Multichannel audio is the name for a variety of techniques for expanding and enriching the sound of audio playback by recording additional sound channels that can be reproduced on additional speakers. Surround sound refers to the application of multichannel audio to channels "surrounding" the audience (generally some combination of left surround, right surround, and back surround) as opposed to "screen channels" (center, [LINK: front] [1] left, and [LINK: front] [2] right). One of the first documented uses of surround sound was implemented in 1940 for Disney's classic animation, Fantasia. Dubbed 'Fantasound' it consisted of three audio channels which were diffused (panned?initially live by an engineer) around the cinema over up to 54 speakers. One of the first surround amplifiers of the world intended for the popular user was the orthoperspecta system designed by th

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # TAGS