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music' ' sent to you by one of the gramophone companies. But it is in recording your own voice and making your own "effects" that you can enjoy the added thrill of creative art, and noone who has ever done so has thought about the price of art when listening to himself. Most people are literally staggered by what they hear . . .
The record you hire for mood-music may be for gramophone speeds of either 78 or 33^ r.p.m., but the latter speed should always be chosen when recording for film accompaniment. The slower speed, of course, will give you more sound per disc.
There are two methods of synchronising the disc with the projector. The first of these is simply guesswork, both as to correct starting and correctly maintained synchronisation during a performance. The first part of the job is to get the gramophone running at the same reproduction speed as the projector, and this usually entails considerable time, patience and lots of practice. But once you have got the speed of both "in sync" your troubles are nearly over.
If the record is to provide a commentary to a film, your next job will be to find out where to place the needle so that the sound starts at the right time — when the first picture-frame is projected, for instance. A good idea is to start the record first, and then to start the motor at some particular sound. This entails memorising your own sound-cue and noting the section of film which has to be laced up in the gate. When you have done that you should be able to start the show with apparent ease.
The second method is to have the gram and projector-motor mechanically linked to each other, which is the only way in which perfect sync can be achieved and maintained. This naturally entails a certain amount of engineering, dependent on materials available and your success in getting someone to do it for you. Readers requiring expert information to meet their specific needs are invited to write to Modern Messages Ltd., 9, Piccadilly Arcade, London, W.i, a firm specialising in providing disc-recorded sound and apparatus for the amateur film user.
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