There are discussions of high CPU usage of the coreaudio process when Soundflower runs into issues here:

https://discussions.apple.com/message/23643199#23643199

Might want to try uninstalling it and see if that resolves the issue. Seems that the tool has gone dormant with the last update to the open source version being made August 2012.

http://code.google.com/p/soundflower/downloads/list

Latest developer stuff sounds like some folks are still working on it:

https://github.com/Cycling74/Soundflower

CB

On 1/15/14 11:16 AM, Tim Kilburn wrote:
Hi Alex,

The amount of Virtual memory sounds to be about normal. The CPU usage is very high though for that. I’m guessing that the Mini just doesn’t have the processing power and coupled with only 4 GB of RAM, you may have found the culprit. If you have an external drive that you could install Mavericks onto, and not bother with the SoundFlower stuff, it would be your best method of testing things. There could be a small lag due to the use of an external drive as your Startup drive, but you’d be able to look at the Activity Monitor as well as note the state of your VO speech.

Later…

Tim Kilburn
Fort McMurray, AB Canada

On Jan 14, 2014, at 6:10 PM, Alex Hall <mehg...@gmail.com <mailto:mehg...@gmail.com>> wrote:

Hi all,
I may have found the cause of my Mac's problems: the coreaudiod process is taking 30 to 35 percent CPU, and over 2.5gb of virtual memory (185mb of real memory). I have things piped through Soundflower, but that shouldn't matter, should it? I can't kill the process to see if that helps, of course, since I need speech. Any ideas on how I might get it back to normal? Thanks.


Have a great day,
Alex (msg sent from Mac Mini)
mehg...@gmail.com <mailto:mehg...@gmail.com>



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