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The "Harvard Sentences" Secretly Shaped Audio Tech

March 11, 2015, 09:02 AM

http://gizmodo.com/the-harvard-sentences-secretly-...

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.

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