--On 19 July 2014 14:59 +0200 Ralf R Radermacher
wrote:
> I'm aware of the various possibilities to do this via an audio
> interface. I'd rather capture the signal in the digital domain.
Many of these interfaces can, through their control programs, do
exactly that.
Paul
t;http://www.blurb.co.uk/b/1356012-michael-gerzon>
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--On 31 July 2014 11:08 -0400 Marc Lavallée wrote:
> The domain is no longer registered.
It is now.
I have asked Stephen's family for permission to rehost the web site; it
is, of course, their copyright (except for a couple of photos which are
mine).
Paul
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can't create one).
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--On 07 August 2014 13:41 +0300 Eero Aro wrote:
> Many Sursounders may not be aware that there are practically
> at all multichannel noise reduction systems available. They are all
> stereo, and can process mono.
Adobe Audition can do noise reduction on multi-channel files.
Paul
o photos on it which are not working, please let me know and
I'll fix it.
Paul
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--On 09 August 2014 23:03 +0100 a...@andynic.eclipse.co.uk wrote:
> Paul Hodges is to be congratulated for giving us this biography of
> Michael Gerzon,
Just to make it clear - this site was created and written by the late
Steve Thornton, from his diaries. I merely appear as an early acto
--On 24 November 2014 21:16 + John Leonard
wrote:
> The MDR-7506 headphones are effectively the same as the MDR-V6, so
> that's probably it.
I don't find binaural demos very effective; and guess what - I use
MDR-7506 headphones!
Paul
ical/recording.html>
Paul
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arantees that the response will be the same in every
> direction in the horizontal plane.
And this is indeed the arrangement I used for my native B-format setup,
as described in the link I gave. As many of my recordings have music
from front and back, it seemed the natural thing to do.
P
mewhere else then transfer.) Will
> continue to pursue this route.
Note that my files from Ambisonia, and John Leonard's, can be
downloaded directly from <http://ambisonic.info/audio.html>.
Paul
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--On 23 May 2015 07:44 -0400 Marc Lavallée wrote:
> Please visit http://ambisonic.xyz/
> using the Chrome browser
Opera works, too (it's now based on the Chrome rendering engine).
Paul
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y I've never noticed
such an effect with VVmic, whether using a TetraMic or my previous
native B-format arrangement.
Paul
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that varies
with frequency, as in the Quad ESL63 loudspeaker...
Paul
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cause I pretended to be
in the US, because only US and Canada can be specified as countries.
Paul
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as in existance then.
Peter Fellgett's patent 1,369,813 was filed in 1971 under the auspices
of the NRDC, and my understanding has always been that his subsequent
collaboration with MAG was under NRDC auspices from the start.
Paul
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--On 08 December 2015 10:22 + Peter Lennox
wrote:
> having problems with our internet access at the
> moment...
(It's because of a severe DDoS on Janet, the UK universities network.)
Paul
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e used each, and again have heard no
decoding problems arising from their use.
Paul
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aul
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the torrent, which originated as AGP162
at<http://www.avantgardeproject.org/torrents/>.
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--On 23 February 2016 00:27 + Gerard Lardner
wrote:
> It does work; I'm listening to it (wierd sound!)
It's only the first few minutes, though. I have the whole two hours as
Flac files.
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6) is also in
an essentially round chapel (but that's close mic'd).
Paul
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--On 17 March 2016 09:30 + Peter Lennox
wrote:
> Well, it looks like an ambisonic mic?
Not much trouble taken to get the capsules as close as possible, though.
Paul
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n of the 3D audio scene."
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here: <http://ambisonic.info/tetramic/rycote/JL.html>
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s, going to the link presents a working
4-channel feed from my default browser (Opera) with no additional
preparation required. As before, their levels for the rear speakers
seem to me to be surprisingly low.
Paul
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It's curious hearing nearly all the applause from the front in a
supposed "surround" balance.
Paul
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--On 25 July 2016 18:20 +0200 David Pickett wrote:
> Yes; but in my experience this is more predictable than how or when
> Murphy will strike!
However, Murphy can strike whatever system you are using, so choosing
one rather than another is no guarantee...
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nothing more to
discuss. The claims for separation seem more than a bit over-egged...
Paul
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I saw that the domain suffix .xyz is available, so on the spur of the
moment I decided to see whether it allows single letter domains, and
specifically whether w.xyz was available. Well, it is, but I won't be
acquiring it as the price I was quoted is €53,306 for the first year!
Paul
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nel - is there any way to gang channels
to ensure the levels track accurately?
Paul
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--On 17 September 2016 02:40 +1000 Luke Smiles
wrote:
> mic, software, cable and fixing tools
Any word about calibration?
Paul
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broadcast applications.
Paul
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p://www.surroundav.org/surround.AV.brochureMay2004.pdf>
Paul
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distant perspective didn't matter as it was a good acoustic
(Walthamstow Town Hall).
Paul
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--On 09 January 2017 19:45 + Augustine Leudar
wrote:
> Is it perhaps available here ?
<http://www.bbc.co.uk/programmes/p032khvk/products>
Paul
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l, but the
content is all there in the text version.
Paul
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shortly be
preparing some comparisons of SPS200 recordings processed using
SurroundZone2 and VVEncode, alongside recordings made simultaneously
with a TetraMic.
Paul
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>> We really appreciate your interest and redistribution!
>>
>> Cheers,
>> Charlie
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7;t get to that without a login:
<https://cassland.org/images/TWDL.png>
Paul
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working is pretty far from obvious!
Paul
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a proper
multichannel Windows driver, but I have been able to use a third-party
virtual audio cable to get around that.
Paul
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-channel
files Windows will use the obvious four speakers, and send the centre
speaker the sum of Lf and Rf.)
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ement is simply that the Windows
default audio device is defined to have a suitable speaker setup.
I've confirmed this with Opera, Chrome, Firefox, Edge and IE 11.
Paul
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idea, sorry.
> The frequency of the updates tempts me sorely!
Well, it happens pretty automatically these days, though sometimes
waiting an extra 15secs for Firefox to update feels like an eternity!
Paul
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tps://cassland.org/sounds/Hanacpachap(TetraMic,FuMa).wav
Note the different file formats.
Paul
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--On 10 April 2018 00:31 +0100 Gerard Lardner wrote:
> The Zoom H2n outputs A-format as two stereo files (wav or mp3)
With the v2 firmware, it generates a four channel B-format wav file to
the Ambix convention.
Paul
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files).
That's "directly" in that I don't have to undertake any further work
myself to reach this point.
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the capsules.
I wonder how the capsules will compare with those on the SPS-200, given
that the projected cost is a mere fraction of that (if the price quoted
in the video is in Australian dollars, then it's only a quarter of the
price of the SPS-2
differences) and the difficulty of precise calibration at low
frequencies.
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4-channel files for distribution).
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de an attempt to analyse the differences from
the TetraMic and the use of SurroundZone which this exposes.
https://ambisonic.info/sps200.html
There will be more updates in coming weeks.
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you've got the latest version.
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TetraVST - Again, you need to use the latest v1.8 which
fixed similar problems.
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we are told will be shipping "quite soon") I
shall attempt to make some crude comparative measurements by recording
a noise source alongside a known microphone.
Paul
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https:
predicting failure in advance (which is not consistent with the reviews
I've seen heard and read).
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ac
Can anyone tell me about this microphone array?
<https://cassland.org/images/query.jpg>
Thanks,
Paul
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--On 28 August 2018 16:45 +0200 David Pickett wrote:
> Fact: It's expensive (8 Schoeps colette cardioid capsules and
> amplifiers = €/$ 12,000)
Well, I'd got /that/ far on my own!
Paul
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ce I recorded in there. Gas heaters on the front of
the balcony produced a lovely hiss, and the track that went onto a CD
needed some careful noise reduction!
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ey think they gain by doing it anyway...
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--On 15 September 2018 18:25 +0100 Phi Shu wrote:
> Noticed Rode are using a little 'TM' now as in A-Format™,
> B-Format™
Actually, they go further, saying:
> SoundField invented the ambisonic microphone, A-Format and B-Format
Umm, I wonder what those other guys did, then.
isonics at home -- minimally as 4.0?
I have a permanent 4.0 setup. Of course, I know various people with
irregularly arranged 5.1 setups - but they have no interest in audio.
Paul
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https://ma
riginal site of Stephen Thornton's diaries at
https://www.michaelgerzonphotos.org.uk/ so that links to it will not
break. I may in due course set up mappings so that links to the old
site are transferred to the new one automatically, but not immediately.
Either way, rest assured that links will be
--On 06 November 2018 12:05 +0200 Eero Aro wrote:
> RX plugins now have a maximum of seven audio channels.
Or as they say: "including Multi-channel support up to 7.1.2 Dolby
Atmos" which looks like ten channels to me.
Paul
--
--On 07 November 2018 16:15 + Bruce Wiggins
wrote:
> VLC should work. They're are ambisonic to 5.0 and 7.0 decoders now
> included..
Since when? They are not in VLC v3.0.4 which claims to be current, nor
does the VLC wiki contain the word Ambisonic.
Paul
--
audio image moves around when you rotate the displayed
image in the browser window. I imagine this is being done at YouTube
in response to the browser passing back the required panning position.
Paul
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und this, though its setup is far from intuitive).
Paul
* OK, there are just a few here if you scroll down a bit:
https://tetrahedral.audio/ta-recording
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There is slightly more description of their A to B-format processing
(but not much) in Rode's blog:
<http://www.rode.com/blog/all/soundfield-plugin>
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ce a stereo file with a four-channel file (why waste bandwidth
on empty channels?). My files are decoded to a square ("quad") speaker
layout, and play just fine in any browser on a system with correctly
set up multichannel audio.
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range of layouts - and Windows will do the most
appropriate mixing to match the channels between the input and the
available speakers. Once set up it all just works.
Paul
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ices (an iPhone and an Android tablet), and the audio was about
250ms out of sync - presumably because of the differing buffering built
in to these devices and their programs.
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letely inappropriate uses. Store the original, and then process as
required using the most up-to-date methods available at the time.
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harge regime for each,
I use a Maha MH-C401FS charger that handles each cell separately, and has a
choice of fast or slow charging regimes; it was when I got it considered
the bee's knees by the photographic world. It was better than the cheaper
ones I had before, but not enough...
Pau
hether the common man finds a switch to full 3D
first-order or to horizontal third-order the greater improvement in effect.
(So far, I have heard only anecdotal answers to this question.)
Paul
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--On 06 May 2011 03:15 + Richard Lee wrote:
The Decoding eqns however, though supposedly coming from the same source,
add an erroneous 1/sqrt(2) factor.
I have corrected these equations on Wikipedia.
Paul
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t is, fully accessible by
now, but some major changes at work have seriously interfered with my time
and distraction levels over the last couple of months. The files concerned
are all hosted on Amazon S3 for fast downloads.
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_
(Sorry for the noise, folks.)
Umashankar - did you get my reply to your private message? Sometimes
Hotmail blocks mail from my personal mail server.
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l of quad, surround and
the early history of Ambisonics, the Soundfield Mic ...
I would like to assure people that this book is beautifully printed and
made, and the photographs (which are the basis of the book) come up even
better than on the website.
Paul
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would appear even if you physically moved the speaker.
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there is
nothing extra to be found - but the reproduction will be less good to the
extent that the sources expected when the 5.1 mix was done are being less
precisely reproduced.
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le from my site here:
<http://ambisonic.info/audio.html> and here:
<http://ambisonic.info/info.html>.
I will make similar pages for anyone else's stuff if they ask me to.
Paul
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s I am
missing, I would love to know, of course!)
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setting up.
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with crossed
ribbons (Burns, The life and times of AD Blumlein, p133), and I understood
this was part of the EMI Stereosonic system (though I'm open to correction
on this).
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I haven't told my system anything
about surround, so it plays in stereo).
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Do any of those who have produced useful VSTs for Ambisonics have plans to
compile 64-bit versions of them? I have now reached the point that half of
my most-used audio programs are available in 64-bit versions, so it's
starting to become relevant.
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.
I wasn't speaking of audio precision at all; I was talking of 64-bit
instruction set and operating system compatibility, which is an entirely
unrelated matter.
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HJ.
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ecided on?
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but also mentions some anomalies (sibilance in a
different position from lower frequencies, for instance). On that basis,
using the "phase modified" linear decoder would seem to be the best choice.
Paul
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--On 27 January 2012 19:01 + Paul Hodges
wrote:
I think it would be pretty safe to assume that all BBC tapes encoded with
H are encoded the same,
I meant to type "H or HJ", of course.
Paul
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--On 27 January 2012 19:01 + Paul Hodges
wrote:
It could well be that the BBC made no change at all to their Matrix-H
encoding as a result of the publication of HJ. H fell within HJ (by
intent) and so continued to be acceptable.
I have (so far) found just one reference to HJ in the
--On 27 January 2012 19:57 + Richard wrote:
But (and I'm playing devils advocate here) how would that account for the
15 degree offset seen when comparing 'H' and 'HJ' recordings
I can't - I've taken a punt as far as I can, and I might be about
--On 27 January 2012 20:20 + Paul Hodges
wrote:
I might be about to trip up
I have, rather.
The paper I just linked to ("System UHJ" by P S Gaskell, Sept 1979
<http://is.gd/MU9ijH> - which I now have a copy of) gives the BBC's then
current encoding matrix fo
g_(polar).png>
"where [theta] = source azimuth measured anti-clockwise from the
centre-front position."
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ree separate balancing
facilities in different places for the same concert.
Enterprises took raw microphone feeds from Radio, but my recollection
is that TV slung their own mics.
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ht
ereas
the original message shows what VVMic displays in the "grid" display (which
has to be selected as an alternative to the "graph" display of the
parameters). My calibration information looks generally similar to those
who has a 5.1 system (with satellite
speakers barely 2" across) has a DVD player that can't play DTS-CDs.
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p in domestic terms.
The price for the software version comes up as "NaN", which doesn't really
inspire confidence, either.
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