Re: [Sursound] Sursound Digest, Vol 153, Issue 11

2021-05-25 Thread Tom Slater
>
> Message: 2
> Date: Mon, 24 May 2021 13:59:09 +
> From: Mikhail Pozdniakov 
> To: Surround Sound discussion group 
> Subject: Re: [Sursound] Ambisonics for larger spaces
> Message-ID:
> <
> dm6pr10mb3498b9b691f935fdd720a449e5...@dm6pr10mb3498.namprd10.prod.outlook.com
> >
>
> Content-Type: text/plain; charset="windows-1252"
>
> Hi Tom,
>
> I don't have anything useful to contribute on your set of questions, but I
> did have a few for you:
>
> When mixing for this project, did you lie down on the floor of your studio
> to check if the mix works? Going from standing to lieing down will
> effectively make the listeners inhabit 2pi space with all the glories of
> proximity effect on bass/lower mids and lack of rear reflections.
>
> Also, do you use those KEF 107s in your normal workflow? :)
>
> Thanks,
> Mikhail
>

Thanks Mikhail,

Yes I have been checking the mix lying down with the outside ring of
speakers in the floor and lying at the edge of said ring. It's definitely a
very different way of thinking about spatial placement.

I did use the 107s in my normal workflow but only when mixing more
song-based material. I'd usually balance, EQ  and dynamics of several
instruments in stereo first then transfer them individually to the
ambisonic system. I sadly sold them a few months ago though.
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Re: [Sursound] Sursound Digest, Vol 153, Issue 11

2021-05-25 Thread Tom Slater
>
>
> Message: 5
> Date: Mon, 24 May 2021 16:58:03 +0100
> From: Guillaume Le Nost 
> To: Surround Sound discussion group 
> Subject: Re: [Sursound] Ambisonics for larger spaces
> Message-ID:
> <
> camvt1urfyzbyxbxuxbrywg-ka4knne_bqvx_cmosdmdxqk0...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Tom,
>
> Scaling 3D speaker setups to larger spaces is a challenging topic.
> If you are willing to consider hardware processing for the larger space, I
> could only encourage you to consider the L-ISA technology from L-Acoustics,
> that my team develops. It would tick almost all the boxes of your
> requirements:
> - software renderer to work in the studio on speakers or headphones
> (headtracked binaural)
> - hardware renderer for real-time, large-scale performances
> - it includes a "scale simulation" mode to anticipate issues you will face
> when in the larger space (timing issues, precedence issues, speaker
> coverage issues, etc.)
> - it is not Ambisonics based, but object-based
> - 3D panning and 3D room engine
> - DAW friendly with control plugins AU, VST, AAX, mac / windows.
> - Integrates with a 3D speaker design software (Soundvision) to accurately
> design your system for the larger space, including SPL coverage, timing
> metrics, localisation metrics.
>
> Have a quick look at www.l-isa-immersive.com. You will find some more
> details on the technology, but also many stories relating to large-scale
> immersive audio projects, such as the Coachella festival, Panorama
> festival, the UAE National Day, the Tate  Modern Turbine Hall, etc.
>
> I actually live in New Cross Gate (London), not far from your studio, happy
> to discuss your project further !
>
> Guillaume
>
> Thanks Guillaume,


L-ISA is actually on my list of products to consider. It would be great if
we could talk some more. I'm particularly keen to understand how the scale
simulation mode works as my biggest concern is preserving the feel of the
studio mix as much as possible.
I'll contact you directly today.

Best,

Tom
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Re: [Sursound] Matroska (was: ALAC (was Re: WavPack (was: Re: Ambix files)))

2021-05-25 Thread Stefan Schreiber
Dolby Atmos comes in (at least) three different versions, if I would  
have to classify.


The home system can't offer 128 objects, because Dolby Digtal Plus is  
limited to 15.1. (= 15 channels + objects)


(The home system is Dolby Digital Plus + JOC.)

Best regards

Stefan

 Data: Mon, 24 May 2021 21:35:38 +0200

 De: Fons Adriaensen 

 Assunto: Re: [Sursound] Matroska (was: ALAC (was Re: WavPack (was:  
Re: Ambix files)))



On Mon, May 24, 2021 at 08:19:40PM +0100, Stefan Schreiber wrote:


However: <  Will > you mix an Atmos track in this way, in practice? (Doubts

 here.)


Elevated sources are often effects such as the helicopter hovering above.

 You typically don't have too many of them, so it makes sense to encode

 them separately as objects. Given the choice between say 7.1.4 or 5.1

 with up to six objects I'd probably prefer the latter (for movie content

 at least).


(Not to forget that your bed will be probably 5.1, and in the home system

 you don't have sooo many objects to distribute either...)


In theory up to 128 channels... the physical channel is the limit here,

 not the Atmos encoding.


Bonne nuit,


:-) Gute Nacht,



 --

 FA

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- Fim da mensagem de Fons Adriaensen  -
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[Sursound] Fully-funded PhD position in Room Acoustic Modelling

2021-05-25 Thread Picinali, Lorenzo
Dear Colleagues,

apologies for crossposting.

Please see the announcement below from Enzo de Sena (University of Surrey) - 
please get in touch with him directly if you have any questions.



—
FULLY-FUNDED PHD POSITION IN ROOM ACOUSTIC MODELLING
University of Surrey (UK)
Application deadline: 11 June 2021
Start date: September 2021 or shortly thereafter
Funding information: Full tuition fees and stipend at the UKRI rate, currently 
£15,609 for 2021/22. Available to citizens of all countries worldwide.
Industrial partners: Electronic Arts, Sonos, and others

Applications are invited for a fully-funded PhD position at the Institute of 
Sound Recording (IoSR, http://iosr.uk<http://iosr.uk/>) aligned to EPSRC 
project SCReAM (“SCalable Room Acoustic Modelling”).

The project will explore connections between room acoustic models; define new 
unifying and scalable room acoustic models; adapt those models for application 
in e.g. consumer electronics, computer games, immersive media, and 
architectural acoustics.

The Institute of Sound Recording (IoSR) is a leading centre for research in 
psychoacoustic engineering, with world-class facilities and significant funding 
from research councils and industry. Our work combines elements of digital 
signal processing, acoustics, and psychoacoustics (theoretical and 
experimental). Our world-class facilities include industry-specification 
sound-recording studios and edit suites, and an ITU-R BS.1116 standard critical 
listening room equipped with a 22.2-channel reproduction system. The IoSR is 
also home to the Tonmeister degree in Music and Sound Recording, which produced 
a stream of highly successful graduates, including seven Grammy winners, twelve 
BAFTA winners, and three Oscar winners.

Candidates will ideally have a Masters in a relevant discipline and will 
definitely have a 1st or 2:1 Bachelors degree (or equivalent). Candidates 
should be will be able to demonstrate excellent mathematical, analytical and 
computer programming skills. Advantage will be given to applicants with 
experience in one or more of: mathematics, programming, acoustics, 
psychoacoustics, statistical analysis, and especially signal processing. 
Furthermore, candidates will have excellent research skills evidenced by a 
significant Bachelors/Masters research project, involving experimental 
research, appropriate use of the literature and/or computer-based simulations, 
and a formal dissertation-style report.

For more informations about the position and how to apply, see 
https://www.surrey.ac.uk/fees-and-funding/studentships/scalable-room-acoustic-modelling-scream
 . For more informations about the SCReAM project, see 
https://www.scream-project.org<https://www.scream-project.org/>.

Informal enquiries may be made to the project lead, Dr Enzo De Sena 
e.des...@surrey.ac.uk<mailto:e.des...@surrey.ac.uk>.

--
Enzo De Sena, PhD
Lecturer (Assistant Professor) in Audio
Institute of Sound Recording
Department of Music & Media
University of Surrey
Guildford, Surrey, GU2 7XH, UK

Office: 07 BC 03
Email: e.des...@surrey.ac.uk<mailto:e.des...@surrey.ac.uk>
URL: desena.org<http://desena.org/>
Twitter: @EnzoResearch
LinkedIn: https://www.linkedin.com/in/enzodesena
Zoom: https://surrey-ac.zoom.us/my/e.desena


--
Dr Lorenzo Picinali
Reader in Audio Experience Design
Dyson School of Design Engineering
Imperial College London
Dyson Building
Imperial College Road
South Kensington, SW7 2DB, London
T: 0044 (0)20 7594 8158
E: l.picin...@imperial.ac.uk

http://www.imperial.ac.uk/people/l.picinali

www.imperial.ac.uk/design-engineering-school<http://www.imperial.ac.uk/design-engineering-school>
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