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I found a fix after someone in another thread said that you can hold down shift which prevents the playback sound when you change the volume and it fixes it (as long as you hold shift everytime).
I went into sound preferences and turned off 'Play user interface sound effects' and 'Play feedback when volume is changed' and it's fixed!
 
CoreAudio Seems to be the problem in my case

quitting CoreAudio.d in Activity Monitor seems to immediately fix the problem when it occurs, but it keeps repeating.
 
10.9.2 has brought me a bunch of audio issues on my olde MBP - it has a version of Soundflower on it that apparently did not uninstall 100%.
 
Yes! When I change audio devices (e.g. speakers to headphones) I have to restart the mac or put it to sleep and awake it to make it detect the change. Otherwise it uses built-in speakers instead of the plugged in device.
 
quitting CoreAudio.d in Activity Monitor seems to immediately fix the problem when it occurs, but it keeps repeating.

Thanks for that, confirmed on my end. Here's what I've put in a small script:

#!/bin/bash
ps ax | grep -i coreaudiod|grep -v grep|cut -f1 -d" "|xargs sudo kill -9

It regularly happens, no additional stuff like boom etc. installed. Only happens on the TB display. Killing coreaudiod restarts it, problem solved.

Thanks!

M
 
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