gregory.pall...@orange.com wrote:
Hello,
I'm new to this group (even if my colleague Jerome (Daniel) shares sometimes
info about it) so I hope you will excuse my usage of this list for the
following information and questions ...
The MPEG audio group is about to start a standardization process in order to
create a 3D audio codec.
As 3D audio experts, you are welcome to assist freely to the MPEG-H 3D Audio
Workshop in Stockholm on July the 18th (all details here:
http://www.audioresearchlabs.com/mpeg-h-workshop/101-3D-AudioWorkshop.pdf)
...
This codec should have the ability to flexibly render an audio program to an
arbitrary number of loudspeakers with arbitrary configurations.
I think it could be a good opportunity to make it also support HOA format (as input of
the audio encoder, output of the audio decoder, or both), and not only classical
"multichannel" formats such as 5.1, 7.1, 10.2, 22.2...
In this context, could you please send an email before July 11th to
hoamilit...@gmail.com<mailto:hoamilit...@gmail.com> indicating in just several
sentences:
- if you support HOA format as an input of the future 3D audio
encoder, and why (what use-cases?)
- if you support HOA format as an output of the future 3D audio
decoder, and why (what use-cases?)
- please indicate also what is your point of view: content creator,
capturing or rendering device manufacturer, researcher, developer ...
Thank you for sharing this valuable information which should help in militating
in favor of HOA, and sorry for people not interested in my message.
Gregory
PS: Don't hesitate to forward this message to people/organizations/companies
who could also be interested in attending the workshop and/or helping to
militate in favor of HOA.
Hi...
This deadline (11th of July) seems a bit "shortish", I just saw your
mail now (9th of July) ... :-)
Considering usual procedures at Mpeg, they/you prefer to "arbitrate", or
to standardize on a body of known technologies.
In this sense, B-Format is already defined up to 3rd order and 16
channels, including mixed orders.
(just some info)
http://www.ambisonia.com/Members/mleese/file-format-for-b-format/
http://www.york.ac.uk/inst/mustech/3d_audio/higher_order_ambisonics.pdf
- Ambisonics "knows" height since the very beginning, the 70s
- Mpeg already has worked to include Ambisonics (- 2nd order) into the
(over blown, "full") Mpeg-4 multimedia standard, therefore they have to
know this.
- I will send a copy to the indicated e-mail address
Best,
Stefan Schreiber
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