The circuit noise level is usually expressed in dBrn0, signifying the reading of a circuit noise meter, or in dBa0, signifying circuit noise meter reading adjusted to represent an interfering effect under specified conditions.
22.
The league will still allow stadiums to post visual noise meters and other scoreboard messages to incite fans to make noise, but they must cease when the play clock is down to 15 seconds.
23.
A sheriff's officer from St . Lucie County, which has used noise meters for several years, took the readings for Martin deputies Nov . 9 after golf community residents complained of loud music from both pig farms.
24.
Inspectors from the Department of Environmental Protection bearing noise meters monitored a reading of the names of people who had died from AIDS, to make sure the roll call of victims was not exceeding official decibel limits.
25.
City Department of Environmental Protection inspectors carried noise meters to insure that the demonstrators were in compliance with the city's noise code, as the names of AIDS victims were read aloud over a loudspeaker in a 24-hour vigil.
26.
It was downright embarrassing Tuesday night when the scoreboard flashed a " noise meter " in the final two minutes of the game, trying to elicit some support, and all the crowd could reach was the " dull moan " level halfway up.
27.
Topping the noise meter were the house record-holder Billie Jean King ( 20 titles overall ), double-Grand Slammer Rod Laver, Bjorn Borg, Andre Agassi, John McEnroe, Chris Evert, Martina Navratilova, Goolagong, Becker, Graf, and the last English champ, Virginia Wade ( 23 years ago ).
28.
We have to endure idiotic " noise meters, " the stupid Parquet Patrol, cameras scanning the seats to find people willing to do really, really dumb things to see themselves and, _ this is the big one, Elizabeth _ noise and creeping music during the game.
