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IEVref:801-29-11ID:
Language:enStatus: Standard
Term: perceived noise level
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Definition: the frequency-weighted sound pressure level in decibels, obtained by a stated procedure that combines the sound pressure levels in the 24 one-third octave bands centred on 50 Hz to 10 kHz

NOTE 1 – The procedure is stated in ISO 3891-1978: Procedures for describing aircraft noise on the ground.

NOTE 2 – Perceived noise level is intended to approximate judged perceived noise level.


Publication date:1994-07
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