Society of Motion Picture and Television Engineers - A Comparison of Variable-Density and Variable-Width Systems

Author(s): E. W. Kellogg
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 September 1935
Volume: 25
Page(s): 203 - 226
ISSN (Paper): 0097-5834
DOI: 10.5594/J07413
Regular:

In the earlier stages of the development of the sound recording system of RCA Photophone, the balance seemed to swing at times in favor of variable-density and at times in favor of variable-width... View More

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