THE VOCODER
Aug. 21st, 2014 04:58 pm"The vocoder — the musical instrument that gave Kraftwerk its robotic sound — began as an early telecommunications device and a top-secret military encoding machine."
http://video.newyorker.com/watch/object-of-interest-the-vocoder
http://video.newyorker.com/watch/object-of-interest-the-vocoder