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Dolby Surround

Dolby Surround
Adescription of Dolby Surround must of necessity start with its background, which is in film making. The production of film sound is different from music-studio practice, if only because it evolved separately and, for the most part, earlier. The film industry developed facilities for recording, synchroniaation amd complex mixes from several sound sources lang before the flrst multi-track sound only reproduction equipment was developed. In fact, many ofthese techniques antedated the advent of magneticrecording. When filmmakers could not find equipment to implement those tecbniques, they invented and built it themselves.
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