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RECORDING SOUND ON DISC 447
on a few minutes' notice if required in a hurry. In this respect, the disc record keeps pace with the ordinary schedule of development of the picture film.
Good quality of reproduction is essential, and this quality must be consistently obtained for successful work. Disc records can be duplicated without limit as to number, and each record will be just the same as all others.
The disc record has, to a high degree, the very essential element of consistency; that is, the quality of recordings from day to day is not affected appreciably by the recording medium, "he quality of reproduction can be intentionally varied over a wide range by electrical circuit changes, and thereby many defects arising from inefficient pick-up of sounds can be partly eliminated. While this is true of any method of recording, the consistent quality of disc recording makes easy such corrections.
Surface noise is usually determined by undesired sounds on the recording stages, chiefly camera noise. Where only the wanted sounds are recorded, the surface noise is largely negligible.
From the viewpoint of production efficiency, the disc record has the merit of being ready to go at all times on a moment's notice with breakdowns or failures very rare. It has become well adapted to studio use, and imposes no restrictions on the cast, the director or the cutter that are not fundamental to the art of recording. Its present efficiency is only another example of adapting a well established art to a new field of endeavor.
The talking picture art is new, and so is the technique of recording as applied to picture work. As the art progresses, it may be expected that disc recording will make further contributions to its progress.