2.canned music/laughterAMTmusic or laughter that has been recorded and is used on television or in radioprogrammes 〔在电视或电台节目中使用的〕预录音乐/笑声
Examples from the Corpus
canned music/laughter• You do not warm to this lady, who delivers her lines to camera as if waiting for the canned laughter.• Some hotels programme their canned music in twenty-four hour cycles, varying by location and the hour.