Thursday, June 18, 2015



''Is there any escape from noise?''



''BASIC CONCEPTS AND QUESTIONS ABOUT NOISE, WHICH CONTRIBUTE TO A PROPER UNDERSTANDING OF THE CHARACTERISTIC OF INDUSTRIAL NOISE AS WELL AS AN EXPERIMENTAL ACOUSTICAL COMPLEX FOR THE STUDY OF THE NOISE FACTOR, ARE EXAMINED. SPECIAL ATTENTION HAS BEEN GIVEN TO THE EFFECT OF NOISE ON THE ORGAN OF HEARING. IMPORTANT DATA PERTAIN TO PHYSIOLOGICAL RESEARCH, INCLUDING THE QUESTIONS OF ADAPTATION AND FATIGUE. CHANGES IN OCCUPATIONAL HEARING LOSSES, CAUSED BY THE PROLONGED EFFECT OF NOISE, ARE DISCUSSED. DATA ARE GIVEN ON THE EFFECT OF AN ACOUSTIC STIMULUS ON THE EYE, MOTOR ANALYZE, ON VIBRATION SENSITIVITY AND THE FUNCTIONAL STATE OF THE VESTIBULAR ANALYZE, INVOLUNTARY FUNCTIONS, AND THE CARDIO-VASCULAR SYSTEM. DATA ABOUT THE EFFECT OF NOISE ON THE FUNCTIONAL STATE OF THE CENTRAL NERVOUS SYSTEM ARE PRESENTED. IT IS CONCLUDED THAT BOTH REACTIVITY AND LABILITY OF THE CORTEX AND SUBCORTICAL STRUCTURES ARE REDUCED, EVIDENTLY IN PROPORTION TO THE NOISE EFFECT. THE DEGREE OF THESE EFFECTS IS DETERMINED BY THE FORCE OF THE NOISE.''

Noise and noise sickness (U.S.S.R., 1973)

https://archive.org/details/nasa_techdoc_19730019203