Noise Criterion (NC) - Free Online Calculator
Calculate Noise Criterion (NC) from octave band pressure levels.
The calculator below can used to calculate the NC - Noise Criterion:
Related Mobile Apps from The Engineering ToolBox
- free apps for offline use on mobile devices.
The NC-diagram with the default values from above:
Related Topics
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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
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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.