*** This bug is a duplicate of bug 1838151 ***
https://bugs.launchpad.net/bugs/1838151
Sorry, I should have noticed this earlier. A2DP does not support
microphones. If you want to use a microphone then yes it will switch to
low quality HSP mode. This is not a bug, but is a limitation in the
Bluetooth spec. Everything is behaving correctly...
But something better is on the way, so I will mark this as a duplicate
of bug 1838151.
** This bug has been marked a duplicate of bug 1838151
Poor quality audio with modern Bluetooth headsets in HSP/HFP. Missing wide
band speech support.
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https://bugs.launchpad.net/bugs/1868286
Title:
Disable A2DP when switch input device
Status in bluez package in Ubuntu:
Incomplete
Status in pulseaudio package in Ubuntu:
Incomplete
Bug description:
Hi,
How to reproduce:
1) Connect the headset via Bluetooth
2) Automatically will use A2DP (until here everything ok)
3) Go to sound settings, will be the "internal microphone" selected. Switch
to use the microphone of the headset and will switch to low-quality audio HSP
Happens with the upgrade: bluez:amd64 (5.50-0ubuntu4 ->
5.50-0ubuntu5). Before that upgrade, everything was working fine. Only
the automatic selection of A2DP fails sometimes but the microphone and
A2DP were possible to use. After the mentioned upgrade to
5.50-0ubuntu5, it's just impossible to use the microphone and the A2DP
audio at the same time.
When I do the switch in the input device in the syslog it's the
following message:
kernel: Bluetooth: hci0: SCO packet for unknown connection handle 0
I tried to downgrade to 5.50-0ubuntu4 but didn't work, the A2DP is not
usable at all.
pulseaudio[8370]: Refused to switch profile to a2dp_sink: Not
connected
Description: Ubuntu 19.10
Release: 19.10
Device: LE_WH-H900N (h.ear)
Regards,
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