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Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939)
[ACTIVE]

Silent Wind-Machine

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A New wind-machine has been adopted and use for several years with a great improvement realized. It is a centrifugal blower, such as is commonly used in ventilating systems. The air is conducted by canvas ducts to the set where the scene is being enacted. The ducts are equipped with variously shaped fillings and nozzles so that the air stream may be directed as desired. It has been found expedient to locate the blower outside the stage building and enter the duct through a special portal. Thereby the greatest noise source, the blower, is remotely located and insulated from the scene by the walls of the stage building. Furthermore, it incidentally serves as a ventilator, suppplying fresh air to the scene. Measurements of noise-level for various wind velocities indicate improvements up to 70 decibels in noise reduction. Thus sound recordings of scenes requiring wind are made possible where heretofore it was necessary to photograph the scene without sound and provide synchronized sound subsequently.
Publication Date
1939-04-01
DOI
10.5594/J16564
Link
https://doi.org/10.5594/J16564
Author(s)
F. G. Albin
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J16564.json

Reference this Doc

Plain text (ISO 690 compliant)

Preview:
F. G. Albin; Silent Wind-Machine, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939. Available at https://doi.org/10.5594/J16564
Snippet:
F. G. Albin; Silent Wind-Machine, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939. Available at https://doi.org/10.5594/J16564

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F. G. Albin; Silent Wind-Machine, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939. Available at https://doi.org/10.5594/J16564
Snippet:
<span class="citation">F. G. Albin; <cite>Silent Wind-Machine</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939. Available at <a href="https://doi.org/10.5594/J16564" target="_blank" rel="noopener">https://doi.org/10.5594/J16564</a></span>

SMPTE Icon SMPTE's HTML Pub

Preview:
F. G. Albin; Silent Wind-Machine, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939
doi: 10.5594/J16564
url: https://doi.org/10.5594/J16564
Snippet:
<li>
F. G. Albin; <cite id="bib-10-5594-j16564">Silent Wind-Machine</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939); SMPTE, 1939
<span class="doi">10.5594/J16564</span>
</li>