“If you use a laptop, and your battery dies quickly, check and see if you accidentally left iTunes open on an iTunes Store page,” Kirk McElhearn reports for Kirkville.
“Together, iTunes and coreaudiod,” McElhearn reports, “which processes audio played by iTunes or other apps, use about 7% of CPU.”
More info and screenshots in the full article here.
MacDailyNews Take: Yes, if you’re going to leave iTunes open, leave it on a page (tab) other than the iTunes Store or “New,” both of which have that battery-consuming rotating banner.