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Feb., 1950
55
THE APPLICATION OF MAGNETIC RECORDING TO SUB-STANDARD FILM PROJECTORS
The meeting of the B.K.S. Sub-Standard Film Division of 16th, 1949, consisted of a demonstration of magnetic sound apparatus, in conjunction with a sub-standard film projector.
K. G. Gould* and R. I. T. Falkner, A.M.Brit.l.R.E.f
IN spite of the great strides of technical development in the field of photgraphic sound recording, and its more recent and widespread usage in the 16 mm. domain, the amateur motion picture enthusiast was unable, until quite recently, to add sound to the silent films which he had produced.
The enormous interest displayed in magnetic wire and tape recording indicates that this medium of recording may prove to be the answer to a problem which was posed when sound first came to the commercial kinema — a simple and inexpensive method whereby the amateur can modernise his film making.
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Fig ./. The Cine-Sound master. I — Erase Magnet. 2 — Recording-reproducing Head. 3 — Take-off Reel. 4 — Take-up Reel. 5 — Tape Guide Roller. 6 — Capstan Drive and Flywheel.
The technical aspect of magnetic recording has already been fully and capably propounded.1
In time, the amateur will doubtless be enabled to use his 8 mm., 9.5 mm. or 16 mm. projector as a sound recorder-cum-reproducer, using sub-standard film, embodying a magnetic track, the film being first exposed in the camera, and a commentary subsequently recorded, together with effects and music, to synchronize with the picture.
In the meantime the amateur enthusiast can achieve results somewhat similar, but with not quite the same facility, by using a separate carrier such as magnetic tape, on a recorder-reproducer driven in synchronism with his projector.
Components of Recorder-Reproducer
The Cine-Soundmaster was designed with this purpose in view. It is a magnetic tape recorder-reproducer which can be mechanically coupled to the
*Scophony-Baird, Ltd. fFormerly Scophony-Baird, Ltd.
1Brit. Kine., 15, No. 2, Aug., 1949, p. 37
PROPERTY
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