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измерение уровня звука
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[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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sound measurement
Because of the large variations in sound magnitudes, and because the human hearing sensation seems to vary in a logarithmic way, logarithms are used in measurement of sound. The sound pressure level is given in decibels (dB). (Source: PARCOR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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