GB/T 4643-2002

Abolished

Cinematography--16mm negative photographic sound record on motion-picture film--Position and dimensions

16mm电影负片光学声迹的位置和尺寸

Standard Type
GBT
ICS
37.060.20
CCS
A15
Status
Abolished
Issue Date
2002-12-04
Implementation
2003-05-01
Centralized Committee
广电总局
Issuing Authority
广电总局

Application Summary AI generated

GB/T 4643-2002 specifies the exact position and dimensional requirements for 16mm negative photographic sound records on motion-picture film. It is applied in the cinematography industry during the production and post-production of 16mm films, ensuring that optical soundtracks are correctly aligned and sized for consistent playback in cinema projection systems.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.