sound unit

Noun
  1. Any acoustic unit of measurement (synset 113629562)
    is a type of: unit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange
    subtypes:
    • b, bel - a logarithmic unit of sound intensity equal to 10 decibels
    • db, decibel - a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
    • sone - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold
    • phon - a unit of subjective loudness

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