Английский словарь американских идиом - canned laughter

{n.}, {informal} The sounds of laughter heard on certain television programs that were obviously not recorded in front of a live audience and are played for the benefit of the audience from a stereo track to underscore the funny points. * /"How can there be an audience in this show when it is taking place in the jungle? - Why, it's canned laughter you're hearing."/