How to add sound to amateur films (1954)

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 #:
00040
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:
March 28, 2024
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METHODS OF ADDING Typical Approx. Speed of Maximum Relative Cost System Recording Recording Frequency of Adding I Medium Response Sound (cycles I second) Commercial discs, By artist(s) f 78 r.p.m. 8,000 \ Q non-synchronised in studio \ 33J 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 f 7 j ins./sec. At home < 4-8 ins./sec. L 3J ins./sec. 9,000 6 6,000 4 5,000 3 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. 24 f.p.s. editing film 35 8,500 | Monodirome L Colour 170* Optical, 24 f.p.s. No commercial 7-2 ins./sec. 4,800 facilities ♦Including cost of extra film stock involved by increase of film speed fron< 36