11.15 noy. Unit of perceived noisiness, equal to the perceived noisiness of a one-third octave band of noise centered on 1 kHz and having an A-weighted sound pressure level of 40 dB.
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11.15 noy. Unit of perceived noisiness, equal to the perceived noisiness of a one-third octave band of noise centered on 1 kHz and having an A-weighted sound pressure level of 40 dB.
« Back to Standards Terminolgy Index