sound - ubuntu 20.04系统无法识别外部麦克风

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问题:

我的ubuntu 20.04无法使用识别外部麦克风,我几乎尝试了所有操作。

声音编解码器cat /proc/asound/card1/codec* | grep Codec


Codec: Realtek ALC269VC



sudo lshw -c sound


*-multimedia:0 


 description: Audio device


 product: Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller


 vendor: Intel Corporation


 physical id: 3


 bus info: pci@0000:00:03.0


 version: 06


 width: 64 bits


 clock: 33MHz


 capabilities: pm msi pciexpress bus_master cap_list


 configuration: driver=snd_hda_intel latency=0


 resources: irq:33 memory:f7a14000-f7a17fff


*-multimedia:1


 description: Audio device


 product: 8 Series/C220 Series Chipset High Definition Audio Controller


 vendor: Intel Corporation


 physical id: 1b


 bus info: pci@0000:00:1b.0


 version: 05


 width: 64 bits


 clock: 33MHz


 capabilities: pm msi pciexpress bus_master cap_list


 configuration: driver=snd_hda_intel latency=0


 resources: irq:34 memory:f7a10000-f7a13fff




index: 0


 name: <alsa_card.pci-0000_00_03.0>


 driver: <module-alsa-card.c>


 owner module: 7


 properties:


 alsa.card = "0"


 alsa.card_name = "HDA Intel HDMI"


 alsa.long_card_name = "HDA Intel HDMI at 0xf7a14000 irq 33"


 alsa.driver_name = "snd_hda_intel"


 device.bus_path = "pci-0000:00:03.0"


 sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0"


 device.bus = "pci"


 device.vendor.id = "8086"


 device.vendor.name = "Intel Corporation"


 device.product.id = "0c0c"


 device.product.name = "Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller"


 device.form_factor = "internal"


 device.string = "0"


 device.description = "Built-in Audio"


 module-udev-detect.discovered = "1"


 device.icon_name = "audio-card-pci"



我添加到/etc/modprobe.d/alsa-base.conf的东西


options snd-hda-intel model=basic 


options snd-hda-intel position_fix=1



tee: /sys/class/sound/hwC1D0/reconfig: Device or resource is busy


答案1:

尝试此站点https://www.onlinemictest.com/microphone-settings/ubuntu/的说明,或这个问题耳机麦克风在Ubuntu 20.04上不工作,应该有效


答案2:

  • 要应用来自hdajackrestask的更改,必须停止pulseaudio autospawn,并杀死它:

mkdir ~/.pulseecho autospawn=no > ~/.pulse/client.confpulseaudio -k

echo autospawn=yes > ~/.pulse/client.conf

  • 尝试/etc/modprobe.d/alsa-base.conf中的5个模型,而不是"basic",(每次测试后重新启动更好):
  • headset-mic
  • headset-mode
  • alc269vb-amic
  • alc269vb-dmic
  • alc269-dmic


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