Thank you for the Release Notes link.
Those notes say this »bugbase.adobe.com/index.cfm?even···=3212648
audio problem in XP and Fx and Chrome has NOT been fixed. I'm not going to upgrade. I have Flash Player only on a guest virtual machine so if the older version I have somehow gets exploited I can just revert the machine to an earlier snapshot.
When governments fear people, there is liberty. When the people fear the government, there is tyranny. Thomas Jefferson