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Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973)
[ACTIVE]

Stereophonic Photographic Soundtracks

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
82, No. 4, pp. 292–295
Abstract
High-quality stereophonic photographic soundtracks are now possible for 16mm and 35mm motion pictures. Each stereophonic channel is recorded in one-half the area of the normal variable-area soundtrack. The stereophonic sound is electronically processed by a commercial noise-reduction device prior to recording and printing, and restored in the projector upon reproduction. This technique provides signal-to-noise ratios in each channel which are equal to or better than those obtained on conventional photographic soundtracks. Projector modifications are simple and inexpensive. The processed stereophonic soundtrack can be compatible with unmodified monaural equipment.
Publication Date
1973-04-01
DOI
10.5594/J08887
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J08887
Author(s)
Ronald E. UhligPhotographic Technology Div., Bldg. 69, Kodak Park, Eastman Kodak Co., Rochester, NY 14650
Copyright
© 1973 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Stereophonic Reproduction from Film [Active]
  • History of Sound Motion Pictures [Active]
  • A Compatible Photographic Stereophonic Sound System [Active]
  • 4. Dolby Ray M. , “An audio noise reduction system,” Jour. Audio Eng. Soc. , Oct. 1967 . EXTERNAL
  • 5. Eargle John , “The Dolby Noise-Reduction system — its impact on recording,” Electronics World , May 1969 . EXTERNAL
  • 6. Dolby Ray M. , “Audio noise reduction: Some practical aspects,” Audio , June/July 1968 . EXTERNAL
  • 7. Summary of Presentation by Ray Dolby, Dolby Laboratories, Inc., at IMIC-3, Montreux, Switzerland, June 10, 1971 . A copy of which was received by the author in a private communication from Ioan Allen of Dolby Laboratories. EXTERNAL
  • 8. Allen Ioan , “The production of wide-range, low-distortion optical soundtracks utilizing the Dolby Noise Reduction system,” presented at the 42nd Convention of the Audio Engineering Society, Los Angeles, May 1972 . EXTERNAL
  • 9. Allen Ioan , “Further considerations on the use of a high-quality noise-reduction system in the production of wide-range low-distortion optical soundtracks with practical demonstrations),” presented on 24 October 1972 at the 112th Technical Conference of the SMPTE, Los Angeles. EXTERNAL
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Ronald E. Uhlig; Stereophonic Photographic Soundtracks, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J08887
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Ronald E. Uhlig; Stereophonic Photographic Soundtracks, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J08887

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Ronald E. Uhlig; Stereophonic Photographic Soundtracks, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J08887
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<span class="citation">Ronald E. Uhlig; <cite>Stereophonic Photographic Soundtracks</cite>, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J08887" target="_blank" rel="noopener">https://doi.org/10.5594/J08887</a></span>

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Ronald E. Uhlig; Stereophonic Photographic Soundtracks, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973
doi: 10.5594/J08887
url: https://doi.org/10.5594/J08887
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Ronald E. Uhlig; <cite id="bib-10-5594-j08887">Stereophonic Photographic Soundtracks</cite>, Journal of the SMPTE ( Volume: 82, Issue: 4, April 1973); SMPTE, 1973
<span class="doi">10.5594/J08887</span>
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