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Sound unit
A sound unit is any acoustic unit of sound measurement. *dB, decibel - noise of sound measurement is called decibels (dB).Ratio of the sound pressure to reference pressure to something. *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. *Hz, hertz = unit of sound frequency is called hertz (Hz)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sound unit」の詳細全文を読む
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