| 单词 |
photographic sound reproducer |
| 释义 |
photographic sound reproducer photographic sound reproducer[¦fōd·ə¦graf·ik ′sau̇nd ‚rē·prə‚düs·ər] (electronics) A sound reproducer in which an optical sound record on film is moved through a light beam directed at a light-sensitive device, to convert the recorded optical variations back into audio signals. Also known as optical sound reproducer. |
| 随便看 |
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