[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

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On 2017-10-02T02:39:18+00:00 Nate-b wrote:

Kubuntu 17.04
Pulseaudio 1:10.0-1ubuntu2
Bluetooth device: 
https://smile.amazon.com/VicTsing-Wireless-Waterproof-Hands-Free-Speakerphone/dp/B074DX13T1
 (identifies itself as "C6" by default)

The above Bluetooth speaker paired and started streaming audio perfectly
on my Kubuntu 17.04 system. But the audio quality was poor, because the
default audio profile was the low-quality HSP/HFP one. When I used
pavucontrol to switch it to the A2DP profile, it sounded perfect.

I don't know enough about Bluetooth to suggest a solution, but this is
definitely an issue. My Mac used the correct profile with no
configuration and sound was perfect with no configuration, but my Linux
system didn't, and I had to start a reddit thread and read a wiki page
to learn how to get the device to produce decent audio. This is a sub-
optimal user experience for someone like my wife or my mother, who would
would just assume that it doesn't work and blame the speaker or the OS.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/1


On 2017-10-15T10:31:07+00:00 Tanu Kaskinen wrote:

I agree that A2DP is a better default. I don't know why we have higher
priority for HSP.

Patch submitted:
https://patchwork.freedesktop.org/patch/182709/

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/4


On 2017-10-15T19:43:26+00:00 Nate-b wrote:

Fantastic, thank you!

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/5


On 2017-10-19T20:14:40+00:00 Tanu Kaskinen wrote:

Patch merged to master.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/7


On 2017-11-02T07:20:07+00:00 Daniel van Vugt wrote:

I was just looking at this fix and am not sure it's right...

https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules?id=85daab2725c8964d5e3d07089c4056435022d12e

My reading of the PulseAudio source suggests that lower values are
higher priority, as is often the convention. In that case, wasn't the
code correct before the fix?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/8


On 2017-11-03T09:16:24+00:00 Tanu Kaskinen wrote:

Higher values mean higher priority.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/comments/9

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Launchpad Bug Tracker]

This bug was fixed in the package pulseaudio - 1:11.1-1ubuntu2

---
pulseaudio (1:11.1-1ubuntu2) bionic; urgency=medium

  * Add 0800-fix-lp1720684.patch to ensure the default Bluetooth audio
profile is the higher quality A2DP rather than HSP/HFP. (LP: #1720684)

 -- Daniel van Vugt   Fri, 15 Dec 2017
09:49:25 +0100

** Changed in: pulseaudio (Ubuntu)
   Status: Fix Committed => Fix Released

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Sebastien Bacher]

thanks Daniel, let's see what the feedback is after the new version
lands

** Changed in: pulseaudio (Ubuntu)
   Status: In Progress => Fix Committed

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

Here's the same fix, for bionic.

Unfortunately even with this fix it's too hard for me to tell if it's
any improvement. My system seems to reliably default to the last used
audio profile for the device. Even if I have removed and re-paired the
device. So it seems like the fix at most is only necessary for brand new
devices you've never had on your system before.

** Patch added: "pulseaudio_11.1-1ubuntu2.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/+attachment/5022464/+files/pulseaudio_11.1-1ubuntu2.debdiff

** Changed in: pulseaudio (Ubuntu)
   Importance: High => Medium

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  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Sebastien Bacher]

** Changed in: pulseaudio (Ubuntu)
   Status: Triaged => In Progress

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  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

** Changed in: pulseaudio (Ubuntu)
   Status: In Progress => Triaged

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

** Changed in: pulseaudio (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Changed in: pulseaudio (Ubuntu)
   Status: Triaged => In Progress

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

** Changed in: pulseaudio (Ubuntu)
   Status: In Progress => Triaged

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Sebastien Bacher]

** Changed in: pulseaudio (Ubuntu)
   Status: Confirmed => In Progress

** Changed in: pulseaudio (Ubuntu)
   Importance: Undecided => High

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

** Tags added: pulse11

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

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** Changed in: pulseaudio
   Status: Confirmed => Fix Released

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Bug Watch Updater]

** Changed in: pulseaudio
   Status: Unknown => Confirmed

** Changed in: pulseaudio
   Importance: Unknown => Medium

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

** Also affects: pulseaudio via
   https://bugs.freedesktop.org/show_bug.cgi?id=103058
   Importance: Unknown
   Status: Unknown

** Tags added: a2dp

** Changed in: pulseaudio (Ubuntu)
   Status: Incomplete => Confirmed

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Nate Graham]

I was able to test with a Live USB disk booting Kubuntu 17.10 and I'm
sorry to say that there was no change: the HSP profile was still the
default.

However, I'd also reported this upstream to the PulseAudio folks, and it
looks like they've identified the problem and are preparing a fix:
https://bugs.freedesktop.org/show_bug.cgi?id=103058

** Bug watch added: freedesktop.org Bugzilla #103058
   https://bugs.freedesktop.org/show_bug.cgi?id=103058

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Title:
  Bluetooth speaker used the HSP/HFP profile by default rather than the
  higher-quality A2DP profile

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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Nate Graham]

Thanks for the info. I'll give that a shot and report back.

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  Bluetooth speaker used the HSP/HFP profile by default rather than the
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[Bug 1720684] Re: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile

[Daniel van Vugt]

Bluetooth audio and profile selection is actually the job of pulseaudio,
not bluez (surprisingly).

Also, A2DP has always been preferred over HSP/HFP but the availability
and detection of A2DP has been historically buggy. So the selection
might not turn out as you hope. AFAIK fixes for this already exist in
17.10 and in 16.04:

https://launchpad.net/ubuntu/+source/pulseaudio

Unfortunately it seems 17.04 has been neglected in this area. Although
to be fair 17.04 is also end-of-life soon:

https://wiki.ubuntu.com/Releases

Please try live-booting the latest 17.10 image and tell us if that has
indeed resolved the problem for your hardware:

http://cdimages.ubuntu.com/daily-live/current/

** Changed in: bluez (Ubuntu)
   Status: New => Incomplete

** Package changed: bluez (Ubuntu) => pulseaudio (Ubuntu)

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  Bluetooth speaker used the HSP/HFP profile by default rather than the
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