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[1870~1920] Traveling variety acts performed in local theaters |
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[1870~1920] Traveling variety acts performed in local theaters |
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[1920~Present] The Jazz Singer [1927] was the first fully developed talkie. |
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Sound on Disc: [~1913] A “Follower” system using a mechanical interlocks to keep the projector synchronized with the record. Warner Bros. used the Vitaphone |
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THX is a certification which assures quality between different theaters. |
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[1952-1962] L|LC|C|RC|R|3S. Interlocked magnetic film “follower system”. |
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5.1 encoded between the sprockets. |
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7.1(like Cinerama) encoded along the edges. |
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5.1 played from an interlocked disc (like Vitaphone). |
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dialogue and on-screen action |
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Music and directional effects. |
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Reverb, surround SFX, directional SFX, and low level music. |
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