我有一副无线耳机，我想用它发出声音和作为麦克风。但是，当将其连接到计算机并选择“耳机主机 (HSP/HFP)”而不是“高保真播放 (A2DP 接收器)”时，计算机确实可以看到耳机麦克风，但没有声音。耳机连接到我的手机时确实可以正常工作，所以这不应该是耳机麦克风本身的硬件问题。
我查看了alsamixer，但这些对我来说没有意义。此外，帕武控制和系统声音的 设置似乎是在正确的地方。
我的笔记本电脑的麦克风质量太差了（声音非常刺耳，背景噪音很大），所以我现在几乎决定使用手机进行视频会议。我希望耳机能正常工作。
arecord -l 的输出如下：
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC282 Analog [ALC282 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
混合器：
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',2
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',3
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',4
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
aplay-l：
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC282 Analog [ALC282 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 1: ALC282 Digital [ALC282 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0