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デシベルとは

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デシベルとは

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デシベルとは

  1. 1. デシベルとはデシベルとは、比率を表す単位です。オーディオ分野で活用されています。 倍率[dB] 20 log10 倍率[倍] Copyright (C) Bee Technologies Inc.2012 1
  2. 2. デシベルとは例1 1[倍]=0[dB] 2[倍]=6[dB] 10[倍]=20[dB] 100[倍]=40[dB] 1000[倍]=60[dB] Copyright (C) Bee Technologies Inc.2012 2
  3. 3. デシベルとは例2 0.5[倍]=-6[dB] 0.25[倍]=-12[dB] 0.125[倍]=-18[dB] 0.1[倍]=-20[dB] 0.01[倍]=-40[dB] Copyright (C) Bee Technologies Inc.2012 3

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