Decibels and Metrics

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  • Acoustic Metrics and Decibels
    • Decibel Scales
      • Power Difference          x dB = 10*log10(P1/P2)
      • Pressure Difference           x dB = 10*log10(P1/P2)^2
    • Decibel Scales
      • SWL           Sound Power Levels relative to10^-12 watts
      • IL Sound Intensity Level relative to 10^-12 watts/m^2
      • SPL Sound Pressure Level relative to 2*10^-5 Pa


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