$ amixer contents -c 2
numid=5,iface=MIXER,name='PCM Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=6,iface=MIXER,name='PCM Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=64,step=0
: values=54
| dBminmax-min=-64.00dB,max=0.00dB
numid=3,iface=MIXER,name='Mic Capture Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=4,iface=MIXER,name='Mic Capture Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=64,step=0
: values=0
| dBminmax-min=-64.00dB,max=0.00dB
numid=1,iface=PCM,name='Capture Channel Map'
; type=INTEGER,access=r----R--,values=1,min=0,max=36,step=0
: values=0
| container
| chmap-fixed=MONO
numid=2,iface=PCM,name='Playback Channel Map'
; type=INTEGER,access=r----R--,values=1,min=0,max=36,step=0
: values=0
| container
| chmap-fixed=MONO
| chmap-fixed=FL,FR
pulseaudio list cards
index: 4
name: <alsa_card.usb-Audeze_Audeze_Penrose_1234567890-01>
driver: <module-alsa-card.c>
owner module: 26
properties:
alsa.card = "3"
alsa.card_name = "Audeze Penrose"
alsa.long_card_name = "Audeze Audeze Penrose at usb-0000:00:14.0-2, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:2:1.1"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/sound/card3"
udev.id = "usb-Audeze_Audeze_Penrose_1234567890-01"
device.bus = "usb"
device.vendor.id = "3329"
device.vendor.name = "Audeze"
device.product.id = "0011"
device.product.name = "Audeze Penrose"
device.serial = "Audeze_Audeze_Penrose_1234567890"
device.string = "3"
device.description = "Audeze Penrose"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
profiles:
input:mono-fallback: Entrée Mono (priority 1, available: unknown)
input:multichannel-input: Entrée Multicanal (priority 1, available: unknown)
output:analog-stereo: Sortie Stéréo analogique (priority 6500, available: unknown)
output:analog-stereo+input:mono-fallback: Sortie Stéréo analogique + Entrée Mono (priority 6501, available: unknown)
output:analog-stereo+input:multichannel-input: Sortie Stéréo analogique + Entrée Multicanal (priority 6501, available: unknown)
output:iec958-stereo: Sortie Stéréo numérique (IEC958) (priority 5500, available: unknown)
output:iec958-stereo+input:mono-fallback: Sortie Stéréo numérique (IEC958) + Entrée Mono (priority 5501, available: unknown)
output:iec958-stereo+input:multichannel-input: Sortie Stéréo numérique (IEC958) + Entrée Multicanal (priority 5501, available: unknown)
off: Éteint (priority 0, available: unknown)
active profile: <output:analog-stereo+input:mono-fallback>
sinks:
alsa_output.usb-Audeze_Audeze_Penrose_1234567890-01.analog-stereo/#2: Audeze Penrose Stéréo analogique
sources:
alsa_output.usb-Audeze_Audeze_Penrose_1234567890-01.analog-stereo.monitor/#4: Monitor of Audeze Penrose Stéréo analogique
alsa_input.usb-Audeze_Audeze_Penrose_1234567890-01.mono-fallback/#5: Audeze Penrose Mono
ports:
analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
properties:
iec958-stereo-output: Digital Output (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
properties:
pulseaudio sink info (output)
* index: 13
name: <alsa_output.usb-Audeze_Audeze_Penrose_1234567890-01.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: RUNNING
suspend cause: (none)
priority: 9049
volume: front-left: 44315 / 68% / -10,20 dB, front-right: 44315 / 68% / -10,20 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 47,49 ms
max request: 7 KiB
max rewind: 7 KiB
monitor source: 24
sample spec: s16le 2ch 48000Hz
channel map: front-left,front-right
Stéréo
used by: 1
linked by: 2
configured latency: 40,00 ms; range is 0,50 .. 2000,00 ms
card: 13 <alsa_card.usb-Audeze_Audeze_Penrose_1234567890-01>
module: 37
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "USB Audio"
alsa.id = "USB Audio"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "2"
alsa.card_name = "Audeze Penrose"
alsa.long_card_name = "Audeze Audeze Penrose at usb-0000:00:14.0-2, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:2:1.1"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/sound/card2"
udev.id = "usb-Audeze_Audeze_Penrose_1234567890-01"
device.bus = "usb"
device.vendor.id = "3329"
device.vendor.name = "Audeze"
device.product.id = "0011"
device.product.name = "Audeze Penrose"
device.serial = "Audeze_Audeze_Penrose_1234567890"
device.string = "front:2"
device.buffering.buffer_size = "384000"
device.buffering.fragment_size = "192000"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Stéréo analogique"
device.description = "Audeze Penrose Stéréo analogique"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
ports:
analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
properties:
active port: <analog-output>
pulseaudio mic info
* index: 25
name: <alsa_input.usb-Audeze_Audeze_Penrose_1234567890-01.mono-fallback>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9040
volume: mono: 4369 / 7% / -70,57 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 0,00 ms
max rewind: 0 KiB
sample spec: s16le 1ch 48000Hz
channel map: mono
Mono
used by: 0
linked by: 0
configured latency: 0,00 ms; range is 0,50 .. 2000,00 ms
card: 13 <alsa_card.usb-Audeze_Audeze_Penrose_1234567890-01>
module: 37
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "USB Audio"
alsa.id = "USB Audio"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "2"
alsa.card_name = "Audeze Penrose"
alsa.long_card_name = "Audeze Audeze Penrose at usb-0000:00:14.0-2, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:2:1.1"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/sound/card2"
udev.id = "usb-Audeze_Audeze_Penrose_1234567890-01"
device.bus = "usb"
device.vendor.id = "3329"
device.vendor.name = "Audeze"
device.product.id = "0011"
device.product.name = "Audeze Penrose"
device.serial = "Audeze_Audeze_Penrose_1234567890"
device.string = "hw:2"
device.buffering.buffer_size = "192000"
device.buffering.fragment_size = "96000"
device.access_mode = "mmap+timer"
device.profile.name = "mono-fallback"
device.profile.description = "Mono"
device.description = "Audeze Penrose Mono"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
ports:
analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
active port: <analog-input-mic>