- a mechanism through which film passes in a projector for conversion of the soundtrack into audio-frequency signals that can be amplified and reproduced.
Origin of sound head
First recorded in 1930–35
Also called sound gate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sound head
It contained figures of three ecclesiastics, "Sound-head, Rattle-head, and Round-head."Caricature and Other Comic Art
- the part of a film projector that reproduces the sound in a film