• synonyms

sound head

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noun Movies.
  1. 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

Historical Examples

  • It contained figures of three ecclesiastics, "Sound-head, Rattle-head, and Round-head."

    Caricature and Other Comic Art

    James Parton.

British Dictionary definitions for sound head

sound head

  1. the part of a film projector that reproduces the sound in a film
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012