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$ pactl list short sources 0 alsa_output.pci-0000_00_1b.0.analog-stereo.monitor module-alsa-card.c s16le 2ch 44100Hz RUNNING 1 alsa_input.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz RUNNING 2 alsa_input.usb-USB_Camera_USB_Camera_SN0001-02.analog-mono module-alsa-card.c s16le 1ch 44100Hz RUNNING $ pactl list short sinks 0 alsa_output.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz IDLE $ pactl set-default-source alsa_input.usb-USB_Camera_USB_Camera_SN0001-02.analog-monobetter than 'cheese'webcam test software and video recorder with many settings:guvcviewcommand: pacmd list-sources arecord -l[[Category:Computer_Technology]][[Category:Linux]]