音强：修订间差异 - 求闻百科，共笔求闻

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== 外部連結 ==

* [http://www.sengpielaudio.com/calculator-levelchange.htm How Many Decibels Is Twice as Loud? Sound Level Change and the Respective Factor of Sound Pressure or Sound Intensity]

* [http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html Acoustic Intensity] ~~{{Wayback|url=http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html |date=20110607054347 }}~~

* [http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html Acoustic Intensity]

* [http://www.sengpielaudio.com/calculator-soundlevel.htm Conversion: Sound Intensity Level to Sound Intensity and Vice Versa] ~~{{Wayback|url=http://www.sengpielaudio.com/calculator-soundlevel.htm |date=20090118020926 }}~~

* [http://www.sengpielaudio.com/calculator-soundlevel.htm Conversion: Sound Intensity Level to Sound Intensity and Vice Versa]

* [http://www.sengpielaudio.com/calculator-ak-ohm.htm Ohm's Law as Acoustic Equivalent. Calculations]

* [http://www.sengpielaudio.com/RelationshipsOfAcousticQuantities.pdf Relationships of Acoustic Quantities Associated with a Plane Progressive Acoustic Sound Wave]

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 == 外部連結 ==
 * [http://www.sengpielaudio.com/calculator-levelchange.htm How Many Decibels Is Twice as Loud? Sound Level Change and the Respective Factor of Sound Pressure or Sound Intensity]
-* [http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html Acoustic Intensity] {{Wayback|url=http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html |date=20110607054347 }}
+* [http://ccrma.stanford.edu/~jos/pasp/Acoustic_Intensity.html Acoustic Intensity]
-* [http://www.sengpielaudio.com/calculator-soundlevel.htm Conversion: Sound Intensity Level to Sound Intensity and Vice Versa] {{Wayback|url=http://www.sengpielaudio.com/calculator-soundlevel.htm |date=20090118020926 }}
+* [http://www.sengpielaudio.com/calculator-soundlevel.htm Conversion: Sound Intensity Level to Sound Intensity and Vice Versa]
 * [http://www.sengpielaudio.com/calculator-ak-ohm.htm Ohm's Law as Acoustic Equivalent. Calculations]
 * [http://www.sengpielaudio.com/RelationshipsOfAcousticQuantities.pdf Relationships of Acoustic Quantities Associated with a Plane Progressive Acoustic Sound Wave]