从 18.04 > 20.04 升级后，pulseaudio 无法正确识别我笔记本电脑的内部声卡。尽管 alsamixer 正在展示该卡。有什么提示吗？
\n\naplay -l\n**** Liste der Hardware-Ger\xc3\xa4te (PLAYBACK) ****\nKarte 0: PCH [HDA Intel PCH], Ger\xc3\xa4t 0: ALC293 Analog [ALC293 Analog]\n Sub-Ger\xc3\xa4te: 0/1\n Sub-Ger\xc3\xa4t #0: subdevice #0\nKarte 0: PCH [HDA Intel PCH], Ger\xc3\xa4t 3: HDMI 0 [HDMI 0]\n Sub-Ger\xc3\xa4te: 1/1\n Sub-Ger\xc3\xa4t #0: subdevice #0\nKarte 0: PCH [HDA Intel PCH], Ger\xc3\xa4t 7: HDMI 1 [HDMI 1]\n Sub-Ger\xc3\xa4te: 1/1\n Sub-Ger\xc3\xa4t #0: subdevice #0\nKarte 0: PCH [HDA Intel PCH], Ger\xc3\xa4t 8: HDMI 2 [HDMI 2]\n Sub-Ger\xc3\xa4te: 1/1\n …