ci-joint le résultat de tes premières commandes :
amixer: Unknown command 'sontrols'...
1 card(s) available.
index: 0
name: <alsa_card.pci-0000_00_1f.3-platform-sof-nocodec>
driver: <module-alsa-card.c>
owner module: 6
properties:
alsa.card = "0"
alsa.card_name = "sof-nocodec"
alsa.long_card_name = "LENOVO-10T7004BFR-ThinkCentreM720q-312D"
alsa.driver_name = "snd_sof_nocodec"
device.bus_path = "pci-0000:00:1f.3-platform-sof-nocodec"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sof-nocodec/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a348"
device.product.name = "Cannon Lake PCH cAVS"
device.string = "0"
device.description = "Cannon Lake PCH cAVS"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
profiles:
input:stereo-fallback: Stereo Input (priority 51, available: unknown)
input:multichannel-input: Multichannel Input (priority 1, available: unknown)
output:stereo-fallback: Stereo Output (priority 5100, available: unknown)
output:stereo-fallback+input:stereo-fallback: Stereo Output + Stereo Input (priority 5151, available: unknown)
output:stereo-fallback+input:multichannel-input: Stereo Output + Multichannel Input (priority 5101, available: unknown)
output:multichannel-output: Multichannel Output (priority 100, available: unknown)
output:multichannel-output+input:stereo-fallback: Multichannel Output + Stereo Input (priority 151, available: unknown)
output:multichannel-output+input:multichannel-input: Multichannel Duplex (priority 101, available: unknown)
off: Off (priority 0, available: unknown)
active profile: <output:stereo-fallback+input:stereo-fallback>
sinks:
alsa_output.pci-0000_00_1f.3-platform-sof-nocodec.stereo-fallback/#8: Cannon Lake PCH cAVS Stereo
sources:
alsa_input.pci-0000_00_1f.3-platform-sof-nocodec.stereo-fallback/#1: Cannon Lake PCH cAVS Stereo
alsa_output.pci-0000_00_1f.3-platform-sof-nocodec.stereo-fallback.monitor/#9: Monitor of Cannon Lake PCH cAVS Stereo
ports:
analog-input: Analog Input (priority 10000, latency offset 0 usec, available: unknown)
properties:
multichannel-input: Multichannel Input (priority 0, latency offset 0 usec, available: unknown)
properties:
analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
properties:
multichannel-output: Multichannel Output (priority 0, latency offset 0 usec, available: unknown)
properties:
1 sink(s) available.
* index: 8
name: <alsa_output.pci-0000_00_1f.3-platform-sof-nocodec.stereo-fallback>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
state: RUNNING
suspend cause: (none)
priority: 9030
volume: front-left: 55705 / 85% / -4.24 dB, front-right: 55705 / 85% / -4.24 dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 65537
muted: no
current latency: 46.16 ms
max request: 8 KiB
max rewind: 8 KiB
monitor source: 9
sample spec: s16le 2ch 48000Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 1
configured latency: 46.44 ms; range is 0.50 .. 341.00 ms
card: 0 <alsa_card.pci-0000_00_1f.3-platform-sof-nocodec>
module: 6
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = ""
alsa.id = "Port0 (*)"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "sof-nocodec"
alsa.long_card_name = "LENOVO-10T7004BFR-ThinkCentreM720q-312D"
alsa.driver_name = "snd_sof_nocodec"
device.bus_path = "pci-0000:00:1f.3-platform-sof-nocodec"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sof-nocodec/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a348"
device.product.name = "Cannon Lake PCH cAVS"
device.string = "hw:0"
device.buffering.buffer_size = "65472"
device.buffering.fragment_size = "16320"
device.access_mode = "mmap+timer"
device.profile.name = "stereo-fallback"
device.profile.description = "Stereo"
device.description = "Cannon Lake PCH cAVS Stereo"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
properties:
active port: <analog-output>
: 
