They generally follow a specific pattern-largely single syllables, with one or two multi-syllable words. These phrases, which can be viewed here, have been updated periodically over the years to reflect modern sensibilities. The sentences, colloquially called the “Harvard Sentences” and first introduced by the Institute of Electrical and Electronics Engineers (IEEE) in 1969 as the “IEEE Recommended Practice for Speech Quality Measurements,” have roots in World War II, when Harvard scientists at the school’s Psycho-Acoustic Laboratory helped to test different kinds of noises for wartime military communications. These phrases-there are dozens of them-were chosen because they were phonetically balanced, and therefore should be recognizable and understandable in many audio conditions. Because these sentences were basically decided upon to highlight the nuances of speech. It’s as if the words were chosen from random novels, less for how much they make sense and more about how well each individual sentence flows together.Īnd you’d be right.
#Real phone numbers to prank call series
It’s a series of phrases, recited by both male and female speakers, that sound a little too … well, perfect. If you dial (858) 651-5050, you’ll hear what sounds like the most unusual poem ever produced. “Fishing in a mountain stream is my idea of a good time.“ The strange phone number with the best pronunciation you can find
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