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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Help me understand DSP on Linux? (hexbear.net)

submitted 1 week ago* (last edited 1 week ago) by Andrzej3K@hexbear.net to c/linux@lemmy.ml

4 comments fedilink hide all child comments

And also on computers generally lol.

The situation: I'm trying out Bitwig on my geriatric computer, which is running Linux Mint. It seems that I can't do very much without spiking the DSP, leading to awful glitchiness in playback. However, according to btop, the CPU (i7 4770) load isn't breaking 30%, spread evenly across the cores.

Things I have tried:

uninstalling speech dispatcher, which helped
tweaking the pipewire config, which doesn't seem to have helped much

So... what is the bottleneck here?

EDIT: the (main) issue was that my user didn't have real time priority permissions. An edit to /etc/security/limits.conf has improved things immeasurably.

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[–] the_q@lemm.ee 1 points 1 week ago

What distro? What input device are you using?