February 10, 2012 by staff
Autotune Inventor, “Andy Hildebrand, Auto-Tune’s inventor, spent eighteen years in a field called seismic data exploration, a branch of the oil industry. He worked in signal processing, using audio to map the earth’s subsurface.
His technique involved a mathematical model called autocorrelation. The layers below the earth’s surface could be mapped by sending sound waves-dynamite charges work nicely in unpopulated areas-into the earth and then recording their reflections with a geophone.
As it happened, autocorrelation could detect pitch as well as oil, and Hildebrand, who had taken some music courses, turned his engineering skills toward pop.”
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