Other Definitions
sound unit (dict)
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Sound UnitA sound unit is any acoustic unit of sound measurement. - unit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume".
- bel, B - a logarithmic unit of sound pressure equal, measured a tenth of it in decibels dB.
- dB, decibel - a logarithmic unit of sound pressure; 20 times the logarithm of the ratio of the sound pressure to reference pressure, the threshold of hearing. The sound intensity may be calculated from that measurement.
- sone - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold, starting with 1 sone.
*phon - a unit of subjective loudness.
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