sound head

American  

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.

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sound head British  

noun

1. the part of a film projector that reproduces the sound in a film

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Etymology

Origin of sound head

First recorded in 1930–35

Example Sentences

He is described as a person of great force of character and many virtues—as "a man of good stature, comely visage, enterprising genius, sound head, vigorous spirit, and generous nature."

From A Life of Gen. Robert E. Lee by Cooke, John Esten

The virtue he loved was simple, sociable, gay, sprightly, and playful; to use one of his own expressions, ‘Ignorance and incuriousness are two charming pillows for a sound head.’

From An Essay In Aid Of A Grammar Of Assent by Newman, John Henry

But at length Chrissy, aware of the liberty Bourhope took in thus making her his study, got restless and troubled in her sound head and warm heart.

From Girlhood and Womanhood The Story of some Fortunes and Misfortunes by Tytler, Sarah

But I do say that an empire presents many difficult problems, and that the men who accept its responsibilities need a sound head, clean hands, and above all a pure heart.

From The Power of Womanhood, or Mothers and Sons A Book For Parents, And Those In Loco Parentis by Hopkins, Ellice

They are quite astonished that, in addition to the execution of the law, good sense and a sound head should be expected from them.

From The House of the Dead or Prison Life in Siberia with an introduction by Julius Bramont by Dostoyevsky, Fyodor