我从 ubuntu 18.04 LTS 更新到 20.04.4 LTS 在 Ubuntu 18.04 上一切正常。目前耳机工作正常，但麦克风听不见。我尝试了各种修复方法，例如HyperX Cloud II 麦克风无法在 Ubuntu 20.10 上使用但没有任何帮助。
系统盘
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 003: ID 04d9:1702 Holtek Semiconductor, Inc. Keyboard LKS02
Bus 005 Device 002: ID 2109:0811 VIA Labs, Inc. Hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 0557:2213 ATEN International Co., Ltd CS682 2-Port USB 2.0 DVI KVM Switch
Bus 003 Device 003: ID 0557:8021 ATEN International Co., Ltd Hub
Bus 003 Device 002: ID 0951:16a4 Kingston Technology HyperX 7.1 Audio
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
pactl 列出来源
Source #14
State: RUNNING
Name: alsa_input.usb-Kingston_HyperX_7.1_Audio_00000000-00.analog-stereo
Description: HyperX 7.1 Audio Analog Stereo
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 8
Mute: no
Volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100% / 0,00 dB
balance 0,00
Base Volume: 65536 / 100% / 0,00 dB
Monitor of Sink: n/a
Latency: 816072350 usec, configured 10000 usec
Flags: HARDWARE HW_MUTE_CTRL DECIBEL_VOLUME LATENCY
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 = "1"
alsa.card_name = "HyperX 7.1 Audio"
alsa.long_card_name = "Kingston HyperX 7.1 Audio at usb-0000:00:14.0-3, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:3:1.0"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.0/sound/card1"
udev.id = "usb-Kingston_HyperX_7.1_Audio_00000000-00"
device.bus = "usb"
device.vendor.id = "0951"
device.vendor.name = "Kingston Technology"
device.product.id = "16a4"
device.product.name = "HyperX 7.1 Audio"
device.serial = "Kingston_HyperX_7.1_Audio_00000000"
device.string = "front:1"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "HyperX 7.1 Audio Analog Stereo"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
Ports:
analog-input-headset-mic: Headset Microphone (priority: 8800)
Active Port: analog-input-headset-mic
Formats:
pcm