this post was submitted on 20 Aug 2023
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Using KDE plasma, Archlinux, Pipewire, Focusrite 2i2 3rd Gen

Audio from built-in audio and via GPU into display speakers all works fine but audio through my Focusrite is badly distorted, like it is running at super-low quality.

I've spent most of today trying to work out how to make pipewire use the right bit/sample rates. It. This should be a basic GUI feature, and certainly shouldn't need to sudo edit cryptic files to configure this stuff. I use Reaper and I'll need to change bit / sample rates from time to time, so having to make with config files is just nuts. This should be a basic function available in the control panel (Like windows has had for decades). / rant

Anyway, I genuinely want to fix this problem and would really like a GUI tool for it, but a working config edit will do at this point. I can' also make a script to tweak it on demand I suppose.

There is a video that suggests building a new kernel driver for it, which is even more nuts for something so basic.

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[–] Seanwise@lemmy.ca 4 points 1 year ago (1 children)

Hey,

I'm on mobile so I don't have a detailed answer at this time but I had the exact same distorted audio issue. I even thought it may be a lemon 2i2 and got a FR Clarette to replace it.

I could not find a fix with Pipewire but fixed it by uninstalling it for Pulseaudio. Sounds like a step backwards but it now works perfectly

[–] 7heo@lemmy.ml -4 points 1 year ago* (last edited 1 year ago)
[–] Transcendant@lemmy.world 3 points 1 year ago (1 children)

This sounds very much like the problems I had recently with two different brand new interfaces, trying to connect over USB-C. Fortunately they were both bundled with a C-to-A USB cable, which had them both working perfectly.

Over USB-C it was disto city, like when a cable is half-unplugged. I thought maybe it was something to do with the type of USB-C ports my laptop has (one is thunderbolt, one is dual-C / thunderbolt). What sort of cable are you using?

[–] mub@lemmy.ml 2 points 1 year ago* (last edited 1 year ago) (1 children)

Interesting. I'm not using USB C but it is in a 3.2 port so so maybe switching to a 3.0 port will help. I'll give it a go.

Edit: Nope didn't work.

[–] Transcendant@lemmy.world 1 points 1 year ago

Ah well it was worth a try.

I'm guessing then it's a sample rate issue, unfortunately I don't use Linux so don't think I can be of much help there. I know I've had issue before where the interface and windows were both set to a different rate (44.1 / 48) and it caused all sorts of serious sound issues. Hope you figure it out, when I can't figure out an issue with my music setup it drives me nuts!

[–] Synthead@lemmy.world 1 points 1 year ago (1 children)

It's the audio actually clipping from the amplitude being too loud, like distortion on a guitar?

If you're able, you should an example and share it. I am guessing that you're experiencing buffer underruns, and you're recognizing it as something else.

This might help: https://wiki.archlinux.org/title/PulseAudio/Troubleshooting

[–] mub@lemmy.ml 1 points 1 year ago

Not like a guitar distortion. More like robotic low quality sound.