Sone
[sәun]
Definition
(noun.) a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
Checker: Rene--From WordNet
[sәun]
(noun.) a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
Checker: Rene--From WordNet