GB/T 3557-1994
ActiveSpecification of audio-visual environment for cinema theatres
电影院视听环境技术要求
Application Summary AI generated
This standard specifies the technical requirements for the acoustic and visual environment in cinema theatres, including sound insulation, reverberation time, screen luminance, and viewing angles. It is applied in the design, construction, and acceptance testing of commercial cinema theatres in China to ensure consistent audiovisual quality for film projection. The standard serves as a benchmark for cinema operators, architects, and equipment suppliers to meet minimum performance criteria for audience experience.
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