How to add sound to amateur films (1954)

Page scan 00038 from How to add sound to amateur films

Record Details:

Title:
How to add sound to amateur films
Date:
1954
Publisher:
London : Focal Press
Volume:
How to add sound to amateur films
Leaf #:
00038
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
September 05, 2024
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METHODS OF ADDII3 Typical Approx. Speed of Maximum Relative Cc System Recording Recording Frequency of Adding Medium Response Sound (cycles I second) Commercial discs, By artist(s) f 78 r.p.m. 8,000 \ Q non-synchronised in studio \ 33 J r.p.m. 12,000 J Synchronised disc In studio, by 78 r.p.m. you, or to order 8,000 24 Magnetic wire At home 24 ins./sec. 8,000 Magnetic tape (Twin track) At home 7\ ins./sec. 9,000 4-8 ins./sec. 6,000 3| ins./sec. 5,000 Magnetic stripe At home, after 4-8 ins./sec. 5,700 16 f.p.s. editing film Magnetic stripe At home, after 7-2 ins./sec. 8,500 24 f.p.s. editing film Optical, 24 f.p.s. In studio, by 7-2 ins./sec. 5,000 you, or to order 35 f Monochroi; < (reversal) I * L Colour I51 Monochroi; (reversal over 30C Monochroi; (neg.-pos, over 400 ♦Including cost of extra film stock involved by increase of film speed frn 34