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Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952)
[ACTIVE]

Optimum Slit Height in Photographic Sound-Track Reproducers

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
For a specified reproducer frequency-response characteristic, there exists an optimum slit height. The optimum slit height depends upon the relative amounts of shot noise from the photosurface and thermal noise from the amplifier circuits. Calculated and measured values of optimum slit height are presented. The slit height which minimizes noise is undesirably large. Shot and thermal noise levels may be ignored if the d-c voltage drop across the effective phototube load resistor, without film in the light path, is of the order of 300 mv or higher.
Publication Date
1952-11-01
DOI
10.5594/J04952
Link
https://doi.org/10.5594/J04952
Author(s)
W. K. Grimwood, J. R. Horak
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W. K. Grimwood and J. R. Horak; Optimum Slit Height in Photographic Sound-Track Reproducers, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J04952
Snippet:
W. K. Grimwood and J. R. Horak; Optimum Slit Height in Photographic Sound-Track Reproducers, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J04952

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W. K. Grimwood and J. R. Horak; Optimum Slit Height in Photographic Sound-Track Reproducers, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952. Available at https://doi.org/10.5594/J04952
Snippet:
<span class="citation">W. K. Grimwood and J. R. Horak; <cite>Optimum Slit Height in Photographic Sound-Track Reproducers</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952. Available at <a href="https://doi.org/10.5594/J04952" target="_blank" rel="noopener">https://doi.org/10.5594/J04952</a></span>

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Preview:
W. K. Grimwood and J. R. Horak; Optimum Slit Height in Photographic Sound-Track Reproducers, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952
doi: 10.5594/J04952
url: https://doi.org/10.5594/J04952
Snippet:
<li>
W. K. Grimwood and J. R. Horak; <cite id="bib-10-5594-j04952">Optimum Slit Height in Photographic Sound-Track Reproducers</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 59, Issue: 5, November 1952); SMPTE, 1952
<span class="doi">10.5594/J04952</span>
</li>