audio - 1338 questions tagged.
sound - 692 questions tagged.
Both audio & sound - 107 questions tagged.
What is the difference between those tags?
I think that most of the users (including me) aren't really aware of the difference between those tags.
Should they be merged?
[sound] --> [audio], in my opinion.
[audio]and 699 questions tagged with
[music], by the way, but it's slightly different.