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Noise Criterion (NC) - Free Online Calculator

Calculate Noise Criterion (NC) from octave band pressure levels.

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The calculator below can used to calculate the NC - Noise Criterion:

Sound Pressure Level (dB) - Octave band mid-frequency (Hz)

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The NC-diagram with the default values from above:

nc - noise criteria - example

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Related Topics

  • Acoustics

    Room acoustics and acoustic properties, decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation.

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