Abstract
Acoustic design factors that should be taken into account in the construction of television and motion-picture sound stages are examined. The desirability of conducting a careful noise exposure survey at the outset is emphasized, and the means of achieving the necessary sound insulation is considered, with empirical formulas being given to relate transmission losses to surface density of the materials and the sound frequency. Other factors considered include: reverberation, isolation and coating of floors, hum in electrical equipment, and air-conditioning noise. Two ABC television stages and a complex at Los Angeles Community College are described briefly as examples where the principles are used in practice.
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