各种方法都试过了，始终没有声音。(我是在物理机上安装的，之前windows上一切正常，换deepin后才出的问题。中间有换到ubuntu,ubuntu开始也没有声音，东搞西搞后有声音了，但使用不太习惯，又换回deepin了)

pacmd list-cards

1 card(s) available.
index: 0
name:
driver:
owner module: 6
properties:
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0x601d170000 irq 166"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a0c8"
device.product.name = "Tiger Lake-LP Smart Sound Technology Audio Controller"
device.form_factor = "internal"
device.string = "0"
device.description = "内置音频"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
profiles:
output:hdmi-stereo: Digital Stereo (HDMI) 输出 (priority 5900, available: no)
output:hdmi-surround: Digital Surround 5.1 (HDMI) 输出 (priority 800, available: no)
output:hdmi-surround71: Digital Surround 7.1 (HDMI) 输出 (priority 800, available: no)
output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) 输出 (priority 5700, available: no)
output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) 输出 (priority 600, available: no)
output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) 输出 (priority 600, available: no)
output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) 输出 (priority 5700, available: no)
output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 输出 (priority 600, available: no)
output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 输出 (priority 600, available: no)
output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) 输出 (priority 5700, available: no)
output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) 输出 (priority 600, available: no)
output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) 输出 (priority 600, available: no)
off: 关 (priority 0, available: unknown)
active profile: output:hdmi-surround-extra2
sinks:
alsa_output.pci-0000_00_1f.3.hdmi-surround-extra2/#3: 内置音频 Digital Surround 5.1 (HDMI 3)
sources:
alsa_output.pci-0000_00_1f.3.hdmi-surround-extra2.monitor/#3: Monitor of 内置音频 Digital Surround 5.1 (HDMI 3)
ports:
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"