Bo-Erik Sandholm wrote:
As this was in a session on next gen MPEG format, and header specification in
MPEG among other things...
If I remembers correctly there was a possibility to specify that the audio format was
- WFS
- 5.1
- 7.1
- 22.1
No possibility to carry pure ambisonics using our defined Orders, as far as I
could understand?
Maybe a few more defined to code which decoder to use to parse the sound
streams, is it possible to squeeze in pure ambisonics within WFS decoding?
Here seems to be a lot of info from the ongoing standardization process, among
other things a 3 D sound issue description.
http://mpeg.chiariglione.org/working_documents.php
1. The document is from Januay 2012, so unrelated to the about last two
if not three Mpeg/ITU meetings...
2.
As this was in a session on next gen MPEG format, and header specification in
MPEG among other things...
If I remembers correctly there was a possibility to specify that the audio format was
- WFS
- 5.1
- 7.1
- 22.1
But this is the < existing > Mpeg format, and with exception of 22.2
(was used only for Super Hi-Vision demos, I guess) all "2D only".
Cos the standardization process for 3D Audio is just starting now,
proposal phase...
http://mpeg.chiariglione.org/working_documents/mpeg-h/3d-audio/101-3D-AudioWorkshop.pdf
So: Part 3 of Mpeg-H, which includes HEVC but offers still more...(MMT, 3DA)
Maybe a few more defined to code which decoder to use to parse the sound
streams, is it possible to squeeze in pure ambisonics within WFS decoding?
WFS is (at least currently, and FAPP) not 3D-Audio.
It is envisioned that MPEG-H 3D Audio will provide a highly immersive
audio
experience using either a large number of loudspeakers or headphones with
binauralization, with the aim of rendering a realistic and compelling
3D audio scene.
Sounds like me, by the way... :-)
Best,
Stefan
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