An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : sound power
sound power
  توان ِ صدا   
tavân-e sedâ

Fr.: puissance de son   

The → sound energy emitted by a source per unit time, usually expressed in → watts. Sound power causes → sound pressure.

→ sound; → power.

sound power level
  تراز ِ توان ِ صدا   
tarâz-e tavân-e sedâ

Fr.: niveau de la puissance de son   

The sound energy emitted by a sound source per unit time and expressed in → decibels. Sound power, in → watts, is converted to sound power level in decibels (L), by L = 10 log (W/W0), where W0 is the reference power (1 x 10 -12 watt).

→ sound; → power; → level.