Film Perforation and 96-Cycle Frequency Modulation in Sound-Film Records

J. Crabtree, W. Herriott

When motion picture film is flexed around a cylinder the film in the region of the sprocket holes does not follow a smooth curve. In a sound record this leads to frequency distortion of perforation frequency.

Print ISSN
Published
1938-01
Content type
Original Research
DOI
10.5594/J14713