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macos - Why is the coreaudiod daemon using 5% or more CPU ...
https://apple.stackexchange.com/questions/24913/why-is-the-coreaudiod-daemon-using-5-or-more-cpu#:~:text=The%20high%20CPU%20usage%20of%20coreaudiod%20is%20due,%3E%20Inputand%20uncheck%20the%20Use%20ambient%20noise%20reductionbox.
How to fix coreaudiod 100% CPU usage – LucaTNT's
https://lucatnt.com/2013/05/how-to-fix-coreaudiod-100-cpu-usage/
It appears Google Play/Music on Chrome makes coreaudiod use 6-8% CPU even when no music is playing or has even be played yet. Hope this helps someone else! (for completeness: four-day-old 13″ MacBook Pro 2.6 GHz i5, …
macos - Why is the coreaudiod daemon using 5% or more …
https://apple.stackexchange.com/questions/24913/why-is-the-coreaudiod-daemon-using-5-or-more-cpu
Recent OS X updates have not changed this observation. Restarting (or killing the process so it respawns) doesn't fix the problem. After a couple of seconds, CPU usage of coreaudiod goes above 5% again. It's important to note that using line out makes the problem go away and coreaudiod's CPU usage goes down to 1%-2%.
macos - coreaudiod constantly at around 12.5% CPU on ...
https://stackoverflow.com/questions/58319261/coreaudiod-constantly-at-around-12-5-cpu-on-catalina
I looked into the Activity Monitor, and noticed that coreaudiod is constantly at around 12.5% CPU (dropping to no less than 12.2% at times). I looked around for similar issues, and it seems that the solution is always to restart the service, which I did but it made no difference: The moment it goes back up, within seconds it's back at 12.5%.
What Is “coreaudiod,” and Why Is It Running on My Mac?
https://www.howtogeek.com/321905/what-is-coreaudiod-and-why-is-it-running-on-my-mac/
If coreaudiod Is Using Your CPU Power. Users have reported that, in some cases, the folder /Library/Preferences/Audio will go missing, causing coreaudiod to massively spike its CPU usage even when no audio is playing. If you notice this CPU spike head to /Library/Preferences/ in Finder and verify that the Audio folder is missing.
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