Laugh Track
The use of canned laughter to “sweeten” the laugh track in comedy productions was pioneered in the early 1950s by CBS sound engineer Charles “Charley” Douglass.
Laughter is a shared experience. If someone laughs in your vicinity, you’re likely to follow suit. Psychologists consider laughing a social signal that strengthens bonds between people and relieves tension. And what’s more, a 1974 study in the Journal of Personality and Social Psychology es…




