively seeking feedback on VR-guidelines document

2017-10-16 Thread Marc Lavallée
No, we’d have to find how... > On Oct 16, 2017, at 3:12 PM, Axel Drioli wrote: > > Marc did you send the invitation already? > On Mon, 16 Oct 2017 at 19:41, Marc Lavallée wrote: > >> Same with me, even with a github account. >> It seems that an invitation is

Re: [Sursound] ambisonics + video

2017-10-24 Thread Marc Lavallée
Hi Oliver. To my knowledge there's nothing special about muxing more than 2 channels of audio with a video stream. Once a video file and a multi-channel audio file are ready to mux, FFmpeg can do it (MP4Box is also useful for MP4 streams). About mixing codecs: there's cases where the MKV container

Re: [Sursound] ambisonics + video

2017-10-24 Thread Marc Lavallée
FB also have their own specs, and some info can be found here (without a FB account): https://facebookincubator.github.io/facebook-360-spatial-workstation/ -- Marc On Tue, 24 Oct 2017 08:30:54 -0400, I wrote: > Hi Oliver. > > To my knowledge there's nothing special about muxing more than 2 > c

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

2017-10-25 Thread Marc Lavallée
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 example in a AAC or Opus multi

Re: [Sursound] getting the peak frequency from microphone input

2017-10-25 Thread Marc Lavallée
True! This is actually the assignment for this week. :-) I could post the solution here after I succeed, but I’m afraid that would be against the “Coursera honor code”... — Marc > On Oct 25, 2017, at 10:59 AM, Aaron Heller wrote: > > Doing this was one of the programming assignments in the cour

[Sursound] free ambisonics demos

2017-10-31 Thread Marc Lavallée
Here’s a link to free ambisonics demos from asoundeffect.com : https://tinyurl.com/ybwyx48n (valid until tomorrow, not affiliated, etc) — Marc -- next part -- An HTML attachment was scrubbed... URL:

Re: [Sursound] Individualized HRTFs

2017-11-04 Thread Marc Lavallée
I had mine done last week, after a few attempts at shooting a suitable video file (it looks easy to do, but it's not). The resulting 3D model is also not as good as the ones shown in the promotional video, so I will probably try again because I suspect that a better video would help to produce a b

Re: [Sursound] Numinous3D headphone disco

2017-11-26 Thread Marc Lavallée
Hi Oliver. I did not compare both (I yet have to listen to it). But I was able to download the video using youtube-dl. I notice that the audio track have 8 channels, for a total average bitrate of 347 Kbps. That mean only 44 Kbps per channel! Of course the codec is (now) designed for ambisonics, s

Re: [Sursound] HOA library

2018-01-22 Thread Marc Lavallée
On Dave Malham wrote: > Does anyone know where the official website for the HOAlibrary is > now? It should be at www.mshparisnord.fra/hoalibrary but404 > strikes when I click on the link from github > > Dave Last valid snapshot on the wayback machine: https://web.archive.org/web/2017070

[Sursound] ZYLIA workshop @ McGill

2018-01-26 Thread Marc Lavallée
For those in the Montreal (Quebec/Canada) area (not affiliated, etc) http://www.cirmmt.org/activities/workshops/research/workshop-ra1-zylia/ra1-zylia — Marc -- next part -- An HTML attachm

Re: [Sursound] realtime 5.1 streaming over hdmi ?

2018-03-07 Thread Marc Lavallée
You can also use Linux… (maybe it’s not even worth mentioning) — Marc > On Mar 7, 2018, at 3:46 PM, Augustine Leudar > wrote: > > yes LPCM is uncompressed up to 8 channels. As I say in OsX - its easy just > plug and play - from max msp I can send discrete signals to discrete > signals no probl

Re: [Sursound] Ultrasonic speaker that emits 3D sound ?

2018-03-07 Thread Marc Lavallée
There's also this beam forming sound bar: https://www.yarra3dx.com/ (does it work?) -- Marc Le Thu, 8 Mar 2018 00:44:49 + Augustine Leudar a écrit: > From their website : > > “The sound pressure at the ultrasonic focal points is sufficiently > high to radiate audible sound based on the se

Re: [Sursound] realtime 5.1 streaming over hdmi ?

2018-03-07 Thread Marc Lavallée
ious message. Yes, very sadly, Max/MSP is a software lock-in with co-dependencies on hardware and operating system lock-ins. With added externals, the lock-in problem gets even worse. It's easy to understand, but so difficult to explain to most sound artists... -- Marc > On 7 March

[Sursound] (O.T.) Re: realtime 5.1 streaming over hdmi ?

2018-03-08 Thread Marc Lavallée
Le Thu, 8 Mar 2018 09:50:49 + Dave Hunt a écrit: > Hi, > > Mac Minis are not that expensive, though whether they are adequate > depends on how much audio processing is required. > > After set up you may not need a monitor, keyboard or mouse, though > these are fairly cheap and readily avail

Re: [Sursound] Twirling 720 Microphone

2018-03-08 Thread Marc Lavallée
Hi Steven, and thanks for the useful info. The fact that the Twirling720 presents itself as a stereo 96Khz device and the possibility that the 4 channels are "encoded" in 2 channels is very interesting, because it could potentially be used with any computer. I still don't use mine because the Andr

[Sursound] O.T.: installations (was: realtime 5.1 streaming over hdmi ?)

2018-03-09 Thread Marc Lavallée
Hi Gus. True that Windows 10 is horrible, except maybe for the Entreprise version without all the builtin consumer spywares, but I don't think this version is easily available. I tried Windows 10 on a double-boot Android/Windows tablet, and it was so bad that I erased it to keep only Android... I

Re: [Sursound] O.T.: installations (was: realtime 5.1 streaming over hdmi ?)

2018-03-11 Thread Marc Lavallée
on generic tablet PCs don’t seem to work well (at least for me). Yes, HDMI seems to work well on my Android tablet. — Marc On Mar 10, 2018, at 3:23 PM, st...@mail.telepac.pt wrote: > > Citando Marc Lavallée mailto:m...@hacklava.net>>: > >> Hi Gus. >> >>

Re: [Sursound] O.T.: Android (was: installations)

2018-03-12 Thread Marc Lavallée
On Sun, 11 Mar 2018 20:17:38 + st...@mail.telepac.pt wrote: > Citando Marc Lavallée : > > GAFA is the main provider of spyware (a well documented subject). > > At least Android is free software (or “open source”), > > so some versions of Android are free of Google’s s

Re: [Sursound] (a little )help needed for ambisonics museum project

2018-03-27 Thread Marc Lavallée
On Tue, 27 Mar 2018 13:22:38 +0100 Augustine Leudar wrote: > 16 speakers etc ? I would use Reaper if you dont want to spend lots > of cash > - its also very flexible. I use max for this stuff as its totally > bespoke. Pure data is a free version but a steep learning curve and I > dont know waht t

Re: [Sursound] Linux support for Octomic

2018-03-27 Thread Marc Lavallée
Can we expect Octoproc to be released as free software (with a free/libre license like Tetraproc), without requiring to buy an OctoMic? -- Marc On Tue, 27 Mar 2018 21:21:03 +0200 Fons Adriaensen wrote: > Hello all, > > This is to announce that I will support Core Sound's new Octomic >

Re: [Sursound] Curious

2018-04-14 Thread Marc Lavallée
Le 2018-04-14 à 08:46 AM, Fons Adriaensen a écrit : On Sat, Apr 14, 2018 at 01:20:17PM +0100, Augustine Leudar wrote: I don't know if anyone else will get the same effect - but playing this album on my laptop speakers : https://www.youtube.com/watch?v=_8wUKUBAXMk The sound seems to be hoverin

Re: [Sursound] Steinberg and Multichannel files

2018-04-14 Thread Marc Lavallée
Le 2018-04-14 à 01:22 PM, David Pickett a écrit : At 17:51 14-04-18, Fons Adriaensen wrote: >On Sat, Apr 14, 2018 at 05:42:11PM +0200, David Pickett wrote: > >> Incidentally, one of the drawbacks of multichannel wavfiles for HOA is their >> large size for any reasonable length of musical compo

Re: [Sursound] Upcoming update to AmbiExplorer

2018-04-20 Thread Marc Lavallée
Le 2018-04-20 à 02:51 PM, Hector Centeno a écrit : Hi Bearcat, Thank you for your kind words. I would like to add OctoMic support to the TetraFile Android app, and I already had thought about it. It all depends on the source code of the OctoMic version (octofile and octoproc) not having any lic

Re: [Sursound] Upcoming update to AmbiExplorer

2018-04-21 Thread Marc Lavallée
Le 18-04-21 à 10:20, Hector Centeno a écrit : Hello Fons, Thank you for your reply. Those conditions are easy to fulfill and I have no problem sticking to them or any other that facilitate access to the software. The source code you found is the latest. There hasn't been any updates since the

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

2018-04-29 Thread Marc Lavallée
The ESP8266 can work as a wifi hotspot, so there's no need to connect it to a network. That's how many new gadgets are working, and that's what I'm doing now with a Raspberry Pi for a sound installation.  Instead of some Arduino board, I would use a Raspberry Pi to also record the sweeps (and e

Re: [Sursound] octofile release

2018-07-29 Thread Marc Lavallée
Easy to compile, support for FLAC, GPL3 license... Thanks! Marc Le 2018-07-29 à 11:02 AM, Fons Adriaensen a écrit : Hello all, Source code for octofile version 0.3.0 (linux) is now available at Octofile is the A to B forma

Re: [Sursound] octofile release

2018-07-29 Thread Marc Lavallée
ing a large number of independent channels it is expected that they are coded separately and if required, multiplexed together in a suitable container like Ogg or Matroska." Marc Le 2018-07-29 à 02:20 PM, Fons Adriaensen a écrit : On Sun, Jul 29, 2018 at 01:46:04PM -0400, Marc Lava

Re: [Sursound] octofile release

2018-07-29 Thread Marc Lavallée
Le 2018-07-29 à 03:08 PM, Stefan Schreiber a écrit : Citando Marc Lavallée : Excerpt from https://xiph.org/flac/faq.html#general__channels :  "FLAC supports from 1 to 8 channels per stream. Channels are only grouped in FLAC to take advantage of interchannel correlation and to define c

Re: [Sursound] octofile release

2018-07-29 Thread Marc Lavallée
Le 2018-07-29 à 05:56 PM, Stefan Schreiber a écrit : 1. I believe that the opus encoders/decoders have always supported more than 8 channels. Correct, but when encoding 8 or less channels, correlation is applied in ways that are incompatible with Ambisonics; for example, the LFE channel is f

[Sursound] Ambisonics and stereo (was: octofile release)

2018-08-02 Thread Marc Lavallée
I changed the subject. Martin, I like your proposal because the chunks in WAV files (as metadata in source files), could be transferred to transcoded files an used by players (for example by web browsers). That would enable the distribution of multi-channel streams in their native format (Amb

[Sursound] Ricoh TA-1?

2018-08-14 Thread Marc Lavallée
A FOA microphone is sold as an accessory for the Ricoh Theta V 360 camera: https://us.ricoh-imaging.com/index.php/accessories/theta-22/ta-1 Is anyone tried it (yet)? Is it a gadget? Marc ___ Sursound mailing list Sursound@music.vt.edu https://mail.mu

Re: [Sursound] Ricoh TA-1?

2018-08-15 Thread Marc Lavallée
Here's another one with more details: https://www.ricoh-imaging.co.uk/en/product/910754/body/overview/Photo-Accessories.html Marc Le 15/08/2018 à 03:27, Dave Malham a écrit : Here's a page that works in the UK - a quick Duckduckgo found it https://theta360.com/en/about/theta/accessory.html

Re: [Sursound] MEMS SNR Specifications

2018-08-18 Thread Marc Lavallée
Interesting graphs; eigenbeams with higher orders have more low frequency noise, without much impact on beam forming. Marc Le 18/08/2018 à 19:20, Steven Backer a écrit : Following up on the insightful comments from Fons et al. - The increase or decrease in noise relative to the self-noise of

Re: [Sursound] A mic array I don't recognise

2018-08-20 Thread Marc Lavallée
It looks like an array of 4 X-Y or Blumlein pairs (depending on the pattern of the microphones). Marc Le 20/08/2018 à 17:20, Emanuele Costantini a écrit : Judging by the Ambeo nearby it looks like an experimental IRT or double ORTF in "360" mode. On 20/08/2018 21:17, Paul Hodges wrote: Can

[Sursound] OT: email client settings

2018-08-20 Thread Marc Lavallée
Dear list users. My email address appeared in a reply to the latest thread. Email clients should not include email addresses in attributions (when replying). One possible way to avoid it is to turn off HTML when composing messages. Thanks for your attention. Marc __

Re: [Sursound] OT: email client settings

2018-08-21 Thread Marc Lavallée
es in the body of my replies (to email lists). Please excuse my quasi-useless and very OT intervention; I'm aware that fighting spam is a lost cause (like trying to avoid plastic or stop global warming). Marc On Mon, Aug 20, 2018 at 5:53 PM, Marc Lavallée wrote: Dear list users.

Re: [Sursound] Zoom H3-VR

2018-09-13 Thread Marc Lavallée
Le 13/09/2018 à 14:04, Courville, Daniel a écrit : New tetrahedral mic and recorder from Zoom: https://www.zoom.co.jp/products/field-video-recording/field-recording/zoom-h3-vr-handy-recorder I just read the quick guide pdf document (which is only 16 pages long). It has nice features; notably i

Re: [Sursound] Zoom H3-VR

2018-09-15 Thread Marc Lavallée
Le 15/09/2018 à 06:19, Eero Aro a écrit : David Pickett wrote: This is a welcome price, but unfortunately, for that kind of money you dont get any numerical specifications, graphs, or guarantee of capsule matching, repeatability or variance between examples, all of which determine its potent

Re: [Sursound] OT: email client settings

2018-09-15 Thread Marc Lavallée
I just want to apologize for my last post to the list: I used an improperly configured email client, so all email addresses are in clear in the message body. The one I'm using now is Thunderbird (because the Mozilla foundation care about such things). Le 21/08/2018 à 08:45, Marc Laval

Re: [Sursound] Zoom H3-VR

2018-09-15 Thread Marc Lavallée
Le 15/09/2018 à 14:17, Fernando Lopez-Lezcano a écrit : [*] find and buy all components, 3d print all parts, make or order PCBs, assemble printed circuit boards (you need pretty good soldering skills), connect everything together (again, good manual dexterity), find a space for doing the calib

Re: [Sursound] Zoom H3-VR

2018-09-16 Thread Marc Lavallée
Le 16/09/2018 à 05:45, Eero Aro a écrit : Ralf R Radermacher wrote: Methinks their marketing department know quite well what they're doing. I could come up with a dozen things they could have done better or differently with their other portable recorders. Still, they're selling like hot cake

Re: [Sursound] Zoom H3-VR

2018-09-16 Thread Marc Lavallée
Le 16/09/2018 à 12:45, Ralf R Radermacher a écrit : Am 16.09.18 um 15:52 schrieb Marc Lavallée: I always read that calibrating an Ambisonics microphone is precisely what makes it Ambisonics. I've just had a look on Rode's website and can't find the slightest hint about calibr

[Sursound] Ambisonics support in Opus (Fwd: [opus] Four new releases)

2018-09-19 Thread Marc Lavallée
Message transféré Sujet : [opus] Four new releases Date : Wed, 19 Sep 2018 01:23:17 -0400 De :Jean-Marc Valin Pour : o...@xiph.org Hi everyone, I'd like to announce four new releases: - libopus 1.3-rc2 - libopusenc 0.2 - opusfile 0.11 - opus-tools 0.2 Essenti

Re: [Sursound] Any Second and Third order Demo files available ?

2018-09-26 Thread Marc Lavallée
One source of HOA files are the Eigenmike demos: https://www.mhacoustics.com/demos The raw files can be converted to B-format using the EigenStudio software: https://www.mhacoustics.com/download It's a bit tedious, but it should work. Marc Le 26/09/2018 à 17:09, Bo-Erik Sandholm a écrit :

Re: [Sursound] openairlib website down?

2019-01-07 Thread Marc Lavallée
The server is not answering. Because www.openairlib.net is an alias for openair.york.ac.uk, you could maybe contact York. https://doi.org/10.15124/d0483441-24cb-4f34-9e48-8e651781cad3 If you're only looking for some of its data, there's a mirror on github: https://github.com/UoYWEAVER/OpenAirL

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Marc Lavallée
Le 2019-01-11 à 8:58 a.m., Oddity Medium a écrit : We're interested in making a website/app that uses multiple independent speakers as multichannels. Lets say you have two laptops and two phones, so you have four (mono) speakers you can place around the house in a square or rectangle. So to get

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Marc Lavallée
Back then (4 years ago) I made a script to create compressed version of ambisonics files from source .amb files. It was rendering m4a and opus files with any numbers of channels (like 3 channels for horizontal-only FOA). It was using the channelx and interlx utils from the MCTools suite to extr

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
Le 2019-01-12 à 12:26 p.m., aswath Prabhu a écrit : Re: Publishing music in ambisonics This is further to my post asking about online portal to stream and post ambisonic content. Well, i searched a little and found this... Looks like development has stopped but i guess it can be further dev

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
Le 2019-01-12 à 3:03 p.m., David Pickett a écrit : At 20:33 12-01-19, Marc wrote: What seems to be still missing (but I could be wrong), is a "standard" standalone ambisonics audio player. If such a player could play and decode ambisonics audio streams (hosted on a audio streaming web site),

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
27;m a bit late learning it now). I installed VLC 3.0.6 but I don't know where to get sample files (or streams) in the Facebook format. Does it also support Ambix and Opus files? Marc Bosse On 12 Jan 2019 21:52, "Marc Lavallée" wrote: Le 2019-01-12 à 3:03 p.m., David Pickett a

Re: [Sursound] Passive small speaker advice

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 7:01 a.m., Richard Foss a écrit : Bruce, considering that price is an issue for you, you could look at the miniDSP SPK-4. It has an interesting cousin, the SPK-4P. The SPK-4P is an Ethernet AVB-capable speaker, and can get power, audio and control over the Ethernet cable. This

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-12 à 9:01 p.m., Stefan Schreiber a écrit : Decoding in the browser would be for casual use, mostly for binaural listening, but decoding to speaker arrays would be nice, for exemple with 5.1 system (as a 4.1 system with a square or rectangular setup). - - - Why would you not be abl

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 3:58 a.m., Bo-Erik Sandholm a écrit : The VLC supports ambix coded soundfield, there is somwhere a multimedia version in the works that will make it possible to use headtracking according to the VLC main developer. Bosse I installed VLC (3.0.6 Veritani) on my Linux laptop, and

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 12:58 p.m., Marc Lavallée a écrit : I installed VLC (3.0.6 Veritani) on my Linux laptop Oops, I meant "Vetinari"... Marc ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinf

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 8:20 p.m., Stefan Schreiber a écrit : Spatial media metadata not only for Youtube: https://github.com/google/spatial-media https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md However, what is the source for HOA metadata? I am not sure that there is

Re: [Sursound] Impressive transaural demo

2019-01-18 Thread Marc Lavallée
This helicopter demo does work! But it works better when controlling first reflections. Something else that works *really* well is BACCH-dSP. Marc Le 2019-01-18 à 1:42 p.m., Augustine Leudar a écrit : anyone heard any other transaural demos that are work, or kinda work ? On Fri, 18 Jan 2019

Re: [Sursound] Impressive transaural demo

2019-01-19 Thread Marc Lavallée
rs. Marc Le 2019-01-19 à 11:09 a.m., Augustine Leudar a écrit : This looks really interesting Marc - are there any demos I could hear online ? or does it need specific hardware to work ? On Fri, 18 Jan 2019 at 21:24, Marc Lavallée wrote: This helicopter demo does work! But it works b

Re: [Sursound] Hardest wearing outdoor speakers

2019-01-24 Thread Marc Lavallée
What about transducers? Something like: http://www.daytonaudio.com/index.php/exciters-buyers-guide Marc Le 2019-01-24 à 6:52 a.m., Augustine Leudar a écrit : Hi John I'm aware of a lot of outdoor speakers and technical considerations. I've used acoustic energy extreme 5s for the same thing but

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
Sean, You can use the youtube-dl script (https://rg3.github.io/youtube-dl/) to download only the appropriate audio stream. Here's how I was able to use it. First I inspected the available formats: youtube-dl -F "https://www.youtube.com/watch?v=bKV1IS-ATmQ"; I identified 3 formats providing F

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
lan to try). Marc Best, Stefan Citando Marc Lavallée : Sean,  You can use the youtube-dl script (https://rg3.github.io/youtube-dl/) to download only the appropriate audio stream. Here's how I was able to use it. First I inspected the available formats:  youtube-dl -F "https://w

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
Le 2019-02-18 à 12:16 p.m., Stefan Schreiber a écrit : (intertangling B format and the non-diegetic stereo track) I have sometimes the impression that the typical Google programmer does things in a way he/she wants... Stefan LOL! "Sometimes", applied to a GAFAM, is an aphorism... :-) But

Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-05-27 Thread Marc Lavallée
Le 27/05/2019 à 20:55, Aaron Heller a écrit : The soundbars I've heard sound like they use crosstalk cancellation (aka transaural stereo) to achieve surround effects. I believe the work of Edgar Choueiri and his students at Princeton represents the state of the art in that area. https://www.

Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-05-28 Thread Marc Lavallée
Last year I hacked a "low latency" (~100ms) stereo RTP streaming software between OSX and a Raspberry Pi. A possible solution would be, as Bo Erik suggested, to stream 4-channel on a musticast wifi network, then decode it on 4 RPIs (or similar boards), making sure they are in sync (using PTP).

[Sursound] wifi audio (was Re: Deconstructing soundbar marketing B.S.)

2019-05-28 Thread Marc Lavallée
@mstvp.com http://www.mgraves.org o(713) 861-4005 c(713) 201-1262 sip:mgra...@mjg.onsip.com skype mjgraves -Original Message- From: Sursound On Behalf Of Marc Lavallée Sent: Tuesday, May 28, 2019 7:20 AM To: sursound@music.vt.edu Subject: Re: [Sursound] Deconstructing soundbar marketing B.

Re: [Sursound] wifi audio (was Re: Deconstructing soundbar marketing B.S.)

2019-05-28 Thread Marc Lavallée
@mstvp.com http://www.mgraves.org o(713) 861-4005 c(713) 201-1262 sip:mgra...@mjg.onsip.com skype mjgraves -Original Message- From: Sursound On Behalf Of Marc Lavallée Sent: Tuesday, May 28, 2019 10:37 AM To: sursound@music.vt.edu Subject: [Sursound] wifi audio (was Re: Deconstructing soundba

Re: [Sursound] wifi audio (was Re: Deconstructing soundbar marketing B.S.)

2019-05-28 Thread Marc Lavallée
e mjgraves -----Original Message- From: Sursound On Behalf Of Marc Lavallée Sent: Tuesday, May 28, 2019 12:40 PM To: sursound@music.vt.edu Subject: Re: [Sursound] wifi audio (was Re: Deconstructing soundbar marketing B.S.) Le 28/05/2019 à 13:20, mgraves mstvp.com a écrit : Marc, I'm wel

[Sursound] An Atmos binaural album (was: Re: Deconstructing soundbar marketing B.S.)

2019-05-29 Thread Marc Lavallée
As an example, Dolby Atmos technology was used to master and render a recording of Ice Field by Harry Brant, a spatial orchestral composition: https://www.sfsymphony.org/brant Unfortunately I can't download or stream the full album (rendered in binaural stereo) because it doesn't seem to be av

Re: [Sursound] Minim AD7 for sale

2011-04-30 Thread Marc Lavallée
LSat, 30 Apr 2011 21:39:56 +0100, "Richard" wrote : > Many thanks for that priceless info, shame the paper isn't available Here it is (for a fee): http://www.aes.org/e-lib/browse.cfm?elib=4419 > : > This is described in MAG's 1985 JAES article; > look at Appendix A3.1.2 "Simplified UHJ >

Re: [Sursound] Minim AD7 for sale

2011-04-30 Thread Marc Lavallée
Sat, 30 Apr 2011 21:57:33 +0100, "Richard" wrote : > Seems you need to be a member It's $20 for non-members. > LSat, 30 Apr 2011 21:39:56 +0100, > "Richard" wrote : > > > Many thanks for that priceless info, shame the paper isn't > > available > > Here it is (for a fee): > http:/

Re: [Sursound] Minim AD7 for sale

2011-04-30 Thread Marc Lavallée
Sat, 30 Apr 2011 15:50:19 +0100, Richard Dobson wrote : > The preoccupation on this list has always been the pursuit of > "the best possible", defined as mm-perfect localization over a more > or less large area, with cost and number of speakers no object. Then why not start a dedicated forum (

Re: [Sursound] Minim AD7 for sale

2011-04-30 Thread Marc Lavallée
Sun, 01 May 2011 01:44:38 +0100, Stefan Schreiber wrote : > Gerard Lardner wrote: > > >Perhaps something on the lines of a PlugComputer running Plug > >Ubuntu, a USB sound card, Linux software packaged for simple use and > >having a web control interface, and an iPhone app to control it all? > >

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