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Engineers measure sound level in decibel, a common logarithmic unit equal to one tenth of a bel, to compare acoustic intensities.
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Engineers measure sound level in decibel, a common logarithmic unit equal to one tenth of a bel, to compare acoustic intensities.
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decibel
IPA(Pronunciation)
Noun
Japanese Meaning
デシベルは、音の強さの比率を示す一般的な尺度であり、1ベールの十分の1に相当する。具体的には、音の相対的なパワー（P₁とP₂）の比を10を底とする対数で計算した値として定義され、音圧や騒音レベルの評価に用いられる単位です。
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