好吧，我遇到了一个似乎在基于 Ubuntu 的操作系统中很突出的问题。当我插入带有两个插孔（一个用于麦克风，另一个用于耳机）的耳机时，无论我连接哪一个，它都不会从耳机的麦克风输入音频。
我在 Ubuntu 18.04 上运行。
耳机插孔可以使用。麦克风插孔不能使用。
我的笔记本电脑只有一个插孔。
我是否需要尝试购买一个可以将这两个插孔连接到 USB 的适配器？我是否需要购买其他麦克风？
以下是 $inxi -Fxz 的结果
enter code here
base: Ubuntu 18.04 bionic
Machine: Type: Laptop System: ASUSTeK product: GL553VD v: 1.0 serial: <filter>
Mobo: ASUSTeK model: GL553VD v: 1.0 serial: <filter>
UEFI [Legacy]: American Megatrends v: GL553VD.306 date: 01/02/2018
Battery: ID-1: BAT0 charge: 38.7 Wh condition: 41.2/48.2 Wh (85%)
model: Simplo SDI ICR18650 status: Discharging
CPU: Topology: Quad Core model: Intel Core i7-7700HQ bits: 64 type: MT MCP
arch: Kaby Lake rev: 9 L2 cache: 6144 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 44928
Speed: 800 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 800 2: 800
3: 801 4: 800 5: 800 6: 800 7: 800 8: 800
Graphics: Device-1: Intel vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA GP107M [GeForce GTX 1050 Mobile] vendor: ASUSTeK
driver: nvidia v: 390.77 bus ID: 01:00.0
Display: x11 server: X.Org 1.19.6 driver: modesetting,nvidia
unloaded: fbdev,nouveau,vesa resolution: 1920x1080~60Hz
OpenGL: renderer: GeForce GTX 1050/PCIe/SSE2 v: 4.6.0 NVIDIA 390.77
direct render: Yes
Audio: Device-1: Intel CM238 HD Audio vendor: ASUSTeK driver: snd_hda_intel
v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k4.15.0-45-generic
Network: Device-1: Intel Wireless 7265 driver: iwlwifi v: kernel port: e000
bus ID: 02:00.0
IF: wlp2s0 state: up mac: <filter>
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: ASUSTeK driver: r8169 v: 2.3LK-NAPI port: d000 bus ID: 03:00.0
IF: enp3s0 state: down mac: <filter>
Drives: Local Storage: total: 931.51 GiB used: 55.67 GiB (6.0%)
ID-1: /dev/sda vendor: HGST (Hitachi) model: HTS721010A9E630
size: 931.51 GiB
Partition: ID-1: / size: 915.89 GiB used: 55.67 GiB (6.1%) fs: ext4 dev: /dev/sda1
Sensors: System Temperatures: cpu: 46.0 C mobo: N/A gpu: nvidia temp: 39 C
Fan Speeds (RPM): cpu: 0
Info: Processes: 259 Uptime: 1h 46m Memory: 7.67 GiB used: 1.96 GiB (25.5%)
Init: systemd runlevel: 5 Compilers: gcc: 7.3.0 Shell: bash v: 4.4.19
inxi: 3.0.27