Cinematography — Audio records on 70 mm motion-picture release prints with magnetic stripes — Recorded characteristic
电影摄影与摄影;70毫米电影发行版上带有磁条的音频记录——记录特性
Specifies the recorded characteristic, i.e. the recorded relative magnetic flux level (in dB) as a function of frequency (in Hz), of audio records on 70 mm motion-picture release prints with magnetic striping when reproduced at the nominal speed of 24 frames per second.