GB/T 4643-1984 16mm motion picture optical soundtrack negative recording position and dimensions GB/T4643-1984 standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China 16mm negative photographic sound record on t6mm motion -picture film-Positions and dimensions This standard applies to the sound recording of 16mm motion -picture optical sound negative film. UDC778.534.45 GB4643--8.4 This standard adopts the international standard 1S071-1977 "Movie-16mm negative optical sound recording sound on 16mm, 35/16mm and 35/32mm film positions and dimensions". This standard specifies the sound recording positions and dimensions of 16mm motion -picture optical sound negative film. 1 Grain mask on the emulsion side The emulsion side of the film faces the observer. 2 DimensionsbzxZ.net The dimensions are shown in the following figure and table. B" type film Running direction Reference edge " type film Running direction Note: ① The reference edge of the film faces the observer, which is called "A" type film. ② The reference edge of the film is away from the observer, which is called "B" type film. Size Published by the National Bureau of Standards on August 14, 1984 11.48 ± 0.03 15.97 ± 0.03 Implemented on May 1, 1985 Additional notes: GB4643 B4 This standard was proposed by the Ministry of Culture of the People's Republic of China and is under the jurisdiction of the China Film Science and Technology Research Institute of the Ministry of Culture. The China Film Science and Technology Research Institute of the Ministry of Culture is responsible for drafting and interpreting this standard. The main drafter of this standard is He Anfu. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.