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Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934)
[ACTIVE]

An Improved System for Noiseless Recording

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
23, No. 1, pp. 48–54
Abstract
A new system of noisless recording that makes it possible to increase the volume range considerably without introducing distortion has been developed. The sound waves are amplified and split into two halves by a special mask in the recording optical system. The two half-waves are recorded 180 degress out of phase on separate parts of the sound track. The reproducing system utilizes a photoelectric cell having two cathodes connected in push-pull. Ground noise is reduced to a minimum because only the area occupied by the the recorded waves is transparent, and when there is no modulation the track is completely back.
Publication Date
1934-07-01
DOI
10.5594/J07441
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J07441
Author(s)
G. L. Dimmick
H. BelarRCA Victor Company, Camden, N. J.
Copyright
© 1934 Society of Motion Picture and Television Engineers, Inc.
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G. L. Dimmick and H. Belar; An Improved System for Noiseless Recording, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at https://doi.org/10.5594/J07441
Snippet:
G. L. Dimmick and H. Belar; An Improved System for Noiseless Recording, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at https://doi.org/10.5594/J07441

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Preview:
G. L. Dimmick and H. Belar; An Improved System for Noiseless Recording, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at https://doi.org/10.5594/J07441
Snippet:
<span class="citation">G. L. Dimmick and H. Belar; <cite>An Improved System for Noiseless Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at <a href="https://doi.org/10.5594/J07441" target="_blank" rel="noopener">https://doi.org/10.5594/J07441</a></span>

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Preview:
G. L. Dimmick and H. Belar; An Improved System for Noiseless Recording, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934
doi: 10.5594/J07441
url: https://doi.org/10.5594/J07441
Snippet:
<li>
G. L. Dimmick and H. Belar; <cite id="bib-10-5594-j07441">An Improved System for Noiseless Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934
<span class="doi">10.5594/J07441</span>
</li>

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