using the DSP of the UR22C in Linux

This section is about Steinberg's UR and UR-RT USB audio interfaces product range
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lhnfwrhluwqflh
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using the DSP of the UR22C in Linux

Post by lhnfwrhluwqflh »

Hi,

The UR22C runs plug and play on my Linux installation (manjaro, kernel 5.6.12-1).

But the dspMixFx application won't find my device in wine. Which was to be expected I guess. (https://www.steinberg.net/de/support/do ... _ur_c.html)

If you don't plan to provide the tools/drivers/dspMixFx for Linux, could you please at least open source them? People could try to make it work and provide a running Linux version of it on github, so that the DSP can be used in Linux as well. Creative also has open sourced drivers in the past (https://www.phoronix.com/scan.php?page= ... gift&num=1)

That would be really neat.

Thanks!

lhnfwrhluwqflh
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Posts: 2
Joined: Fri Jun 12, 2020 6:44 pm
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Re: using the DSP of the UR22C in Linux

Post by lhnfwrhluwqflh »

The interface produced clicking noises every few seconds. The main reason probably was that I plugged it into a different port which was USB 2.0. The manual says it has to run from USB 3.0 due to the power requirements.

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Other than that, while it was on the wrong port, I also had temporary success by disabling some power management features that set devices into standby when idle. I tried to disable it completely to avoid such problems forever:

Code: Select all

sudo touch /etc/udev/rules.d/50-usb_power_save.rules
sudo echo 'ACTION=="add", SUBSYSTEM=="usb", TEST=="power/control", ATTR{power/control}="on"' | sudo tee --append /etc/udev/rules.d/50-usb_power_save.rules

sudo sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="/&usbcore.autosuspend=-1 /' /etc/default/grub
sudo update-grub
now reboot

see:
https://stackoverflow.com/a/57327557/4417769
https://wiki.archlinux.org/index.php/Po ... utosuspend

but I still got that problem at some point again. Furthermore, ardour crashed at some point due to "ALSA I/O error".

you can also try to write this https://logfile.ch/linux/2017/06/15/dis ... end-linux/ into /etc/rc.local (which manjaro doesn't have) or into a .service file (as described here https://bbs.archlinux.org/viewtopic.php ... 2#p1701642)

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Playing youtube videos makes pulseaudio switch to 48000hz, which cannot be disabled in my case by configuring /etc/pulse/daemon.conf for some reason (run `pacmd list-sinks` to get sample rates). This change of the sample rate makes the interface go quiet for 2 seconds. It can be avoided with jack2 (jack works as well probably) and cadence https://unix.stackexchange.com/a/593132/227331

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