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Preferred Noise Criterion (PNC) - Calculator

An online Preferred Noise Criterion (PNC) calculator.

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

The PNC-diagram with the default values above are indicated below:

Acceptable noise - dB_A - level at typical common locations.

The noise level should not exceed certain values to protect public health and welfare.

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

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

An online Noise Rating (NR) calculator.

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

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