On 06/03/2016 02:28 AM, Bob Burton wrote:
Very excited to find out to do this.
In my research, youtube must render the ambisonic files before playing, so
when you live stream, in is stereo.
When you play back later, it can be ambisonic.
Is there someone else who streams ambisonic live?
I did some research just a few weeks ago, and it seemed to me that
real-time ingest wasn't really defined yet, only file upload.
In any case, it is important to record a full surround b-format at the
source, and then the usual usecase it to render to _binaural_, not plain
stereo.
"native" ambisonic playback only makes sense in a CAVE-like environment,
where you have a physical 360° projection.
Note however that while the quality of first-order to binaural is quite
good because the listener is by definition always in the sweet spot,
first-order over speakers can be difficult for multiple listeners when
they're far outside the center.
On Thu, Jun 2, 2016 at 9:13 AM, Antoine Simon <anto...@oxygenstream.fr>
wrote:
Hello,
We would like to use an ambisonic microphone + a 360° camera for live
streaming VR projects.
I know how to stream the 360° video in live for a VR headset like GearVR or
a Cardboard.
But I would like to understand more about how to stream the ambisonic
audio.
*This is what I understood so far (maybe I'm wrong):*
- Ambisonic audio equals to 4 channels in "B" format (W, X, Y and Z)
- The player (client side) need to interpret those 4 channels in "B"
format into a stereo, depending on the VR Headset position into the 3d
space.
*My basic Question:* Do you know an exemple or a way to stream that
ambisonic audio + a player to interpret the stereo depending on the VR
Headset position in realtime?
*My further questions:*
- Can we transform those 4 channels in "B" format into a 4.0 AAC for the
streaming without loosing too much data compared to a WAV PCM?
- How to interpret those 4 channels in "B" format into a stereo,
depending on the VR Headset position into the 3d space?
Thanks in advance for your answers...
Best regards,
*Antoine SIMON*
Live Events Manager, OxygenStream
Mob: +33 698 171 875 | Tel: +33 954 826 133
anto...@oxygenstream.fr | http://oxygenstream.fr
[image: OxygenStream Website] <http://oxygenstream.fr/>
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