[ubuntu-studio-users] Audio pop/glitch/crackle issues
mario buoninfante
mario.buoninfante at gmail.com
Thu Dec 15 18:24:54 UTC 2022
New update.
Got back to Xubuntu 22.04 and installed Ubuntu Studio (via the installer).
I'm on kernel 5.15.0-56-lowlatency.
I'm getting the crackle issue when using Jack (setup and started via
Studio Controls).
When using Alsa it's all fine. I tried streaming audio/video (YouTube)
and using Ardour 7.2.
I did change daemon.conf in /etc/pulse like suggested in the kernel bug
ticket.
Cheers,
Mario
On 13/12/2022 12:30, mario buoninfante wrote:
>
> Hi Roy,
>
> Unfortunately that didn't work for me.
> I managed to get rid of the audio crackle thing downgrading the kernel
> (there's a known bug introduced with 5.13.xxxx - see my previous post
> here).
> I still get too many x-runs though, but I started thinking that it
> might have to do with my AMD FirePro W2100 GPU.
>
> Just a guess atm.
>
> While trying to get to the bottom of my initial issue, I also
> installed the AMD drivers for my GPU and that improved the audio
> performance massively. No glitches/distortions even with low buffer
> sizes, but my video was really sluggish.
> On the internet I didn't manage to find any report with mine exact
> conditions, but I found few posts here and there of people having
> "audio issues" introduced by (the lack of?) AMD drivers.
>
> I'll keep the list updated in case I get anywhere with this.
>
> Cheers,
> Mario
>
>
>
> On 11/12/2022 14:52, Roy Damen wrote:
>> Hello Mario, i wonder if you could just do the UbuntuStudio-controls
>> config again. This fixed issues on my machine,
>>
>> Good luck,
>>
>> Roy Damen
>>
>>
>> Op za 10 dec. 2022 om 00:33 schreef mario buoninfante
>> <mario.buoninfante at gmail.com>:
>>
>> I think I might have found the issue
>>
>> https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1966066
>>
>>
>> On 04/12/2022 12:11, mario buoninfante wrote:
>>>
>>> Hi,
>>>
>>> Here's a bit more info and some updates.
>>> I'm running Xubuntu 22.04.1 with Ubuntu Studio (everything
>>> installed).
>>> I'm using a Focusrite Clarett 8pre USB as audio device running
>>> at 96kHz sample rate, 256 sample buffer size and 3 JACK period.
>>> I'm fully up-to-date and the kernel is Linux
>>> 5.15.0-56-lowlatency x86_64 (I think the kernel got updated in
>>> the last round of updates).
>>>
>>> In the last 2 days I unsuccessfully tried to do the following
>>> (in non-particular order):
>>>
>>> *
>>>
>>> uninstall pipewire - too many dependencies, so I gave up on that
>>>
>>> *
>>>
>>> the combo
>>>
>>> o
>>>
>>> systemctl --user stop pipewire.socket && systemctl
>>> --user stop pipewire.service
>>>
>>> o
>>>
>>> systemctl --user mask pipewire.service
>>>
>>> *
>>>
>>> re-install pulse audio
>>>
>>> * in /etc/pulse/default.pa <http://default.pa> I added
>>> "tsched=0" to the line containing "load-module
>>> module-udev-detect"
>>> *
>>>
>>> edit the files in /etc/pipewire/media-session.d adding:
>>>
>>> o
>>>
>>> session.suspend-timeout-seconds = 0
>>>
>>> *
>>>
>>> install pipewire-pulse
>>>
>>> *
>>>
>>> replace pipewire-session-manager with wireplumber
>>>
>>> *
>>>
>>> re-install pipewire-session-manager and remove wireplumber
>>> (this is actually the last thing I tried, so now I don't
>>> have wireplumber anymore)
>>>
>>>
>>> Nothing helped.
>>> Then, after using:
>>>
>>> *
>>>
>>> systemctl --user status pipewire pipewire-session-manager
>>>
>>> I realised I was getting 2 errors:
>>>
>>> *
>>>
>>> mod.rt: could not set nice-level to -11: Permission denied
>>>
>>> *
>>>
>>> spa.v4l2: '/dev/video0' VIDIOC_QUERYCTRL: Input/output error
>>>
>>> I fixed the former adding
>>>
>>> |@audio - nice -20|
>>>
>>> to /etc/security/limits.d/audio.conf
>>>
>>> I didn't manage to address the latter though.
>>>
>>>
>>> The situation seems to have improved, not so much with streamed
>>> audio/video, but with audio only (eg audacious) - it might be
>>> too early to assess this though, since it was a late night move.
>>>
>>> I went from "totally unusable - glitches, pops and crackles 80%
>>> of the played audio", to "getting pops and crackles sporadically".
>>> Still makes my system unusable, since I mainly
>>> record/mix/produce music on my computer, but all improvements
>>> are welcome!
>>>
>>> With audio/video from the internet though (mainly YouTube via
>>> Firefox), I'm still getting terrible performance out of this.
>>>
>>>
>>> Cheers,
>>> Mario
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 02/12/2022 21:09, mario buoninfante wrote:
>>>> Hi,
>>>>
>>>> Recently I started having issues with the audio performance of
>>>> my system (Ubuntu 22.04.1 LTS).
>>>> It seemed to have started after my last update.
>>>> Simply running "top" I noticed I have "pipewire" running and I
>>>> was wondering if that could be the problem.
>>>> I don't know if that has always been installed as I never
>>>> checked before today, but I found online that several people
>>>> are having similar issues both on Ubuntu and Fedora.
>>>>
>>>> Any feedback/recommendation is welcome :)
>>>>
>>>> Cheers,
>>>> Mario
>>>>
>>>>
>>>>
>>> --
>>> ---
>>> musician, QA engineer, mental health first aider MHFA England
>>>
>>> https://isoneph.bandcamp.com/
>>> https://vdof.bandcamp.com/
>>> http://mbuoninfante.tumblr.com
>>> https://vimeo.com/creativecodingsalerno
>>> https://github.com/mariobuoninfante
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