Le 28/05/2019 à 10:48, mgraves mstvp.com a écrit :
Marc,
This is very interesting to me. Did you do this using Wi-Fi or some other
wireless scheme?
What I've been seeking is a low-cost, low-latency wireless solution for a
headset.
We have good, full-bandwidth solutions for wireless microphones. Also for
wireless performance monitors. Nothing that combines these functions.
Hi Michael.
My hack was not bidirectional (it could be), but I suspect that the
WebRTC standard could be used on a phone, a small standalone computer or
some of the newest iOT micro-controller with Wifi and full-duplex audio.
I have no idea how "better" it would be compared to available Bluetooth
headsets. And it would not be cheaper... A good start would be to design
an Android WebRTC app for your specific use case, and maybe this app
already exist.
Marc
Michael Graves
mgra...@mstvp.com
http://www.mgraves.org
o(713) 861-4005
c(713) 201-1262
sip:mgra...@mjg.onsip.com
skype mjgraves
-----Original Message-----
From: Sursound <sursound-boun...@music.vt.edu> On Behalf Of Marc Lavallée
Sent: Tuesday, May 28, 2019 7:20 AM
To: sursound@music.vt.edu
Subject: Re: [Sursound] Deconstructing soundbar marketing B.S.
Last year I hacked a "low latency" (~100ms) stereo RTP streaming software
between OSX and a Raspberry Pi. A possible solution would be, as Bo Erik suggested, to
stream 4-channel on a musticast wifi network, then decode it on 4 RPIs (or similar
boards), making sure they are in sync (using PTP). This is on my long list of things to
try, but I would need a specific project to kick-start this exploration. I'm in the
process of setting up a 4-channel system in my home office (using two
2.1 DIY "multimedia" system), so it's a good start. We could wait for the industry to
provide something usable, but it would be proprietary, "professional", and expensive
(because of the super-specific gold-plated hardware, patents, shareholders, marketing, logos, slick
web sites, religious beliefs, etc). Also (who knows) maybe it's already possible to do it using the
jack2 software suite.
Marc
Le 28/05/2019 à 07:40, Augustine Leudar a écrit :
Weve tried local wifi networks at shows before but it was a bit
unreliable for droppouts etc then again so is Bluetooth. FOr home us it would
be fine.
Four plug sockets might be a bit more doable than audio cables as well.
Wasn't there someone on here who was doing something DIY with the
rasberry pie ? Anyway it would nice to bring something commercially viable to
market.
On Tue, 28 May 2019 at 09:39, Bo-Erik Sandholm <bosses...@gmail.com> wrote:
The Speakers won't be wireless as you probably want them to be powered.
But it should be easy with bluetooth 4.0 or Wi-Fi direct to create a
solution.
Normal Wi-Fi could be used.
The low cost esp8266 makes this possible in a diy setup...
Stream a 4 channel audiostream to the 4 speakers.
Have a switch on each speaker to select which channel it will playback.
Could possibly be solved by streaming 2 stereo channels on 2
different ip ports over WiFi instead. 😎
Bo-Erik
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