[LAU] How to play multiple bluetooth (BT 4.0) audio receiver ?

From: Winfried Ritsch <ritsch@email-addr-hidden>
Date: Wed Aug 16 2017 - 20:38:04 EEST

Hello,

I just did some research but couldn't find any satisfying answer and I am not
an BT specialist. So before digging deeper in the BT-world I want ask here if
anybody already has an solution and if it could work theoretically ?

Here my state of research:

Since BLuez >= 5.0 dropped ALSA [1] I tried using pulseaudio (can route it
trough jackd). I connected a BK8000L module (sure hifi) via bt-manager and
pulseaudio works fine. I try to connect a second, the first one gets
disconnected so only one is audio device seems to be possible at the same
time.

As a second solution I tried the alsa implementation: bluez-alsa [2], but
I didn't succeed to use it via jackd (didnt try hard) and it has the same
behaviour with aplay on an first try on command line.

Any ideas are appreciated.

mfg
 winfried

Purpose: simple distributed audio-system adding BT speaker for sound
installations, the first try two BT-Speaker used each mono, forming a stereo
pair.

[1] https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?
id=4ff9b99292eca193dc0c149722328cb0b1ab0818

[2] https://github.com/Arkq/bluez-alsa

-- 
--
- ao.Univ.Prof. DI Winfried Ritsch 
- ritsch@email-addr-hidden - http://iem.at/ritsch
- Institut fuer Elektronische Musik und Akustik
- University of Music and Dramatic Art Graz
- Tel. ++43-316-389-3510 (3170) Fax ++43-316-389-3171 
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Received on Thu Aug 17 00:15:01 2017

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