###### tags: `ubuntu` `bug`

# Crackling sound when playing Youtube
ubuntu18.04.2
acer swift 5 sf515-51t-7176

https://askubuntu.com/questions/1110422/crackling-sound-when-playing-youtube-ubuntu-18-04-1-running-on-virtualbox-6-0

https://linuxhint.com/pulse_audio_sounds_ubuntu/

## what I did
profile from analog stereo duplex to analog stereo output
類比立體聲雙工
類比立體聲輸出

## Let's wait and see

- 2019.Sep.05
works well for 99% of the time
still has broken sound, about once in a week