Card sysdefault:1 'Audio'/'Generic USB Audio at usb-0000:00:14.0-4, high speed' Mixer name : 'USB Mixer' Components : 'USB0b05:1a52' Controls : 29 Simple ctrls : 6 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right Limits: Playback 0 - 87 Mono: Front Left: Playback 60 [69%] [-20.25dB] [off] Front Right: Playback 60 [69%] [-20.25dB] [off] Rear Left: Playback 60 [69%] [-20.25dB] [off] Rear Right: Playback 60 [69%] [-20.25dB] [off] Front Center: Playback 60 [69%] [-20.25dB] [off] Woofer: Playback 60 [69%] [-20.25dB] [off] Side Left: Playback 60 [69%] [-20.25dB] [off] Side Right: Playback 60 [69%] [-20.25dB] [off] Simple mixer control 'PCM',1 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 87 Mono: Front Left: Playback 60 [69%] [-20.25dB] [off] Front Right: Playback 60 [69%] [-20.25dB] [off] Simple mixer control 'PCM',2 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Line',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [off] Front Right: Capture 23 [59%] [0.00dB] [off] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [off] Front Right: Capture 23 [59%] [0.00dB] [off] Simple mixer control 'Analog In',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [on] Front Right: Capture 23 [59%] [0.00dB] [on] Card sysdefault:2 'NVidia'/'HDA NVidia at 0x83080000 irq 17' Mixer name : 'Nvidia GPU a4 HDMI/DP' Components : 'HDA:10de00a4,196e141f,00100100' Controls : 28 Simple ctrls : 4 Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',2 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',3 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on]