KS A ISO 8687-2003(2023) Cinematography - Signal-to-noise ratio of 8mm type S, 16mm and 35mm variable-area photographic Sound records - Method of measurement
2003KS A ISO 8687:2003 Cinematography-Signal-to-noise ratio of 8 mm type S, 16 mm and 35 mm variable-area photographic sound records-Method of measurement