Sound motion pictures : from the laboratory to their presentation (1929)

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CHAPTER IV FUNCTIONS OF VARIOUS APPARATUS I. The Man in the Booth The development of sound apparatus, because of the space necessary for the proper installation of the various standard devices, has made necessary, in many instances, the redesigning and reconstruction of projection rooms. Architects are now planning projection booths to meet the new requirements. In existing quarters it has become necessary to move walls to conform with the emergencies and with the municipal regulations. The latter presented a big problem, for alteration and installation of equipment in most instances has had to be accomplished while the theatre was in use. The proper education of man power to handle the new machinery presented another task to management. Even for the most expert projectionists the handling of new and delicate machinery requires technical knowledge and considerable personal readjustment. The proper schooling of projectionists, wherever equipment is installed, is a matter of prime importance; but on the whole this situation has been dealt with quite successfully. Sound devices have been developed to a stage of relative perfection and can be operated by a skilled projectionist after a relatively short period of instruction and practice. Further simplification is making the issue less and less troublesome. There is no reason why the average projectionist who is willing to devote the effort necessary to the 60 •