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Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938)
[ACTIVE]

Push-Pull Recording with the Light-Valve

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
31, No. 1, pp. 46–64
Abstract
Push-pull recording on film is accomplished by means of a double light-valve having four ribbons. Distortions introduced by the recording medium that are represented by second-order harmonics balance out in reproducing, as do also the frequencies introduced by the action of the noise-reduction system. As a result, push-pull recording not only eliminates certain defects of conventional recording, but permits the application of new technics that allow further extension of the volume range and improvement in the naturalness in the final product.
Publication Date
1938-07-01
DOI
10.5594/J14653
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J14653
Author(s)
J. G. Frayne
H. C. SilentElectrical Research Products, Inc., Los Angeles, Calif.
Copyright
© 1938 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Hilliard J. K. : “Push-Pull Recording,” J. Soc. Mot. Pict. Eng. , XXX (Feb., 1938 ), No. 2 , p. 156 . EXTERNAL
  • Ceccarini O. O. : “Theoretical Notes on the Push-Pull Method of Recording Sound,” J. Soc. Mot. Pict. Eng. , XXX (Feb., 1938 ), No. 2 , p. 162 . EXTERNAL
  • 2. Shea T. E. Herriott W. Goehner W. R. : “The Principles of the Light-Valve,” J. Soc. Mot. Pict. Eng. , XVIII (June, 1932 ), No. 6 , p. 697 . EXTERNAL
  • 3. MacKenzie D. : “Straight Line and Toe Records with the Light-Valve,” J. Soc. Mot. Pict. Eng. , XVII (Aug., 1931 ), No. 2 , p. 172 . EXTERNAL
  • 4. Frayne J. G. Silent H. C. : “Western Electric Noiseless Recording,” J. Soc. Mot. Pict. Eng. , XVIII (May, 1932 ), No. 5 , p. 551 . EXTERNAL
  • 6. Albin F. G. : “A Dynamic Check on the Processing of Film for Sound Records,” J. Soc. Mot. Pict. Eng. , XXV (Aug., 1935 ), No. 2 , p. 161 . EXTERNAL
  • 7. Manderfeld E. C. : “Permanent-Magnet Four-Ribbon Light-Valve for Portable Push-Pull Recording,” presented at the Spring, 1938 , Meeting at Washington, D. C.; to be published in a forthcoming issue. EXTERNAL
  • 7. Herriott W. : “A Method of Measuring Axial Chromatic Aberration in an Objective Lens,” J. Soc. Mot. Pict. Eng. , XX (April, 1933 ), No. 4 , p. 323 . EXTERNAL
  • Foster L. V. Herriott W. : “Recent Optical Improvements in Sound-Film Recording Equipment,” J. Soc. Mot. Pict. Eng. , XXIII (Sept., 1934 ), No. 3 , p. 167 . EXTERNAL
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Preview:
J. G. Frayne and H. C. Silent; Push-Pull Recording with the Light-Valve, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14653
Snippet:
J. G. Frayne and H. C. Silent; Push-Pull Recording with the Light-Valve, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14653

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J. G. Frayne and H. C. Silent; Push-Pull Recording with the Light-Valve, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14653
Snippet:
<span class="citation">J. G. Frayne and H. C. Silent; <cite>Push-Pull Recording with the Light-Valve</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at <a href="https://doi.org/10.5594/J14653" target="_blank" rel="noopener">https://doi.org/10.5594/J14653</a></span>

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Preview:
J. G. Frayne and H. C. Silent; Push-Pull Recording with the Light-Valve, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938
doi: 10.5594/J14653
url: https://doi.org/10.5594/J14653
Snippet:
<li>
J. G. Frayne and H. C. Silent; <cite id="bib-10-5594-j14653">Push-Pull Recording with the Light-Valve</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938
<span class="doi">10.5594/J14653</span>
</li>

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