![]() The one that works for me is plughw:Device. The first one, ALSA is the id of the Raspberry's sound chip, the second one with id Device is my cheap USB sound card dongle. Hardware device with all software conversionsĢ.1 Surround output to Front and Subwoofer speakersĤ.0 Surround output to Front and Rear speakersĤ.1 Surround output to Front, Rear and Subwoofer speakersĥ.0 Surround output to Front, Center and Rear speakersĥ.1 Surround output to Front, Center, Rear and Subwoofer speakersħ.1 Surround output to Front, Center, Side, Rear and Woofer speakers Removing the index=0 nrpacks=1 from the snd-usb-audio line in /etc/modules and rebooting finally fixed so that my usb audio device now is the default card 0 and has so far stayed that way.ĭiscard all samples (playback) or generate zero samples (capture)ĭirect hardware device without any conversions This broke the usb-audio module loading, giving a failed loading of it at the next reboot. Still nothing happened after a reboot (but again enforcing update of the modules order - sudo update-modules might have fixed this without the next "mistakes") and I was getting frustrated so I again modified the /etc/modules file and added the index=0 nrpacks=1 to the snd-usb-audio line. Also I added a line at the bottom of that file reading I changed the line containing the options for snd-usb-audio index of -2 to now be 0 instead. card 1: default C-Media USB Headphone Set, device 0: USB Audio USB Audio Subdevices: 1/1. Ubuntu still recognises the hardware but no sound is coming out at all. It used to work at some point now it just isnt doing anything at all. I rebooted and nothing happened (but I later realized that if I had forced an update of the module order loding things might have worked already at this step). I am on Ubuntu 10.10 and attempting to use my C-Media USB Headphone Set for use with Skype. Then there's a file /etc/modules where I added a line withīefore the line reading: snd-bcm2835 and saved that file. ![]() On the already existing line and saved the file The point is to get the usb audio device to be recognized as card 0 so it will automatically be the default audio device and also try tuning it to perform well.įirst I opened (always with sudo) the /boot/cmdline.txt and added First a disclaimer: I'm a beginner using the Pi and Raspbian, so there might be better ways of doing things than I've done.
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