| 单词 | optical sound |
| 释义 | > as lemmasoptical sound optical sound n. Film recorded sound represented by a pattern of light and dark alongside the frames of a film. ΘΚΠ society > leisure > the arts > performance arts > cinematography > filming > special techniques > [noun] > specific sound techniques Vitaphone1926 Movietone1927 playback1952 optical sound1960 Foley1973 walla1984 1933 B. Brown Amateur Talking Pict. vii. 146 The optical sound system of the R.C.A. portable is shown diagrammatically.] 1960 McGraw-Hill Encycl. Sci. & Technol. III. 124/2 The magnetic sound track is..26 frames ahead [of the picture] on 16-mm film, the same as optical sound. 1990 French Rev. 63 1083 ‘Annexes’..provide both technical information (physics of light, chemistry of color film, basics of optical sound and Dolby A, etc.) and practical data. < as lemmas |
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