Internet Archive - sound recording and reproduction sound on film 1943 (1943)

财富辛

Title: Sound Recording and Reproduction (Sound on Film) (1943)
Source: Internet Archive (Archive.org)

English Introduction:
An educational short explaining how sound is recorded and reproduced on film, introducing microphones, optical soundtracks, and basic sound-on-film technology.

中文标题：
声音录制与再现：胶片有声（1943）

中文简介：
一部讲解胶片录音与放音原理的教育短片，通过示意和演示介绍麦克风、光学声轨与电影有声技术。

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