Last Updated
：2025/11/19
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。
（ plural ）
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A common measure of sound intensity ratio that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative powers of the sound.
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decibel
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.
音声機能が動作しない場合はこちらをご確認ください
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