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dev1man

Member

Registered: 2018-04-09

Posts: 2  

usb audio device does not work in alsa (or pulseaudio)

user@localhost:~$ cat /proc/asound/cards
0 [HDMI           ]: HDA-Intel - HDA Intel HDMI
                      HDA Intel HDMI at 0xf7c34000 irq 32
1 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7c30000 irq 29
2 [C220           ]: USB-Audio - Plantronics Blackwire C220
                      Plantronics Plantronics Blackwire C220 at usb-0000:00:14.0-8, full speed
user@localhost:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC3220 Analog [ALC3220 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

How can I make the C220 device appear in the list of aplay -l (and hopefully also in pulseaudio)?

dev1man

Member

Registered: 2018-04-09

Posts: 2  

Re: usb audio device does not work in alsa (or pulseaudio)

Was a permission problem.

adduser user audio

fixed it. Strange though that the built-in audio cards enumerated while the usb audio did not.