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Audio Engineer's Reference Book, 2nd Edition by Michael Talbot-Smith

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1.6 Noise measurement

1.6.1 Introduction

Noise is an everyday phenomenon affecting almost everyone. Its effects are numerous and often pass unnoticed, sometimes for many years. However, the result of prolonged exposure to noise can be devastating, producing premature hearing loss to varying degrees. Accurate measurement of noise is therefore essential, but there are other benefits; most people prefer a quiet environment, which seems to improve their general well-being and induces a more relaxed approach to life. The measurement of noise is therefore becoming important and the number of instruments and methods available for doing this is growing continuously. Intelligent use of this equipment often results in noise-reduction programmes which benefit ...

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