DescriptionPenthouse digital optial audio readers on top of a Philips DP70 projector mechanism.jpg
English: This photo shows one of the two Philips DP70 projectors in the booth of the Egyptian Theatre, Hollywood, taken on March, 14, 2014. This is a detailed view of the penthouse readers for three digital optical audio formats mounted on top of the mechanism chassis. Clockwise from left: 35mm Dolby Digital (threaded), 70mm DTS and 35mm SDDS.
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