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Old 03-25-2023, 03:53 AM   #1
777funk
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Default Xubuntu 22.04 - Real Time Kernel (out of the box)?

I'm about to do a fresh install on one of my laptops and remember talk in the old days (maybe even current) about having a real-time kernel. Is this still important? Does it ship with such?

This will be used for VSTi instruments (electric drums and pianos).
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Old 03-25-2023, 04:55 AM   #2
chmaha
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Quote:
Originally Posted by 777funk View Post
I'm about to do a fresh install on one of my laptops and remember talk in the old days (maybe even current) about having a real-time kernel. Is this still important? Does it ship with such?

This will be used for VSTi instruments (electric drums and pianos).
No need to use a realtime kernel these days (for audio at least). Use a low-latency kernel such as one that is available in the Ubuntu repos (linux-lowlatency) or Liquorix (my personal recommendation). For VSTi work I assume you want to run a decently low block size. I also recommend tweaking according to https://github.com/chmaha/UbuntuProAudio. Start by just doing the tweaks at numbers 2,4 & 6 and see how you get on.
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Last edited by chmaha; 03-25-2023 at 05:00 AM.
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Old 03-25-2023, 07:00 AM   #3
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I assume you're actually playing/recording midi in a live fashion? Because if you were only editing midi in the piano piano roll etc there would really be no need to worry about latency at all, imho.

I've never used any kind of special kernel, but I can still get relatively low latencies if I'm not straining the CPU. I very rarely do any live recording, though, so I mostly just use a large buffer size.
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Old 03-28-2023, 08:55 AM   #4
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