BS 5550-5.4.3:1987
$86.31
Cinematography. Common to more than one film gauge. Sound – Specification for positions and width dimensions of recording and reproducing head gaps 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
| Published By | Publication Date | Number of Pages |
| BSI | 1987 | 8 |
This International Standard specifies the location and dimensions of head gaps for recording three-, four-, or six-track magnetic sound records on 35 mm (perforated in accordance with ISO 491), and one single-track record on 17,5 mm motion-picture film. It also specifies the assignment of records to the various tracks on the magnetic coating on the film in relation to the direction of film travel.
