IS 12774 : 1989 Cinematography - Head Gaps and Sound Records for Three-, Four-, or Six- Track Magnetic Sound Records on 35 mm and Single-track on 17.5 mm Motion-picture Film Containing no Picture - Positions and Width Dimensions

1 Scope

1.1 This Indian Standard specifies the location and dimensionsof head gaps for recording three-, four-, or six-track magneticsound records on 35 mm (perforated in accordance with IS 6085 :1979) and one single-track record on 17.5-mm motion-picture film.It also specifies the assignment of records to the various trackson the magnetic coating on the film in relation to the direction ofthe film travel.

2 References

IS 1885 : Part 34 :1972 Electrotechnical vocabulary:Part 34 Cinematography

IS 6085 :1979Specification for dimensions for 35 mm motionpicture film