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Carroll Pratt on providing a laugh track for Soap, which proved a challenge as the show was a soap opera parody, and on providing laugh tracks for Kate & Allie, and Family Ties

Carroll Pratt on providing sports sound effects

Carroll Pratt on the kind of equipment he used in sound mixing in the early years, and on the professionals he collaborated with

Carroll Pratt on the "laugh machine"

Carroll Pratt on the mechanics of the laugh track and how it worked

Carroll Pratt on tailoring a laugh track to a show, using M*A*S*H as an example

Carroll Pratt on recording audiences for laugh tracks in the early days, and on working with the audience to get reactions