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Status : Active
Standard Type : Main
Document No : ISO 4834:1997
Document Year : 1997
Pages : 8
Edition : 2
Section Volume : Cinematography (ISO/TC 36.)
It also specifies types and technical characteristics of magnetic test films made on 35 mm, 17,5 mm and 16 mm motion-picture films.
This International Standard includes test films intended for the checking, adjusting and measuring of
a) inclination angle (azimuth) of the magnetic head gaps;
b) output level balance of multi-channel systems;
c) frequency response of the sound reproduction channel;
d) non-uniformity of film velocity (flutter).