Magnetic Sound for Motion Pictures

Marvin Camras

A magnetic sound track on motion picture film is convenient and economical. The final recording can be monitored while it is being made and requires no processing. All or part of the sound track can be erased, and a new record put on; or the film can be edited in the usual manner. Apparatus for making high-quality records is described, including the sound head, constant speed drive mechanism, amplifier equipment, and the magnetic track. Over-all performance, frequency response, dynamic range, and distortion are given.

Print ISSN
Published
1947-01
Content type
Original Research
DOI
10.5594/J12730