uname -r：4.4.0-67-通用
sudo lspci显示两个设备：
00:1b.0 Audio device: Intel Corporation C610/X99 series chipset HD Audio Controller (rev 05) 03:00.1 Audio device: NVIDIA Corporation Device 0fba (rev a1)
我正在使用英特尔控制器。
sudo aplay -l输出是
**** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC3220 Analog [ALC3220 Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3] Subdevices: 1/1 Subdevice #0: subdevice #0
声音非常刺耳和空洞。Alsamixer 中的所有设置都已调高，似乎是正确的。更奇怪的是，当我使用 pavucontrol 并将输出设备中的端口从扬声器设置为耳机时，声音似乎工作正常，但每次重启或登录事件时都会重置。