The audio/video enthusiasts were being exposed more and more to the multichannel surround sound systems in theatres all over the globe. Even though home audio/video equipment was advancing (technologically) at its own pace, the vast difference between the quality of sound of movies and their home video counterparts was glaringly evident. Dolby Surround was introduced in early eighties by Dolby Laboratories. This made it possible to transfer movies onto videocassettes without losing the original four-channel Dolby encoding of the soundtracks.
Home theatre systems emerged, which utilized the Dolby Surround Pro Logic decoders which were advanced and more sophisticated versions of the Dolby Surround decoders, capable of decoding the center channel as well thus giving a cinema at home experience to the movie lovers. The growth of the Dolby Surround was phenomenal, fueled by its ready acceptance by cinemagoers as a parallel to the theatre experience. Dolby Surround has leapt the media boundaries and is now common not only in movies but also regular TV programs, video games, audio programs etc.
From the Dolby Website: “Dolby Laboratories continues to pursue genuine, long-term improvements in sound quality. Dolby analog and digital developments are incorporated in both professional products that the company itself manufactures, and under license in professional and consumer products from other manufacturers. Dolby technologies are used by sound professionals everywhere, are thrilling audiences in tens of thousands of cinemas every day, and are featured in consumer media that includes audio cassettes, home theater systems, television and satellite broadcasts, and video and computer games. Most recently, the company's Dolby Digital audio technology has been bringing new excitement to film sound in the cinema, and to home listeners via DVDs, digital broadcast TV, digital cable, and direct satellite transmissions.”
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