The “Harvard Sentences” Secretly Shaped the Development of Audio Tech
During World War II, the boiler room under Harvard’s Memorial Hall was turned into a secretive wartime research lab. Here, volunteers were subjected to hours of noise as scientists tested military communications systems. Out of this came the Harvard sentences, a set of standardized phrases still widely used to test everything from cellphones to VoIP.

March 11, 2015 at 07:30AM
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