Richardson's handbook of projection (1930)

Record Details:

Title:
Richardson's handbook of projection
Date:
1930
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
00079
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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MANAGERS AND PROJECTIONISTS 1003 Sound Reproduction The Care Which Must Accompany the Handling and Splicing of Sound Film HAVING briefly described the methods of recording sound, let us now take up the real purpose of this work and examine into the method or methods of again "picking it up," amplifying it and delivering it to theater audiences, which same constitutes the work of the motion picture-sound projectionist, insofar as he has to do with sound. CLEANLINESS ESSENTIAL TO SUCCESS.— Cleanliness is essential to the best results in silent picture projection. It is infinitely more so in sound projection. Dirt on the film means scratches on its surface. Scratches in the silent picture means rain, which may be reduced in visibility by cleaning the film. Scratches on film which carries the sound record means "rain/' but that is not all for it also means damage to the sound band, and damage to that means irreparable injury to the sound itself. Once the sound band is injured by scratches, the damage cannot be repaired. It therefore follows that dust and dirt and sound are mortal enemies. Dirty oily hands should not be permitted to come into contact with sound film. A dirty fingerprint on a sound band will be projected to the horns or loud speakers in some form of a blur in the sound. One or two such marks in a reel of film might be negligible. They might