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Lubuntu 16.04 中无法更改声卡

tag-icon • tag-icon lubuntu alsa
Lubuntu 16.04 中无法更改声卡

我尝试使用该问题的答案来更改耳机的声音，但没有成功：

声卡选择

当我使用以下命令重新启动 Alsa 时：

sudo alsactl restore

我得到了以下输出：

No state is present for card Headset    
Found hardware: "USB-Audio" "USB Mixer" "USB046d:0a0c" "" ""
Hardware is initialized using a generic method
No state is present for card Headset

andrestoga@andrestoga-Studio-1555:~$ cat /proc/asound/cards
 0 [Intel   ]: HDA-Intel - HDA Intel
               HDA Intel at 0xfc700000 irq 46
andrestoga@andrestoga-Studio-1555:~$ cat /proc/asound/cards
 0 [Intel   ]: HDA-Intel - HDA Intel
               HDA Intel at 0xfc700000 irq 46
 1 [Headset ]: USB-Audio - Logitech USB Headset
               Logitech Logitech USB Headset at usb-0000:00:1d.1-1, full speed

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