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SMPTE Journal ( Volume: 91, Issue: 12, December 1982)
[ACTIVE]

Sound Transmission through Perforated Screens

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
91, No. 12, pp. 1171–1174
Abstract
This paper describes the high-frequency attenuation of sound waves passing through perforated motion-picture screens of the matte white variety. For the same percent of open area, a screen with smaller-diameter circular holes has fewer treble losses than one with larger-diameter holes. There is a limit to this effect, which occurs when the diameter of the hole is equal to or smaller than the thickness of the screen, at which point viscous losses occur in the cylindrical holes. The paper is not all-inclusive but should lead to further investigation on the part of screen and loudspeaker manufacturers.
Publication Date
1982-12-01
DOI
10.5594/J02010
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J02010
Author(s)
Michael RettingerAcoustics at Encino, CA.
Copyright
© 1982 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Rayleigh Lord , “The Theory of Sound,” Vol. 1 , Section 304. EXTERNAL
  • 2. Bruckmayer F. , “Handbuch der Schalltechnik im Hochbau,” Franz Deuticke , Vienna , 1962 , p. 754 . EXTERNAL
  • 3. Morvey C. L. , “Acoustic Properties of Openings,” J. of Sound and Vibration , Vol. 9 , No. 3 , May 1969 . p. 357 . EXTERNAL
  • 4. Ingard U. Bolt R. H. , “Absorption Characteristics of Acoustic Material with Perforated Facings,” ASA , Vol. 23 , 1951 , p. 531 . EXTERNAL
  • 5. Mulholland K. A. Parbrook D. H. , “Transmission of Sound Through Apertures of Negligible Thickness,” J. of Sound and Vibration , Vol. 5 , No. 3 , May 1967 , p. 499 . EXTERNAL
  • 6. Wilson George P. Soroka Walter W. , “Approximation to the Diffraction of Sound by Circular Apertures in a Rigid Wall of Finite Thickness,” J. ASA , Vol. 37 , No. 2 , Feb. 1965 , p. 286 . EXTERNAL
  • 7. Hopkins H. F. , “Considerations in the Design and Testing of Motion Picture Screens for Sound Picture Work,” J. SMPE , Sept. 1930 , page 320. EXTERNAL
  • 8. Uzzle Ted Sinclair Rex , “Sound Transmission of Perforated Theatre Screens: A Preliminary Study,” 69th Convention of AES, May 12, 1981 , Los Angeles, Calif. EXTERNAL
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Michael Rettinger; Sound Transmission through Perforated Screens, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982. Available at https://doi.org/10.5594/J02010
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Michael Rettinger; Sound Transmission through Perforated Screens, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982. Available at https://doi.org/10.5594/J02010

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Michael Rettinger; Sound Transmission through Perforated Screens, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982. Available at https://doi.org/10.5594/J02010
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<span class="citation">Michael Rettinger; <cite>Sound Transmission through Perforated Screens</cite>, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982. Available at <a href="https://doi.org/10.5594/J02010" target="_blank" rel="noopener">https://doi.org/10.5594/J02010</a></span>

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Preview:
Michael Rettinger; Sound Transmission through Perforated Screens, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982
doi: 10.5594/J02010
url: https://doi.org/10.5594/J02010
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Michael Rettinger; <cite id="bib-10-5594-j02010">Sound Transmission through Perforated Screens</cite>, SMPTE Journal ( Volume: 91, Issue: 12, December 1982); SMPTE, 1982
<span class="doi">10.5594/J02010</span>
</li>

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