Re: [Sursound] Bizarre

2016-11-02 Thread Michael Chapman
>> Sebastià V. Amengual wrote: > > That was one of the main cons. With the four distances that I used in my > measurements (10.44mm, 23.49mm, 48.34mm, 98.35mm) > if we wanted to cover the whole frequency range, we needed at least 3 > microphones with different spacing, and then the > signals could

Re: [Sursound] Stand alone recorder with built-in mics

2016-11-02 Thread Michael Chapman
> >> One of the presenters on the BBC's World Service's technology programme "Click" just came out with words to the effect 'It's not 360 degrees, it's four pi steradians' during a discussionof a (not) 360 degree video of the construction of London's Crossrail. Daring departure from dumbing down

Re: [Sursound] Stand alone recorder with built-in mics

2016-10-31 Thread Michael Chapman
> > This could get interesting : > Could I generously offer a new (candidate) SI unt 1 Chapman = 4 pi steradians less whimsically, 1 Gerzon = 4 pi steraidians the marketing people might be able to cope with that ... or maybe not ... Michael > If one works with an eighth of a sphere ( a 3D

Re: [Sursound] Stand alone recorder with built-in mics

2016-10-31 Thread Michael Chapman
> Hi, > > I presume that the name "720 VR" is for 360 degrees azimuth plus 360 > degrees zenith. > > Ciao, > > Dave Hunt > > This could get interesting : If one works with an eighth of a sphere ( a 3D ?quadrant) then that would be "180 VR" (90 azimuth plus 90 zenith). Stick eight of these togethe

Re: [Sursound] Decode options for WX only

2016-09-14 Thread Michael Chapman
> I've been editing some old B-Format field recordings, one of which was > made > in a very humid climate where there were issues with the mic (ST250); > such > that two channels dropped out completely for some the session. > That almost sounds as if you have two (of four) A channels. That is str

Re: [Sursound] Blue Ripple Sound & SN3D?

2016-09-07 Thread Michael Chapman
> On Thu, Aug 11, 2016 at 10:46:02AM +0100, Richard Furse wrote: > >> What I'm really hoping doesn't happen is that we change convention >> and then some amazing new toy emerges using something different... > > Consider it the other way round: _your_ amazing toys will have > their influence on ot

Re: [Sursound] New FOA recorder

2016-09-07 Thread Michael Chapman
> Looks like the same guts as the Tascam DR-701D? 4 plus 2, but more > cleverly > implemented, what op amps does it use? > > Bit gutted, bought the Tascam recently looking for a budget ambisonic > recording solution that wasn't a Zoom H6, this F4 looks so much better in > terms of design. > Neat i

Re: [Sursound] Ambisonics on the web pt.1: Web Audio FOA/HOA ambisonic objects

2016-06-21 Thread Michael Chapman
> No reason specifically, > I always thought that most people associate B-format with the traditional > 1st-order specification, and maybe the FuMa definition up to 3rd-order. I > wasn’t sure if that’s the common term for general HOA signals. > > So, you think something like HOA B-format is better

Re: [Sursound] Facebook spatial workstation

2016-05-24 Thread Michael Chapman
Aint Wndowxs un peu oassé ! Have 'ad window's on 'inux for (?deacades). Which cud explain why 'indpWs-passé(TM) is not 'indows(R) Michael > Jesus Christ Jorn. > /Lobs grenade. > (; > > On 24 May 2016 at 14:27, Jörn Nettingsmeier > > wrote: > >> On 05/24/2016 01:03 PM, Richard wro

[Sursound] 26 Positions

2016-05-14 Thread Michael Chapman
1) With thanks to Albert Leusink for his encouragement there are now second and third order versions of "26 Positions" at . If anyone can check these on a rig, I would be grateful for comments. There is also a bad French language version (no comments abou

Re: [Sursound] Small multichannel speakers setup

2016-05-12 Thread Michael Chapman
> Hello everyone, > > due to the lack of space in modern houses, I am in need to look for > small speakers to get on with my multichannel projects, here at home and > ideally to bring them with me in small spaces to playback my works. > For my stereo projects I have been using Bose ComputerMonitor:

Re: [Sursound] Multi-channel Audio Interfaces For Ambisonics Playback?

2016-05-11 Thread Michael Chapman
> What are you using as the audio interface for a playback system having > up to 12 speakers?  > > MOTU Traveller (because I had one (got it for recording)) feeding a Behringer 8-ch DtoA (because it was cheap) Gives 18 channels, (The MOTU gives 10 analogue, so you could get 12 by adding -S/PDIF

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

2016-05-11 Thread Michael Chapman
> Thanks to Albert I found: "A Perl script that that 'corrects' the headers on Wave Format Extensible files." It won't solve Aaron's problem, but could be modified. Michael ___ Sursound mailing list Sursound@mu

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

2016-05-11 Thread Michael Chapman
> >> > Stefan >> >> Happy to have mine used (with usual academic courtesies ...). >> (It's on ambisonia, or I can send. >> Am working on a HOA version ...) >> >> Michael >> > >> > > > > > Hello Michael, > > That would be wonderful to have a HOA version of this. I had searched on > your website for

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

2016-05-10 Thread Michael Chapman
> > Here's the problem when writing a video file, FFMPEG appears to use > the channel_mask from the audio file even if a different channel_mask is > specified on the command line. So even when I specified > "-channel_layout > 4.0", the resulting MOV file still had the channel layout set to

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

2016-05-10 Thread Michael Chapman
>> Aaron Heller wrote: >> > https://youtu.be/eY9DMn8pgGA > > On Mon, 09 May 2016 00:02:49 +0100, Stefan Schreiber wrote: >> Well done. >> >> Just one suggestion: As VR is a lot about 3D, you could think about to extend the "8 positions" demo to some equivalent 3D demo. Which probably would be "26

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

2016-05-10 Thread Michael Chapman
> Aaron Heller wrote: > >>Problem solved. Here's the YouTube version of one of the most downloaded file from Ambisonia, AJH_eigtht_positions.amb >> >> https://youtu.be/eY9DMn8pgGA > Well done. > > Just one suggestion: As VR is a lot about 3D, you could think about to extend the "8 positions" d

Re: [Sursound] Storage - how do you do yours?

2016-04-15 Thread Michael Chapman
> A question: > messy and b) a bit of a risk. You want bright ideas, so apologies for string nd sealing wax: 1) If you have everything twice: -in many countries bank safety deposit boxes are quite cheap (for one set) -my solution was to post a set to an understanding aged relative (after the fu

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

2016-02-09 Thread Michael Chapman
> Hi Martin, > > HOA are not limited to icosahedra or only uniform arrangements (which > exist also beyond the 5 platonic solids). Details, please. Michael ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/surs

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

2016-02-09 Thread Michael Chapman
Firstly, I've never got beyond twelve (two stacked hexagons), so ignore my comments at your _non_-peril ;-)> It strikes me, that it all depends on what you want from height : Your initial proposal was with the base ring at ear height. If your vertical 'stuff' is equally 'up' and 'down' you'd be

Re: [Sursound] Dialogue in center channel,,, not always

2016-02-05 Thread Michael Chapman
Peter Lennox wrote : > > maybe we should sponsor some kind of competition, to see how much > spatiallity can be got into (and out of) Dolby atmos. Sounds worth pursuing. . . Michael Don't want to dilute a good idea : but if the above 'flies' how about an annual prize for the film with the

Re: [Sursound] Never do electronic in public.

2016-02-01 Thread Michael Chapman
> I just looked back at sursound mails and michael chapman had pointed out > that the teensy has four channel audio support. > > http://www.pjrc.com/teensy/td_libs_Audio.html > > umashankar > > Must refuse the credit. I just participated

Re: [Sursound] 4-channel Teensy Audio

2016-01-18 Thread Michael Chapman
> The Teensy machine is a nice, very small, processor: 100MHz ARM Cortex > M4, > with a very nice Arduino-based toolchain. > http://www.pjrc.com/store/teensy32.html > > Apparently the latest update to the Teensy Audio Library supports > 4-channel, CD-quality, input and output. I assume this is wi

Re: [Sursound] Sennheiser Easy 3D Recording and Modeling

2016-01-06 Thread Michael Chapman
> On 01/06/2016 06:36 PM, Courville, Daniel wrote: >> « On the capture front, Sennheiser will feature a virtual-reality >> microphone. Unlike traditional microphone designs, the new mic will >> capture high-quality audio in four quadrants. Sennheiser says the mic >> was designed in coordination wit

Re: [Sursound] OT: Opportunities for Study and Funding at the University of Birmingham / BEAST

2015-11-21 Thread Michael Chapman
> And yet another reason - with dialogue in glorious mono on one channel, > dubbing for other languages is super-easy. > > Richard Dobson > Mmm,but if the dialogue is not understandable (loosely, 'inaudible') does that matter? To descend into bad taste : What's the betting the average ISIS video*

Re: [Sursound] OT: Opportunities for Study and Funding at the University of Birmingham / BEAST

2015-11-21 Thread Michael Chapman
David Pickett wrote: > > Which brings us back to why Blumlein invented > stereo. Yet even the IMAX version of Spectre has > the voices all panned centre! Concerning which, > I sat in a good seat (very comfortable!) and was > appalled at the lack of coherence of the sound > generally. I have he

Re: [Sursound] Ambisonic on Matlab

2015-11-09 Thread Michael Chapman
>> > >> > > Dear all, >> > > >> > > We would like to include an Ambisonic lab in our facilities and we >> don't >> > > have experience in applying it so far. >> > > >> > > We are thinking to use a big number of speakers (4th or 5th order) >> but >> we >> > > are still looking for the best or most

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

2015-10-20 Thread Michael Chapman
Fons Adriaensen wrote (Thu, October 15, 2015 6:47 pm) : > On Thu, Oct 15, 2015 at 03:59:46PM +0200, Jörn Nettingsmeier wrote: > >> We've seen all those outlandish claims of magical waveguides that >> are just fractions of the wavelength in diameter and yet shape the >> sound so wonderfully that a 2

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

2015-10-20 Thread Michael Chapman
> Charles Veasey wrote: >> Martin - >> >> To clarify the use of the subs within a tetrahedral array, it would >> require >> the subs to be elevated off the floor? > > At least one, as described by Michael. > I should apologise for the brevity of my respone. The problem (for me at least) is that so

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

2015-10-19 Thread Michael Chapman
> Martin - > > To clarify the use of the subs within a tetrahedral array, it would > require > the subs to be elevated off the floor? Given the weight of most subs, this > seems a bit difficult in practice. Thoughts? > At the worst/best ... only one needs lifting. So just a bit of fishing* line f

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

2015-09-22 Thread Michael Chapman
Many thanks to everyone who replied / made suggestions on- and off-list. Confident a suitable 'mix' from them will do the trick! Regards, Michael ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound -

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

2015-09-21 Thread Michael Chapman
Sorry 'off topic' but as we have so many academic list members ... A hearing-impaired student (not profoundly deaf) is having difficulty with lectures and wants (with the faculty's knowledge) to record them for later listening. I was asked for suggestions. (Why the lecture theatre does not, in 2

Re: [Sursound] Google Files Trademark for ‘360-Degree Spherical Audio’ Software

2015-09-09 Thread Michael Chapman
> It doesn't sound quite the most robust title, really - either > tautologous or self-contradictory? > Strange, a bit like Beechams registering "Beechams Powders" or Coca Cola registering "Coca Cola Lite" or Renault registering "Renault Clito", what's the point Michael > > Richard Dobson

Re: [Sursound] another tasty lookingmulti-channel dsp kit

2015-06-17 Thread Michael Chapman
> Hello all, > > AD have a new dual-core SHARC-based evaluation board (long URL): > > http://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-ADSP-SC589.html > Looks interesting ... The webpage won't give me a price (some browser problem ...), about how

Re: [Sursound] Directional confusion between different B-format players

2015-06-14 Thread Michael Chapman
> I have a problem of directional confusion that depends on which B-format > player is used. Well it could be something subtle ... then again it could be one of those classic coding errors ... ;-) Get Aaron Heller's "Eight Positions" off Ambisonia and massage that through your two bits of softwar

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

2015-05-14 Thread Michael Chapman
> > Thanks, Richard, for your suggestion of ambisonia.com. I started there but > was having trouble downloading the torrent files. (The internet access I > have here (in a shared building) blocks torrent files so I need to > download somewhere else then transfer.) Will continue to pursue this > ro

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

2015-05-11 Thread Michael Chapman
> Hi All > > I am wondering how I go about converting a recording made with a 16 > microphone array into B format? > > I have downloaded the 16 channel recordings of noise from the DEMAND: > Diverse Environment Multichannel Acoustic Noise Database and would like to > play them back through an ambis

Re: [Sursound] 3D Sound Labs Neoh headphones

2015-04-23 Thread Michael Chapman
> Somme clarifications on the discussion below: > > 1. It is indeed possible we are not very clear in our web communication. > The main reason for that is that we try to address the average consumer > and we found out that it is very difficult to explain the various abstract > concepts of ambisonic

Re: [Sursound] 8+ channel players ?

2014-12-10 Thread Michael Chapman
>> > > > Just got a confirmation from A&H. It doesn't play several > tracks in loop mode. Loop mode only > works with two channel audio. > > "Abspielmodi: single,continuous,random,song loop,album loop" at IIRC the manuals are available in English regardles

Re: [Sursound] 8+ channel players ?

2014-12-10 Thread Michael Chapman
> Alexandre Rocca writes: > >> Yes, the device play 1 to 16 channel simultaneously without computer >>(in loop) from an USB stick. see page 21 and 22 and the manual). >> > > Just to clarify the loping track count for the future searches, > the A&H ICE-16 manual does NOT tell that it can loop 16 c

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

2014-11-27 Thread Michael Chapman
> > So "prior knowledge" is not simple - and indeed, dominates our perceptual > performance. Sensory stimuli just serve as updates Peter, This must be why I find it so difficult to persuade people when I am right and they are wrong ("hysteria", did you say?) ... The nice thing, of course is

Re: [Sursound] Molding ears / head - materials

2014-11-26 Thread Michael Chapman
ttle bit - she was not entirely sure how to make an accurate replica of my head :) > > I will look more into the alginate, latex and medical sillicone.. thanks a bunch! :) > > Anyone made A/B testing with e.g. a neumann head and a replica of own ears.. are there a big difference? > &

Re: [Sursound] Molding ears / head - materials

2014-11-26 Thread Michael Chapman
> The resulting head should probably be in Latex, how to take the original > imprint ? maybe plaster of paris? No way. Unless you know exactly what you are doing you risk serious (very serious) burns. (Plaster produces heat as it sets. The hotter it is, the faster it sets. The faster it sets the m

Re: [Sursound] a new UHJ album has been released

2014-11-07 Thread Michael Chapman
<> <> Michael ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe her

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

2014-10-21 Thread Michael Chapman
> On 2014-10-21, Martin Leese wrote: > >> Here is a link to the entire (brief) article: >> http://eandt.theiet.org/news/2014/oct/3d-sound-development.cfm > > So how come Lee isn't on-list already? Perhaps the "_trained_ music technology students" are ? [emphasis added] Michael > -- > Sampo Syree

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

2014-10-21 Thread Michael Chapman
Hopefully there is more to this than there appears to be ... ... "the _impression_ of a three-dimensional (3D) soundfield" [emphasis added] "... vertical width ..." Michael (I did my first programing at Hudds. Tech. in about 1970 ... ... ?Elliott 4100 ...) > On 10/21/14, Martin Leese wrote

Re: [Sursound] [OT] Dating ad surround sound

2014-09-30 Thread Michael Chapman
> Little tip I've found - "ambisonics" and discussion of theory of such has > a strangely hypnotic - soporific, even- effect when used as chat up > material... > OK I'm ditching the romantic novel for a police procedural ... and you've earned yourself a role. "Dr L., the Crown's expert witness, t

Re: [Sursound] [OT] Dating ad surround sound

2014-09-29 Thread Michael Chapman
> As in "I like the Stereophonics: they're a really good band, even though > they're from Wales" as someone with a poor view of the Welsh and who uses > dating services might say... > I thought my knowledge of dating sites was total, but it seems exceeded by my lack of knowledge of Welsh Culture.

[Sursound] [OT] Dating ad surround sound

2014-09-29 Thread Michael Chapman
http://www.theguardian.com/lifeandstyle/2014/sep/28/seven-secrets-of-dating-from-the-experts-at-okcupid>) reports the thirty most British online dating profile words* ... and there amongst all the monosyllables is "Stereophonics" (with a capital 'S'). ... bracketed between 'lecturer' and 'bologn

[Sursound] Piézo

2014-09-15 Thread Michael Chapman
Was invited to an art gallery over the weekend. Some of the 'installations' were sound based : Various objects covered in nails, with (?)ceramic (well piezoelectric, anyway) discs fastened on them. Disappointingly though there were many hundreds of discs, for each 'installation' they were all wire

Re: [Sursound] Splitting a 10.2 file

2014-09-05 Thread Michael Chapman
el * They don't take long to grow ... > > On 5 September 2014 10:30, Michael Chapman wrote: > >> > [?] >> > >> >> I did say 'OT' ... ;-)> >> >> But, if >> sin.wav is a 0.01Hz sine wave, peaking at 1.0 >> and >> c

Re: [Sursound] Splitting a 10.2 file

2014-09-05 Thread Michael Chapman
and pasting bits of various sin.wav's/cos.wav's/etc. into a 'rotate.wav' and making files for higher orders are left as exercises for the reader ... Michael > > On 5 September 2014 09:20, Michael Chapman wrote: > >> >> [OT] >> >> As there has bee

Re: [Sursound] Splitting a 10.2 file

2014-09-05 Thread Michael Chapman
[OT] As there has been some discussion of SoX as a command line file (channel) splitter, I thought I'd also note: You can (as with many audio tools) create slow (e.g. 0.01 Hz) sine and cosine waves as 'audio' files. What is rarer, is that you can multiply two 'audio' files, so you can produce r

Re: [Sursound] Splitting a 10.2 file

2014-09-04 Thread Michael Chapman
> nope at least not nuendo 4 - when you selcet "split channels" it says it > cant do it - I know you can do it with 8 channel stuff. Audacity said the > same. I will tr some of the other solutions on here, thanks guys ;) > best, > Gus > > The SoX page gives:

Re: [Sursound] Splitting a 10.2 file

2014-09-03 Thread Michael Chapman
> Hi, > Does anyone know any software that will allow me to split an interleaved 10.2 file into its separate channels for mixing. I've tried audition and Nuendo to no avail. I'm on a PC at the moment so soundhack is not an option, > best, > Gus SoX : "7 Feb 2013 ...

[Sursound] [OT] Unmixed multichannel spots

2014-08-21 Thread Michael Chapman
I have to give a demo of 'mixing' to a group of schoolchildren ... and don't have suitable raw material. Does anyone know of any libraries of (say) four to eight-channel recordings of musical 'ensembles' (any style), that I could feed to a mixer desk and output as (e.g.) stereo ? (that is tracks

[Sursound] [OT] The more bits the better ?

2014-08-21 Thread Michael Chapman
One of those : 'not so much what they are sayig, but who is saying it' things : which may, or may not, be of interest. . . Michael ___ Sursound mailing list S

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

2014-06-21 Thread Michael Chapman
> Dave Malham wrote: > >> Oh, for cryin' out loud. Makes you want to weep - Microsoft reinventing >> again what's already been done and (most of) the rest of the world >> believing they're the originators... > > I am no fan of Microsoft, but this seems a little > harsh. Quickly producing an approx

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

2014-06-21 Thread Michael Chapman
> Sad but true... > Sorry, but I must take issue, calling Microsoft "sad" is akin to calling a genocide 'unfortunate' !!! > On 6/21/14, 12:08 AM, Dave Malham wrote: >> Oh, for cryin' out loud. Makes you want to weep - Microsoft reinventing >> again what's already been done and (most of) the rest

Re: [Sursound] Advice on Setting up a Listening Room

2014-06-10 Thread Michael Chapman
chael, thank you for your suggestion about getting in touch with > Eric. I will look up his posts later today. > > > On 9 Jun 2014, at 12:15, Richard Furse wrote: > >>> -Original Message- >>> From: Sursound [mailto:sursound-boun...@music.vt.edu] On Behalf Of &

Re: [Sursound] Advice on Setting up a Listening Room

2014-06-08 Thread Michael Chapman
> > The Motu Traveller allows for 8 channels playback direct, or if you use > ADAT as well and a (?cheap Boehringer) ADAT to analogue 'card' you can 16 > ... you can a few more (I seem to remember) by using the headphone 'out' > and a few other sockets it has > > A second thought: I may be

Re: [Sursound] Advice on Setting up a Listening Room

2014-06-08 Thread Michael Chapman
> I am new to the area of ambisonics and sound fields, so please forgive me > if my questions are naive. > > I am looking to create a Listening Room to simulate different "real life > listening situations" as realistically as possible. The purpose is for > testing and optimizing modern day hearing

Re: [Sursound] old Ambisonia links -

2014-05-14 Thread Michael Chapman
> > Jörn, > > Thanks a lot for your generous offer. Last December, Ben Bloomberg also > offered hosting at MIT. So I'm thinking about a hosting model with > HTTP mirrors for more than 35Gb... > > With the HTTP mirroring model, there could be a possibility to > "auto-host" some files. Similarly to

Re: [Sursound] old Ambisonia links -

2014-05-13 Thread Michael Chapman
> On 2014-05-13, J�rn Nettingsmeier wrote: > >> marc, i'd rather mirror the .amb files directly on my server than >> invest the time to maintain a permanent tracking seeder (which i used >> to do many years ago, but it kept breaking). let me know if you need >> the space and/or bandwidth. > > If yo

Re: [Sursound] format

2014-05-13 Thread Michael Chapman
> I am on Window$ 7. Using Eudora for email. The problem is not in > evidence with every posting, but it has been much worse recently. > > David > > At 11:39 13-05-14, Michael Chapman wrote: > >> Does anybody know why I am receiving (only from > >> this lis

Re: [Sursound] format

2014-05-13 Thread Michael Chapman
> Does anybody know why I am receiving (only from > this list and not from any other listservers) > postings without any line-breaks? I find them impossible to read. > Line breaks is different in each of Mac / Linux / the other one. Just a guess . . . Michael

Re: [Sursound] old Ambisonia links -

2014-05-12 Thread Michael Chapman
> > Hi Jim. > > I'm the maintainer for Ambisonia. > > Please contact me in person I know you said the List was not the best place for 'helpdesk', but I thought this one might benefit from a wider audience. Was ADSL the deathknell for BitTorrent (for legit usages), and will fibre-optic be its deat

Re: [Sursound] Sound localisation techniques

2014-04-28 Thread Michael Chapman
> Hello all, > > I'm looking into experimenting with live 3D panning of sound tracks from a > DAW. The tracks will not be in B-format as I do not have a soundfield mic. > I have 8 identical M-audio AV 40 speakers which I will be driving through > an interface and Max/MSP code ( > http://www.icst.ne

Re: [Sursound] Inexpensive USB multichannel sound card

2014-03-31 Thread Michael Chapman
> On 03/31/2014 09:14 AM, Bo-Erik Sandholm wrote: >> Don't ignore the Chinese :-) >> >> http://www.dx.com/p/usb-2-0-7-1ch-optical-sound-card-audio-adapter-white-orange-172008#.UzkSO4XtX5w >> 20 usd inc postage to EU >> http://www.aliexpress.com/item/USB-2-0-CH-3D-7-1-Audio-8-Channel-Sound-Card-Exte

Re: [Sursound] Inexpensive USB multichannel sound card

2014-03-28 Thread Michael Chapman
Interesting . . . Am I reading the manual correctly that one can daisy-chain these units to play (synch-ed) 16, 24, etc. pieces ??? Anyone done that ? Michael > For those that don't read German, there are English versions of the > manuals > in the manuals section... > > Dave > > > On 23

Re: [Sursound] Question about UHJ

2014-03-16 Thread Michael Chapman
y that). But I accept that may be more than you want to do ... Michael > Cheers, > Marlon > > On Mar 15, 2014, at 12:00 , sursound-requ...@music.vt.edu wrote: > >> Message: 2 >> Date: Fri, 14 Mar 2014 16:08:22 - (GMT) >> From: "Michael Chapman"

Re: [Sursound] Question about UHJ

2014-03-14 Thread Michael Chapman
> There is another point - you can recover the B-Format horizontal > information from UHj - so, notionally, using Bruce Wiggins' irregular > decoding, you could display it on 5.1 > Why not make a three/four track ambisonic (B-format) master and make derivatives (such as UHJ) from that ? Marie-Ant

Re: [Sursound] Connecticut could be 1st state to curb loud movies... that exceeded 85 decibels

2014-03-09 Thread Michael Chapman
> http://news.msn.com/us/connecticut-could-be-1st-state-to-curb-loud-movies > > NEW HAVEN, Conn. (AP) - Connecticut could become the first state to curb > loud movies under proposed legislation that's drawing opposition from the > Motion Picture Association of America. > > The legislature's Public

Re: [Sursound] 4 D sound (!)

2014-03-05 Thread Michael Chapman
> Yeah, and stretch and compress. > And warp, and whatever. > > :-) > > Eero > Ah, but, going backwards I always remember one teacher commenting on speech, that you can apply* any standard effect and it is still intelligible, except playing it backwards. Not saying that it couldn't be learn

Re: [Sursound] 4 D sound (!)

2014-03-05 Thread Michael Chapman
> There is no sound without time, so time being a dimension should strictly > speaking always result in a +1 on the dimension count from traditional > accounting... > > Ronald Following Eero's notation, surely we should add + 0.5 D . . . unless we can move back in time Mind you some days I f

Re: [Sursound] 4 D sound (!)

2014-03-05 Thread Michael Chapman
> And now, 4-D sound > > http://createdigitalmusic.com/2014/03/full-immersion-audio-artists-explore-4dsound-spatial-grid-omni-speakers-ableton-max-lemur/ > > X, Y, Z and... > > Dave > Excellent, I've always liked the concept of kiosk/cabin (as in telephone) individual immersion audio.

Re: [Sursound] AmbiExplorer

2014-01-24 Thread Michael Chapman
> Hi Michael, > > I'm sorry that AmbiExplorer didn't work on your daughter's device. If > anyone experiences problems with the app please feel free to email me > directly. I'm more than happy to try to figure out what's going wrong. A > downside of Android development is the overwhelming variety of

[Sursound] AmbiExplorer

2014-01-22 Thread Michael Chapman
Persuaded one of my daughters to download AmbiExplorer --very impressed with what worked! (The rotatig head is great.) However it does not play. It's a few weeks ago, but IIRC we got a status bar (?) and a clock. Besides getting no sound neither of those two budges. No error messages. It was a

Re: [Sursound] Beyond MP3: New push for high-resolution music so clear you can hear a pin drop

2014-01-09 Thread Michael Chapman
Andrew Castiglione wrote: > > http://www.hiresaudiocentral.com/ > Arn't they the folk that rent out stuff for gigs in the Brum area ??? Michael ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] Fwd: Alan Parson's Stereotomy and UHJ

2013-12-10 Thread Michael Chapman
Regarding UHJ channels: I should have said, that in my (limited) experience 'UHJ' means either -all the HJ's (the top four rows in the Wikipedia table) or - what is/was known as BHJ (i.e. two channel). Others may have different experiences ... and almost certainly based on a bigger sample. Anyw

Re: [Sursound] uhj and z

2013-12-10 Thread Michael Chapman
> Is there a technical reason why z is never included in UHJ recordings? > I suppose the simplistic answer to _not_ included would be channel count. As for _never_ included, the table at the base of the 'hierarchy' section of i

Re: [Sursound] DeWolfe Library Music - Ambisonics confusion

2013-12-06 Thread Michael Chapman
> Thanks, interesting about it's status: Dead. Guess that says it all. > Dead in an IP sense, but not dead in a Monty Python sense The patent (hypothetical) on a 'hammer and nail' is dead, but the invention is still useful > > > You know, i don't ever remember seeing it, anyone have

Re: [Sursound] DeWolfe Library Music - Ambisonics confusion

2013-12-06 Thread Michael Chapman
> You know, i don't ever remember seeing it, anyone have it as a jpeg or > png? > Try or even Couple of points: I don't think it is up for grabs. Rather it has become public domain

Re: [Sursound] DeWolfe Library Music - Ambisonics confusion

2013-12-04 Thread Michael Chapman
> At 12:31 04-12-13, Michael Chapman wrote: > > >I would say "ambisonics" is a 'dictionary word' (though I haven't > looked > >in any dictionaries). > > > >Whatever, it has been in use a long time and unprotected. > > It

Re: [Sursound] DeWolfe Library Music - Ambisonics confusion

2013-12-04 Thread Michael Chapman
> How much does it cost to secure either or both? - is there an ongoing > overhead? > > Dr. Peter Lennox > I would say "ambisonics" is a 'dictionary word' (though I haven't looked in any dictionaries). Whatever, it has been in use a long time and unprotected. The withdrawal of the US applicatio

Re: [Sursound] New Ambisonic VST Plugins

2013-11-23 Thread Michael Chapman
> Le 2013-11-22 12:12, Richard Furse a �crit : > >>you should >>also be able to upsample to third order using Svein's excellent HARPEX-B >>plugin, although the public version of that currently generates only >>horizontal components at third order (for compatibility with channel >> count >>limits in

Re: [Sursound] New Ambisonic VST Plugins

2013-11-22 Thread Michael Chapman
> �David Pickett �wrote: > > > >>> How does one record in third order (or indeed any order above first >>> order)?�� >>> What kind of microphone array does one need, for instance, for 3rd >>> order with no height information (WXYUVPQ)?� >>> Is there a "native format" method for HOA or is it all ext

Re: [Sursound] Hector bird recording - SoundCloud

2013-11-21 Thread Michael Chapman
> dear Augustine > > I sent the message from soundcloud so I thought it would include a link automatically. Here it is > http://soundcloud.com/umashankar-manthravadi/hector-bird-recording > Thanks. It probably did, but as a click here which did not come out in the pure text version of/on the list

Re: [Sursound] Hector bird recording - SoundCloud

2013-11-21 Thread Michael Chapman
> seemed to have messed up - deleted the files trying to allow downloads. I > am uploading them again, and here is the link http://sdrv.ms/1baeBAI > "Sorry, something went wrong Please try again. If you keep seeing this message, go to Service status to check whether there's a problem with SkyDrive

Re: [Sursound] Hector bird recording - SoundCloud

2013-11-21 Thread Michael Chapman
> okay here is the link to the B-format files > https://skydrive.live.com/redir?resid=3AEEEA022E2AD294%21227 "This item might not exist or is no longer available This item might have been deleted, expired, or you might not have permission to view it. Contact the owner of this item for more informa

Re: [Sursound] Ambisonic first approach

2013-11-17 Thread Michael Chapman
> --On 16 November 2013 06:31 +0000 Michael Chapman wrote: > >> --fiddling to get the correct one of (?)24 possible permutations of the four capsules to the snake is a ! Especially in dim lighting ... and you didn't bring a lamp ... and ... > > A dab of four coloured

Re: [Sursound] Ambisonic first approach

2013-11-17 Thread Michael Chapman
> On 11/15/2013 07:23 PM, Len Moskowitz wrote: >> J?rn Nettingsmeier wrote: >> >>> the tetra sounds great, but the connectors are very flimsy. >> >> The connectors are all from Switchcraft's Tini-Q (mini-XLR) series, used >> in many professional products and contexts. >> >> In the six years since

Re: [Sursound] Ambisonic first approach

2013-11-15 Thread Michael Chapman
> J?rn Nettingsmeier wrote: > >> the tetra sounds great, but the connectors are very flimsy. > > The connectors are all from Switchcraft's Tini-Q (mini-XLR) series, used > in > many professional products and contexts. > > In the six years since TetraMic was introduced, we've had exactly one > cab

Re: [Sursound] Ambisonic first approach

2013-11-15 Thread Michael Chapman
> In that case for my ambiences and nature recordings unfortunately it > will give me so issues to work with. > Don't think there is _an_ answer for nature recording, though be glad to be proved wrong. Fons' TetraMic+Parabola interests me greatly ... though obviously the output is not periphonic

Re: [Sursound] Linux ambdec b-format channel order

2013-11-14 Thread Michael Chapman
> On Thu, Nov 14, 2013 at 12:00:10AM +, Andy Furniss wrote: > >> I am not experienced with ambdec, but while trying something today I >> noticed something confusing when feeding direct with mplayer - >> >> mplayer -channels 4 -ao jack:port=ambdec pwh-VoiCE-Round.amb >> >> The channels are cross

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

2013-11-09 Thread Michael Chapman
> Can anyone provide a link to an Ambisonics B-format wave file that pin > points at least 6-locations or speakers in the movie 5.1 listening space? > I > would like: Left-Right-Left Side-Right Side, Center, LFE. The suggested > locations are actually for movie 5.1 locations. This ID will allow me

Re: [Sursound] Core Sound TetraMic

2013-11-05 Thread Michael Chapman
> Hi, > > The main problem in the UK is getting away from ambient noise > (traffic, aircraft, people, barking dogs, wind in trees & grass, rain > and other water etc.). Then there's still a residual of Brownian air > motion from everywhere. Apart from frogs if you're patient (or > possibly bees or

Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
> --On 03 November 2013 09:06 +0000 Michael Chapman > wrote: > >> The PP units invert the signal. > > My understanding is that the early ones did, but the later ones are > different and do not. > Paul Hodges Does that mean you can get away with only one (With

Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
A CAT-5 socket (in an XLR housing) on umashankar's Zoom is an interesting possibility ... Michael ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound

Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
> On 11/02/2013 08:51 PM, Michael Chapman wrote: > >> PS The wonders of recording with fifty metres of CAT-5 lead have to be >> experienced !!! > > absolutely. we just used an eigenmike (2nd version, with the handle) off > of a 75m cat6 lead, and it was very convenien

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