What ubiquitous feature of television sitcoms was invented by sound engineer Charley Douglass who noticed that live audiences were unreliable for providing something?
Laughing audience Canned Laughter Laugh in a can Laughtrack Laughter track Laughter soundtrack Canned laughter Fake laughter Canned laugh Laugh machine Fake laugh Laugh Track Laughtracks Laugh tracks Laff box Artificial laughter Laff Box Laugh track
artificial laughter laughtracks laugh in can laughter track laugh machine laff box canned laugh laugh track fake laughter laugh tracks canned laughter laughter soundtrack laughtrack fake laugh laughing audience
laugh track
WikipediaEntity
Laugh track