I am having the same problem, began a few months ago, but only a few times. But in the last 2 weeks it happens more and more frequently, which is really annoying. This happens when listening to iTunes, playing YouTube videos, and when using the built-in audio player.
Lately, restarting temporarily (ie. 20-30 seconds only) fixes the problem. From this thread, I see many others are having the same problem. What's up with this?
I have a Dell Inspiron 15 7000 series laptop which is about 2 years old, with latest (?) of Windows 10.
Thanks in advance for any suggestions to fix this