crwdns2934241:0crwdne2934241:0 Fandy Shu

crwdns2934249:0crwdne2934249:0:

Check your System preferences/Sounds/Sound Effect tab.

See if there is a sound effects selected, mine was Blow effect, hence the output sounds is crackling.

And I never set this sound effect before, maybe is the original setting from the new OS.

Uncheck the  [Play user interface sound effects]

crwdns2915684:0crwdne2915684:0:

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