Sound-Track Application Detector

A sound-track application detector is described that determines the presence or absence of sound-track developer application and detects certain application errors during the processing of motion-picture print film. The device detects application skips in the picture area by measuring infrared density. Application faults trigger a visual and sound alarm, but splices and clear areas do not cause false alarms when passing through the detector. The unit is mounted on the processing machine, providing early detection of sound-track problems, and resulting in savings for the motion-picture laboratory.

Print ISSN

0036-1682

Published

1984-10

Content type

Original Research

DOI

10.5594/J03456