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Optical soundtrack: Difference between revisions
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*optical sound formats | *optical sound formats | ||
*white light vs. red light | *white light vs. red light | ||
* color of optical tracks (cyan, high magenta, silver etc.) | |||
*types of optical readers | *types of optical readers | ||
*issues related to optical sound | *issues related to optical sound | ||
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===Sound Issues=== | ===Sound Issues=== | ||
* clipping or distortion resulting from incorrect lateral positioning of the sound head | |||
*''Motorboating'': a term use to describe the sound heard when sprocket holes are passing in front of the exciter lamp. This can be caused because of a threading error, or because the film is shrunken. | *''Motorboating'': a term use to describe the sound heard when sprocket holes are passing in front of the exciter lamp. This can be caused because of a threading error, or because the film is shrunken. | ||
*''Dirt build up:'' Always make sure your sound rollers and optics in the sound reader are clean. Never get liquid on the sound reader. Optics can be gently cleaned with a Q-Tip dipped in electronics grade alcohol. Sound drum should be clean and turn freely. | *''Dirt build up:'' Always make sure your sound rollers and optics in the sound reader are clean. Never get liquid on the sound reader. Optics can be gently cleaned with a Q-Tip dipped in electronics grade alcohol. Sound drum should be clean and turn freely. | ||