这是我的第一个问题，因此如有任何错误等，请谅解。
所以，我的联想 t14 amd 笔记本电脑出现了问题。输出设备在播放视频或来自 discord 等的其他人的谈话时，有时会发出奇怪的回声/噼啪声。奇怪的声音会持续一段时间（我认为通常是几分钟），然后再次消失。关闭设备然后再打开可能会有所帮助，但不一定能解决问题。我从来没有遇到过连接麦克风的问题（其他人似乎遇到了）。
对于其他人来说，内核似乎是问题所在：
https://www.reddit.com/r/thinkpad/comments/i2h847/t14t14s_amdlinux_internal_microphone_works_with/
但是因为我有 5.11.0-37-generic 我认为这不应该是问题？
还有什么：我有 ubuntu 20.04。这是噪音的录音：https://voca.ro/114YFb1BAlzo
提前致谢！冬季风暴
编辑：systemctl --user status pulseaudio 给了我
● pulseaudio.service - Sound Service
Loaded: loaded (/usr/lib/systemd/user/pulseaudio.service; enabled; vendor >
Active: active (running) since Fri 2021-10-15 11:56:30 CEST; 15min ago
TriggeredBy: ● pulseaudio.socket
Main PID: 1744 (pulseaudio)
CGroup: /user.slice/user-1000.slice/[email protected]/pulseaudio.service
└─1744 /usr/bin/pulseaudio --daemonize=no --log-target=journal
Okt 15 11:56:30 Nyx systemd[1737]: Starting Sound Service...
Okt 15 11:56:30 Nyx pulseaudio[1744]: GetManagedObjects() failed: org.freedeskt>
Okt 15 11:56:30 Nyx systemd[1737]: Started Sound Service.
对于 journalctl | grep pulseaudio 终端有点爆炸了，我只获取今天和昨天的条目，因为我昨天遇到了这个问题：
Okt 14 08:11:41 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.27' (uid=125 pid=1111 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 08:11:42 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.38' (uid=125 pid=1111 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 08:12:08 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.75' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 08:12:08 Nyx pulseaudio[1758]: GetManagedObjects() failed: org.freedesktop.systemd1.NoSuchUnit: Unit dbus-org.bluez.service not found.
Okt 14 08:12:13 Nyx systemd[1100]: pulseaudio.service: Succeeded.
Okt 14 08:12:24 Nyx systemd[1100]: pulseaudio.socket: Succeeded.
Okt 14 10:02:27 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.153' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 10:02:27 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.154' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 10:02:27 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.155' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 10:02:27 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.156' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 10:02:27 Nyx dbus-daemon[964]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.157' (uid=1000 pid=1758 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 10:02:27 Nyx pulseaudio[1758]: After module unload, module 'module-null-sink' was still loaded!
Okt 14 10:02:27 Nyx systemd[1752]: pulseaudio.service: Succeeded.
Okt 14 10:02:27 Nyx systemd[1752]: pulseaudio.socket: Succeeded.
Okt 14 17:41:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.27' (uid=125 pid=1130 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 17:41:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.38' (uid=125 pid=1130 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 17:41:37 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.75' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 17:41:37 Nyx pulseaudio[1777]: GetManagedObjects() failed: org.freedesktop.systemd1.NoSuchUnit: Unit dbus-org.bluez.service not found.
Okt 14 17:41:41 Nyx systemd[1124]: pulseaudio.service: Succeeded.
Okt 14 17:41:52 Nyx systemd[1124]: pulseaudio.socket: Succeeded.
Okt 14 23:50:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.218' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 23:50:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.219' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 23:50:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.220' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 23:50:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.221' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 23:50:24 Nyx dbus-daemon[982]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.222' (uid=1000 pid=1777 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 14 23:50:24 Nyx pulseaudio[1777]: After module unload, module 'module-null-sink' was still loaded!
Okt 14 23:50:24 Nyx systemd[1771]: pulseaudio.service: Succeeded.
Okt 14 23:50:24 Nyx systemd[1771]: pulseaudio.socket: Succeeded.
Okt 15 11:55:15 Nyx dbus-daemon[931]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.28' (uid=125 pid=1345 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 15 11:55:16 Nyx dbus-daemon[931]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.41' (uid=125 pid=1345 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 15 11:55:48 Nyx pulseaudio[1345]: Error opening PCM device hdmi:1,1: No such file or directory
Okt 15 11:55:48 Nyx pulseaudio[1345]: Error opening PCM device hw:Generic_1: No such device
Okt 15 11:55:48 Nyx pulseaudio[1345]: Error opening PCM device hw:acp: No such device
Okt 15 11:55:48 Nyx pulseaudio[1345]: Error opening PCM device hw:Generic_1: No such device
Okt 15 11:55:48 Nyx systemd[1295]: pulseaudio.service: Succeeded.
Okt 15 11:55:48 Nyx systemd[1295]: pulseaudio.socket: Succeeded.
Okt 15 11:56:19 Nyx dbus-daemon[950]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.27' (uid=125 pid=1097 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 15 11:56:20 Nyx dbus-daemon[950]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.39' (uid=125 pid=1097 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 15 11:56:30 Nyx dbus-daemon[950]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.76' (uid=1000 pid=1744 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined")
Okt 15 11:56:30 Nyx pulseaudio[1744]: GetManagedObjects() failed: org.freedesktop.systemd1.NoSuchUnit: Unit dbus-org.bluez.service not found.
Okt 15 11:56:34 Nyx systemd[1091]: pulseaudio.service: Succeeded.