References: Set fragment size for USB sound card C Media usb sound card with Ubuntu 13.04 on a Beaglebone Black C Media USB2. Now, we need to set the C-media driver as the primary audio device on ALSA, otherwise, the input/output will always flow through raspberry pi built-in hardware.Īdd the following line to force ALSA to set C-media driver as the primary audio sudo nano /etc/modprobe.d/nf

I can deal with that if theres no alternative, but Id like to get my mic working, at least. Ive got HMDI sound play through my display. Enabling C-media audio adapter on Raspberry Pi 2020-07Ī while ago, I took one of those really cheap C-media usb audio adapter and to make it work, I had to do the following on Raspbian.Īdd the following lines (this line will load a linux kernel module called 'snd_usb_audio' that will enable kernel to auto-load audio device drivers over usb sudo nano /etc/modulesĪfter this configuration, C-media adapters should be recognised on your raspbian (and, of course, you can always modprobe the driver). Ive got Bir Sur working at 95, but neither my StarTech (C-Media - CM6206) USB sound card or my Blue Snowball USB mic are detected.

C media usb audio device