Equipment for Recording and Reproducing Sound with Photo-Film
The work of the Central Laboratory of the All-Union Electrical Trust, Leningrad, U. S. S. R., under the direction of the author, in connection with the study, design, and manufacture of motion picture recording and reproducing apparatus, is described. The present installment of the article deals with the research on light modulators, variable width and variable density; ordinary and noiseless recording systems; various forms of recording light sources; and the relative characteristics of the different kinds of modulator, viz., Western Electric, RCA, the author's, Kerr's cell, and the flashing lamp. The article will be concluded in the April, 1934, issue of the Journal.
- Print ISSN
- 0097-5834
- Published
- 1934-03
- Content type
- Original Research
- DOI
- 10.5594/J05457
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