Sound and the Human Being
Sound is such a common part of everyday life that we
rarely appreciate all of its functions. It provides enjoyable experiences such as listening to music or to the
singing of birds. It enables spoken communication with
family and friends. It can alert or warn us — for example with the ringing of a telephone, or a wailing siren.
Sound also permits us to make quality evaluations and
diagnoses — the chattering valves of a car, a squeaking wheel, or a heart murmur.
Yet, too often in our modern society, sound annoys us.
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