我有一台 Audient iD4 MKII,通过 USB C 连接到运行 Ubuntu 的笔记本电脑。音频接口上连接着一个电容式麦克风,我之前曾用它在 iPad 上成功录制了音频,所以这个东西似乎可以正常工作。然而,Ubuntu 在“设置”下仅将其显示为输出设备,而不是输入设备:
一些相关的输出:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.4 LTS
Release: 22.04
Codename: jammy
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sofhdadsp [sof-hda-dsp], device 0: HDA Analog (*) []
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 1: HDA Digital (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: iD4 [Audient iD4], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
我该怎么做才能进一步调试这个问题?