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Journal of the Society of Motion Picture Engineers ( Volume: 32, Issue: 4, April 1939)
Artificially Controlled Reverberation
SMPTE • Journal Article • [Active]
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Level 1 — direct references (docs this doc cites)
- 1. Reggun S. J. : “Recent Developments in Magnetic Sound Recording,” J. Soc, Mot. Pict. Eng., XXVIII (May, 1937), p. 464 .EXTERNAL
- 2. Goldsmith A N. : U. S. Pat. 2,105,318.EXTERNAL