IEC 60574-20 : 1.0已作废
AUDIOVISUAL, VIDEO AND TELEVISION EQUIPMENT AND SYSTEMS - METHODS OF MEASURING AND REPORTING THE PERFORMANCE OF 16 MM SOUND FILM PROJECTORS
出版：International Electrotechnical Committee
专家解读视频
Applies to 16mm motion picture film projectors for 16mm films for general application. Defines characteristics affecting the performance of 16mm projectors related to picture quality and to the quality of sound recorded on and reproduced from photographic and magnetic sound tracks. Specifies methods of measurement of those characteristics, and the conditions under which such measurements shall be made, and recommends standard ways of reporting the performance.
NEN 10574-20 : 1988 - Identical
NAPM IT7.203 : 0 - Identical
NAPM IT7.203 : 0 - Identical
NEN 10574-20 : 1988 - Identical
