Notebook Tuning

Optimize your system for ultimate performance.

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bluebell
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Notebook Tuning

Postby bluebell » Wed Jul 17, 2019 6:57 pm

Ihave the impression that blacklisting the modules for the built-in USB cam and Bluetooth makes audio processing more reliable.

I put the two attachments into /etc/modprobe.d

blacklist-uvcvideo.conf

Code: Select all

blacklist uvcvideo


blacklist-bluetooth.conf

Code: Select all

blacklist bluetooth
blacklist btrtl
blacklist btintel
blacklist btbcm
blacklist btusb
Linux – MOTU UltraLite AVB – Qtractor – https://soundcloud.com/suedwestlicht

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sysrqer
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Re: Notebook Tuning

Postby sysrqer » Fri Jul 19, 2019 10:35 am

Interesting. Does the bluetooth module keep polling to check for connections normally?

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bluebell
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Re: Notebook Tuning

Postby bluebell » Sat Jul 20, 2019 7:50 am

I have no idea how to measure it. It's about those RT CPU spikes that cause xruns occasionally and force me to use a bigger buffer size. Now my Qtractor projects run slightly better and I can choose somewhat lower buffer sizes without xruns.
Linux – MOTU UltraLite AVB – Qtractor – https://soundcloud.com/suedwestlicht

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khz
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Re: Notebook Tuning

Postby khz » Sat Jul 20, 2019 10:30 am

I turn off everything in the bios I don't need. What is not there doesn't consume any power, doesn't cause any problems.
If you use an AUDIO/MIDI interface deactivate the onboard soundcard in the bios. (PS/2 port, Bluetooth, ... deactivate.)
FZ - Does humor belongs in Music?
GNU/LINUX@AUDIO ~ /Wiki $ Howto.Info && GNU/Linux Debian installing >> Linux Audio Workstation LAW
    I don't care about the freedom of speech because I have nothing to say.

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bluebell
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Re: Notebook Tuning

Postby bluebell » Sat Jul 20, 2019 11:18 am

That's a good idea. But my computer can't. So I have now the following blacklist /etc/modprobe.d/blacklist-audiotuning.conf

Code: Select all

#
# for pro audio tuning
#
blacklist bluetooth
blacklist btrtl
blacklist btintel
blacklist btbcm
blacklist btusb

blacklist uvcvideo

blacklist iwlwifi

blacklist snd_hda_intel
blacklist snd_hda_core
blacklist snd_hda_codec
blacklist snd_hda_codec_realtek
blacklist snd_hda_codec_hdmi


With my USB interface (Ultralite AVB) I can play Videos with Firefox -> Pulseaudio -> jackd with

Code: Select all

jackd -P90 -p512 -t2000 -dalsa -r48000 -p24 -n2 -Xseq -dhw:1

without xruns.

I can even use "jack_bufsize 12" without xruns when I don't do other things (except writing this article) on the computer while playing the video.
Linux – MOTU UltraLite AVB – Qtractor – https://soundcloud.com/suedwestlicht


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