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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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