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Noise Criterion (NC) - Free Online Calculator

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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:

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Related Topics

• Acoustics

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

Related Documents

NC - the Noise Criterion

Noise Criterion - NC - level is a standard uesd to describe the relative loudness of a space within a range of frequencies.

Noise - Acceptable dBA Level

Acceptable noise - dBA - level at typical common locations.

Noise Criterion vs. Noise Rating and dB(A)

Comparing Noise Criterion (NC, NCB, RNC) to Noise Rating (NR) and dB(A).

Noise Rating (NR) - Free Online Calculator

An online Noise Rating (NR) calculator.

NR - the Noise Rating Curve

The Noise Rating (NR) Curve used to determine acceptable indoor environments for hearing preservation, speech communication and annoyance.

PNC - the Preferred Noise Criterion

A noise measurement system for continuous or ambient noise in indoor environments.

Preferred Noise Criterion (PNC) - Calculator

An online Preferred Noise Criterion (PNC) calculator.

RC - the Room Criteria

The Room Criteria (RC) is used to measure background noise in buildings for frequencies ranging 16 to 4000 Hz.

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