noise floor
n.— «If you make your recording too soft, you will mix in too much of what is often referred to as the “noise floor,” the spectrum that all the other sounds inhabit—generally sounds you don’t want.» —“Podcasting guide” by Alex Lindsay Macworld Dec. 26, 2008. (source: Double-Tongued Dictionary)
Further reading
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...