Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935)
[ACTIVE]
Some Photographic Aspects of Sound Recording
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Journal Article
- Content Type
- Original Research
- Abbreviated Title
- J SMPE
- Volume
- 24, No. 4, pp. 285–326
- Abstract
- Since 1928, a very considerable amount of study has been devoted to the photographic problems which arise in connection with recording and reproducing sound. A general understanding has been reached as to the principles involved and as to the conditions which will permit satisfactory quality in the sound reproduced. This lecture represents a summary, therefore, of the general conclusions which have been reached by those interested in the subject. — Sound has three attributes, namely; (1) loudness, (2) frequency or pitch, and (3) wave-form, quality, or timbre. For perfect reproduction of sound, the reproduction should be perfect in respect of all these three attributes. The intensity range is limited primarily by the ground noise, and secondarily by the modulation which is permissible before the wave-form becomes sufficiently distorted to be noticeable to the ear. The ground noise is due primarily to physical defects in the films, such as scratches and dirt, although even in a perfectly clean film there is a very small amount of ground noise due to the granular structure of the silver deposit. This ground noise can be diminished by systems of noise reduction. — The reproduction of high frequencies is dependent upon the resolving power of the photographic film, and the effect of loss of these high frequencies will be illustrated. Special apparatus has been designed for an investigation of the quality of the reproduction, including special sensitometers and densitometers. The analysis of the quality of reproduction and the application of graphic analysis are demonstrated, with an illustration of some of the results attained.
- Publication Date
- 1935-04-01
- DOI
10.5594/J10104- ISSN
- Print:
0097-5834 - Link
- https://doi.org/10.5594/J10104
- Author(s)
- C. E. K. MeesEastman Kodak Co., Rochester, N. Y.
- Details
- need to add references
- Copyright
- © 1935 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- Wave Form Analysis of Variable Density Sound Recording [Active]
- The Principles of the Light Valve [Active]
- Western Electric Noiseless Recording [Active]
- Scanning Losses in Reproduction [Active]
- The Processing of Variable Density Sound Records [Active]
- The Rendering of Tone Values in the Photographic Recording of Sound [Active]
- High Frequency Response from Variable Width Records as Affected by Exposure and Development [Active]
- Straight-Line and Toe Records with the Light-Valve [Active]
- Wave Form Analysis of Variable Width Sound Records [Active]
- The Photographic Treatment of Variable Area Sound Films [Active]
- The Aperture Effect [Active]
- Sound Recording with the Light Valve [Active]
- Apparatus for the Analysis of Photographic Sound Records [Active]
- Photographic Characteristics of Sound Recording Film [Active]
- The Absorption and Scatter of Light by Photographic Negatives Measured by Means of the Martens Polarization Photometer [Active]
- The Underexposure Period in Theory and Practice [Unknown]
- 1 Mees C. E. K. : “The Photographic Reproduction of Tone,” Phot. J. , 64 ( 1924 ), p. 311 . EXTERNAL
- 2 Callier A. : “The Absorption and Scatter of Light by Photographic Negatives, Measured by Means of the Martens Polarization Photometer,” Phot. J. , 49 ( 1909 ), p. 200 . EXTERNAL
- 3 Hall V.C. : “The Decibel in the Motion Picture Industry,” J. Soc. Mot. Pict. Eng. , XVIII (Mar., 1932 ), No. 3 , p. 292 . EXTERNAL
- 4 Küster A. Schmidt R. : “Einfluss des Callier-Effekts auf die Wiedergabe von Lichttonaufzeichnungen,” Kinotechnik , 12 ( 1930 ), p. 602 . EXTERNAL
- 5 Miller D.C. : “Science of Musical Sounds,” Macmillan Co. , New York , 1926 , p. 92 . EXTERNAL
- 6 Renwick F.F. : “The Underexposure Period in Theory and Practice,” Phot. J. , 53 ( 1913 ), p. 127 . EXTERNAL
- The Effect of Exposure and Development on the Quality of Variable-Width Sound Recording EXTERNAL
- Photographic Reproduction of Tone EXTERNAL
- The Measurement of Density in Variable-Density Sound-Films EXTERNAL
- Further Investigations of Ground-Noise in Photographic Sound Records EXTERNAL
- A Study of Ground-Noise in the Reproduction of Sound by Photographic Methods EXTERNAL
- The Surface Treatment of Sound-Film EXTERNAL
- Extension of Frequency Range of Film Recording and Reproduction EXTERNAL
- The Aperture Alignment Effect EXTERNAL
- Analysis of Sound Quality with the Variable-Density Recording Method from Sensitometric Data EXTERNAL
- Noise Reduction with Variable-Area Recording EXTERNAL
- On the Sensitometric Control of the Processing of Sound Films EXTERNAL
- Tonfilm–-aufnahme und Wiedergabe nach dem Klangfilm-Verfahren (Sound-Film Recording and Reproducing by the Klangfilm Process) EXTERNAL
- Einführung in die Tonphotographie (Sound Photography) EXTERNAL
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C. E. K. Mees; Some Photographic Aspects of Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10104
Snippet:
C. E. K. Mees; Some Photographic Aspects of Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10104
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C. E. K. Mees; Some Photographic Aspects of Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10104
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<span class="citation">C. E. K. Mees; <cite>Some Photographic Aspects of Sound Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935. Available at <a href="https://doi.org/10.5594/J10104" target="_blank" rel="noopener">https://doi.org/10.5594/J10104</a></span>
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C. E. K. Mees; Some Photographic Aspects of Sound Recording, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935
doi: 10.5594/J10104
url: https://doi.org/10.5594/J10104
doi: 10.5594/J10104
url: https://doi.org/10.5594/J10104
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<li> C. E. K. Mees; <cite id="bib-10-5594-j10104">Some Photographic Aspects of Sound Recording</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 4, April 1935); SMPTE, 1935 <span class="doi">10.5594/J10104</span> </li>