Optical soundtrack: Difference between revisions

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*[[Dolby A]]
*[[Dolby A]]
*[[Dolby SR]]
*[[Dolby SR]]
*[[Dolby Digital]]and SDDS
*[[Dolby Digital]] and SDDS
 


===Sound Issues===
===Sound Issues===
*''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.