BS 5817-20:1989 - Specification for audiovisual, video and television equipment and systems - Methods of measuring and reporting the performance of 16 mm sound film projectors
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This British Standard outlines the methods for measuring and reporting the performance of 16 mm sound film projectors used in audiovisual, video, and television systems. It provides standardized procedures for evaluating the optical, mechanical, and acoustic performance of 16 mm projectors, which are commonly used in film projection for entertainment, education, and other professional uses.
BS 5817-20:1989 - Specification for audiovisual, video and television equipment and systems - Methods of measuring and reporting the performance of 16 mm sound film projectors