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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/
Well, coreaudiod powers the audio portion of AirPlay, which lets you mirror your display and audio to AppleTV and a few other supported audio receivers. Occasionally coreaudiod will scan your local network to see if there are any supported devices, meaning its normal to sometimes see this daemon attempt to connect to local devices.
What is "CoreAudio"?
https://www.sweetwater.com/insync/coreaudio/
CoreAudio refers to the built in audio subsystems of Mac OS X. Similar in concept to the Sound Manager in Mac OS 9 and previous Mac OS’, CoreAudio handles all audio communication for the system itself, and any applications written to support it. This new system is more than just a rewrite of Sound Manager, and includes many great new advances ...
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%.
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
The high CPU usage of coreaudiod is due to the ambient noise reduction software working (surprisingly, even when the built-in microphone is not in use). Go to System Preferences > Sound > Input and uncheck the Use ambient noise reduction box.
How to fix coreaudiod 100% CPU usage – LucaTNT's
https://lucatnt.com/2013/05/how-to-fix-coreaudiod-100-cpu-usage/
Turning the coreaudiod off did, though once I restarted it the fans picked up again. In the end I re-checked in activity monitor and spotted a ‘not responding’ safari process soaking a lot of cpu time (10-20%, whereas coreaudiod had been taking 60-70%). I took a gamble and killed it. The machine returned to normal.
FIX: sustained 12-15% coreaudiod CPU usage on M1 ...
https://forums.macrumors.com/threads/fix-sustained-12-15-coreaudiod-cpu-usage-on-m1-possibly-intel-too.2331498/
Sunday at 4:39 PM. #1. If you've ported your user profile from Mac to Mac over several years, as I have, you may have noticed coreaudiod using a heap of CPU when not playing audio. Essentially once it starts the daemon, it constantly uses 12-15% CPU. THis may impact battery life, performance, etc. Likely 12-15% because it is 100% of a single core.
How to Fix Crackly Audio and Other Mac Sound Problems
https://www.howtogeek.com/670635/how-to-fix-crackly-audio-and-other-mac-sound-problems/
Risolvere i problemi audio in Google Meet - Guida di ...
https://support.google.com/meet/answer/10620276?hl=it
Nella finestra del terminale, digita sudo killall coreaudiod e premi Invio. Inserisci la password e premi Invio. Partecipa di nuovo alla riunione video di Meet. Riattivare l'audio. Gli altri utenti possono disattivare il tuo audio per ridurre il rumore di fondo, ma non possono riattivarlo.
Risolvere i problemi audio in Google Meet - Guida di ...
https://support.google.com/meet/answer/10620276?hl=it-it
Nella finestra del terminale, digita sudo killall coreaudiod e premi Invio. Inserisci la password e premi Invio. Accedi di nuovo alla riunione video di Meet. Riattiva il tuo audio. Gli altri utenti possono disattivare il tuo audio per ridurre il rumore di fondo, ma non possono riattivarlo.
OS X Yosemite audio dropouts - Ableton Forum
https://forum.ableton.com/viewtopic.php?t=209964
So I monitored my set with Acitivity Monitor and it shows that Live is using 45% CPU (not 12% as Live reports itself) and coreaudiod uses 3%, but overall CPU load is just 30%. It looks quite normal for me, or am I wrong? Could this be what fishmonkey said, that the audio interface driver is interrupting the system for too long?
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