http://wordie.org/words/noy Comments for the word 'Noy' http://wordie.org http://wordie.org/words/noy#comments A unit of perceived noisiness, introduced by American acoustics engineer K. D. Kryter in 1959. One noy is defined to be the noisiness of a random noise signal ranging from 910 to 1090 hertz at a sound pressure level of 40 decibels. A jet takeoff is rated at about 110 noys. Tue, 06 Nov 2007 16:19:37 +0000 http://wordie.org/words/noy#comments