56.騒音レベル - (2005/12/26 (月) 10:17:22) の編集履歴(バックアップ)
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- <span style=
"FONT: 7pt 'Times New Roman'"> </span></span></span><span style=
"FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">騒音レベル</span></p>
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人間の聴覚に合わせて補正した評価尺度。騒音計の</span><span lang="EN-US"><font face="Century">A</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">特性</span><span lang="EN-US"><font face="Century">(</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">聴覚補正特性の種類のひとつで、低域、高域の感度を落としてある</span><span lang="EN-US"><font face="Century">)</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">を使って測定することから「</span><span lang="EN-US"><font face="Century">A</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">特性音圧レベル」ともいう。単位は「</span><span lang="EN-US"><font face="Century">dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」</span></p>
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「</span><span lang="EN-US"><font face=
"Century">0dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」が人間の耳に聞こえる最低レベル、「</span><span lang="EN-US"><font face="Century">120dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」を超えると聴覚としての限界。</span></p>
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"FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">騒音レベル</span></p>
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"FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">
人間の聴覚に合わせて補正した評価尺度。騒音計の</span><span lang="EN-US"><font face="Century">A</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">特性</span><span lang="EN-US"><font face="Century">(</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">聴覚補正特性の種類のひとつで、低域、高域の感度を落としてある</span><span lang="EN-US"><font face="Century">)</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">を使って測定することから「</span><span lang="EN-US"><font face="Century">A</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">特性音圧レベル」ともいう。単位は「</span><span lang="EN-US"><font face="Century">dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」</span></p>
<p class="MsoNormal" style="MARGIN: 0mm 0mm 0pt"><span style=
"FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">
「</span><span lang="EN-US"><font face=
"Century">0dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」が人間の耳に聞こえる最低レベル、「</span><span lang="EN-US"><font face="Century">120dBA</font></span><span style="FONT-FAMILY: 'ＭＳ 明朝'; mso-ascii-font-family: Century; mso-hansi-font-family: Century">」を超えると聴覚としての限界。</span></p>
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