Person Overview

Founder at Dolby Laboratories
University of Cambridge, Stanford University
January 18, 1933



Ray Dolby was the creator of the Dolby noise-reduction system that revolutionized recording and founder of Dolby Laboratories.

Dolby’s creation, released in 1966, produced a cleaner, crisper sound for recording studios and record labels and considerably reduced the hiss or hum associated with recording until then. The system used a method of emphasis – pre-emphasis and de-emphasis – to reduce tape noise and noticeably improve the recording and playback process.

He also created some of the first surround-sound systems, which resulted in 5.1 and 7.1 sound for theaters and homes.

Born in 1933, Dolby worked at an audio-recording company, Ampex, as a teenager. After graduating from Stanford with a BS in electric engineering he went to Cambridge to study physics. He used the company’s machines to record musicians in his home and found that the noise and hiss bothered him to no end. Using an electronic filter he... See More

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