Dolby, Ray M.

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b. 1933 Portland, Oregon, USA
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American electronics engineer who developed professional systems for noise reduction.
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He was employed by Ampex Corporation from 1949 to 1957 and received a BSc in electrical engineering from Stanford University in 1957. He studied in England and received a PhD in physics from Cambridge University in 1961. He was a United Nations adviser in India 1963–5 and established the Dolby Laboratories in London in 1965. The Dolby Laboratories continuously developed systems for background-noise reduction, and in 1966 introduced Dolby A for professional tape and film formats. In 1968 Dolby B was developed and quickly found its use in the Philips Compact Cassette, which had become the new consumer medium for music. In 1981 Dolby C was an improvement designed for the consumer market, but it also was used in professional video equipment. In 1986 Dolby SR was introduced for professional sound recording. It is a common feature that the equipment has to be in a good state of calibration in order to obtain the advantages of these compander systems.
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Principal Honours and Distinctions
OBE 1986.
GB-N

Biographical history of technology. - Taylor & Francis e-Librar. . 2005.

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