by Mike Masnick
Thu, Sep 17th 2009 8:01am
theodp writes "The first known use of a recorded laugh track is said to be in 1950, when the producers of the Hank McCune Show added canned laughter after the show's taping. Almost 60 years later, IBM says it deserves a patent for 'inventing' adding canned laughter to conference calls. 'A pre-selected stored sound (e.g., an interjection such as a laugh) may be generated if there is a period of silence on one of the telephone lines that exceeds a threshold,' explains Big Blue in its just-published patent application for Enlivening Conference Calls to Make Conference Calls More Interesting for Participants. Eureka!"
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