| 释义 |
soundhead
\ˈ ̷ ̷ˌ ̷ ̷\ noun
Etymology: sound (III) + head
1. : an attachment for a motion picture projector containing apparatus for smoothing the motion of the film and for converting the sound record information into electrical signals
2. : the part of a motion-picture printer in which the sound track negative is printed onto the positive film |