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GB/T 4638-1997Picture image area and photographic sound record on 35mm motion-Picture release prints. Position and dimensions (English PDF)

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Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

June 28, 1997

Implementation date

March 1, 1998

Scope

GB/T 4638-1997 (Picture image area and photographic sound record on 35mm motion-Picture release prints. Position and dimensions) is available as an English-translated PDF.

GB/T 4638-1997 — This standard specifies the issue of copies of 35mm film and has a non-deformed picture compression ratio of lateral deformation of the screen 2: 1 screen aspect ratio of the picture release prints 1: 2.

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Document preview — GB/T 4638-1997

National Standard of the People's Republic of China

ICS: 37.060.20
Classification: A 15
Replacing: GB/T 4638-1984

Issued by: State Bureau of Technical Supervision

What this standard covers1
Document data2

What this standard covers

This standard specifies the issue of copies of 35mm film and has a non-deformed picture compression ratio of lateral deformation of the screen 2: 1 screen aspect ratio of the picture release prints 1: 2. 35 screen and optical sound track of the location and size of the excitation light the size and position of the blade.

Document data

International classification (ICS): 37.060.20.

Chinese classification (CCS): A15.

Estimated length of the Chinese original: 4,457 words.

Adopted international standard: ISO 2939-1986, MOD.

Supersedes the earlier edition GB/T 4638-1984.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 3 pages — is available in the English PDF.

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