Lag/CPU Usage Spike when Changing Volume when using AirPods

This is a bit of a specific situation but starting perhaps a few months ago, pre-Ventura even, when I change the volume while connected to AirPods, there is considerable lag between button press, on-screen volume UI, and then actual volume change. This behavior does not exist when changing the volume with headphones plugged into the audio jack, or with just the bare speakers. Taking a look at the system usage during volume changes, there appear to be a handful of processes related to Continuity, Bluetooth etc that all get hammered at the same time. Also, the fact that the system slows down significantly enough during a single-increment change in volume illustrates how agonizingly slow things become during this.


I am on a 2021 MacBook Pro M1 Pro 14" on Ventura 13.3.1


AirPods Version A2031 Firmware Version 5E133 (most up to date as of this posting, and always has been throughout this ordeal).


This is an example of the processes that spike in usage during the slowdown when changing the volume. Not included in the offenders are some others like I mentioned before that are like Continuity Daemon and Bluetooth Daemons. At one point the main Daemon that was the worst and most consistent offender was Microsoft Teams Audio Daemon, but I uninstalled that since I don't use it anymore. But the problem persists with the other ones I mention.


I have already un and re-paired the AirPods to this Mac, and also reset them entirely but to no avail. Fixing this would be cool.


MacBook Pro (2021)

Posted on Apr 28, 2023 1:24 PM

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Posted on Jan 6, 2024 4:18 AM

I had this same issue for a long time, whether headphones plugged in or bluetooth, with my AirPods and Beats. After reading all the comments, I thought it made most sense if it is the Mac trying to communicate with all the other bluetooth devices from the past; I deleted all these (some non apple bluetooth speakers, headphones etc), and voila the problem went away. One other thing I did, at around the same time (right before my problem resolved), which I don't really think was related, is that I used shift-option-volume button to fine-change volume.

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Lag/CPU Usage Spike when Changing Volume when using AirPods

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