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One of the few published photographs of sound engineer Charley Douglass, working with his " laff box " CBS sound engineer Charley Douglass noticed these inconsistencies, and took it upon himself to remedy the situation.
If a joke did not get the desired chuckle, Douglass inserted additional laughter ; if the live audience chuckled too long, Douglass gradually muted the guffaws.
This editing technique became known as ' sweetening ', in which recorded laughter is used to augment the response of the real studio audience if they did not react as strongly as desired.
Conversely, the process could be used to " desweeten " audience reactions, toning down unwanted loud laughter or removing inappropriate applause, thus making the laughter more in line with the producer's preferred method of telling the story.

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