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Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937)
[ACTIVE]

The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
28, No. 3, pp. 235–245
Abstract
An unmodulated sound-track shows 96-cycle modulation on development. The effect is a maximum at the edge of the sprocket holes and diminishes exponentially for a distance of approximately 30 mils into the sound-track. A film modulated by a constant frequency shows 96-cycle amplitude and frequency modulation over the same area. Both effects are introduced principally during processing of the film. A film having no sprocket holes on the sound-track side is entirely free of these effects. The conclusion is that processing standards in many laboratories require improvement to eliminate distortions of this type.
Publication Date
1937-03-01
DOI
10.5594/J08558
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J08558
Author(s)
J. G. Frayne
V. PagliaruloElectrical Research Products, Inc., Hollywood, Calif.
Copyright
© 1937 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Crabtree J. Waddell J. H. : “Directional Effects in Sound-Film Processing—II,” J. Soc. Mot. Pict. Eng. , XXI (Nov., 1933 ), No. 5 , p. 351 . EXTERNAL
  • 2. Scoville R. R. : “A Portable Flutter-Measuring Instrument,” J. Soc. Mot. Pict. Eng. , XXV (Nov., 1935 ), No. 5 , p. 416 . EXTERNAL
  • 3. Shea T. E. Curtis A. M. Rumpel C. H. : “The Rapid-Record Oscillograph in Sound Picture Studies,” J. Soc. Mot. Pict. Eng. XVIII (Jan., 1932 ), No. 1 , p. 39 . EXTERNAL
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Plain text (ISO 690 compliant)

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J. G. Frayne and V. Pagliarulo; The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08558
Snippet:
J. G. Frayne and V. Pagliarulo; The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08558

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J. G. Frayne and V. Pagliarulo; The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08558
Snippet:
<span class="citation">J. G. Frayne and V. Pagliarulo; <cite>The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937. Available at <a href="https://doi.org/10.5594/J08558" target="_blank" rel="noopener">https://doi.org/10.5594/J08558</a></span>

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Preview:
J. G. Frayne and V. Pagliarulo; The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937
doi: 10.5594/J08558
url: https://doi.org/10.5594/J08558
Snippet:
<li>
J. G. Frayne and V. Pagliarulo; <cite id="bib-10-5594-j08558">The Influence of Sprocket Holes upon the Development of Adjacent Sound-Track Areas</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937); SMPTE, 1937
<span class="doi">10.5594/J08558</span>
</li>

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