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This study is relative to the habits of sounds and how to control sound. A congruous environment in the office, clinic, or hospital is beneficial to medical, nursing, technical, and other personnel, as well as to patients. How may we be reasonably assured of obtaining a comfortable sonic environment?
Ill effects from noises often result from the simple fact that persons have relatively little control of exposure to sounds. One may not merely walk away from one's work in order to avoid distracting noises. Noises in offices, clinics, hospitals, or where one lives may interfere with normal activities; the noise factor may be intangible but real. We live with sounds; thus, it seems well to consider how this vibrational energy may be kept within the comfort level for practical purposes.
Sound waves are subjected to deflection and sound decay, and thus to reasonable control in buildings. The term "sound decay"
George Blumenauer. NOISE. JAMA. 1954;155(11):1007. doi:10.1001/jama.1954.73690290020026