Hi Raphael,
You're right, the distrib. should natively supports USB audio class (2.0 for the Sonosax). The system on the streambox is strictly the minimum, maybe something is missing, but can't find what without a similar device. The one coming with the version 3.1 have one or two years now, maybe try with a newer kernel/system, i.e. the unstable version 4.0.
note, some USB audio hardware is known not to work properly when plugged into USB 3 ports so try USB 2/1 ports instead (in case)
best,
-- stef
On 25 Apr 2021, at 16:46, Raphael Raccuia rafael.raccuia@blindekinder.com wrote:
Hi, I'm installing a RPi 4 with latest Streambox distribution (3.1 stable from locusonus website). All installed successfully, I can access with streambox.local or SSH, but my soundcard is not recognized. It's a Sonosax M2D2 preamp, self-powered, class compliant, which works OOTB on all my Linux systems. I don't see it in "list audio devices":
0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA
Thank you for your help...
rph
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