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Dolby system

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Dolby system

Electronic circuit that reduces the background high-frequency noise, or hiss, during replay of analogue magnetic tape recordings. The higher frequency signals are boosted, and then reduced in a filtered form, helping to eliminate ‘hissing’. The system was developed by US physicist Raymond Dolby (1933- ) in 1965. It has become less important with the advent of digital audio systems such as compact discs, MP3, and digital audio tape.



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At least one projectionist who played a film with SDDS encoding on a standard analog Dolby system reported hearing a buzz that he attributed to the Dolby processor trying to read the SDDS encoding.
SOUND COMPETITION\DTS keeps pace with digital giants by Daily News (Los Angeles, CA)
Over and above how wonderful the rollout was, the Dolby system is just extraordinary--it is very intuitive, easy to use, and reliable.
Dolby Celebrates Success of Digital Cinema Rollout; Exhibitors Praise ... by Business Wire
The Dolby system is an analog "peripheral" system attached to a home audio or theater system.
Altec Lansing Demonstrates High Quality, Next Generation Surround ... by Business Wire
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