A-scale

A-scale

In sound-level meters, a weighting network, widely used to measure the noise levels in buildings or communities. The A-scale provides meter readings that correlate better with subjective judgments of noise than do readings of sound pressure levels (which are also taken with a sound level meter, but without a weighting network).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
We propose that 1,000 colleagues from our administrative A-scale groups are at risk of dismissal or redundancy."
They fell from 94 decibels--measured on the logarithmic A-scale used by industry to approximate the human ear--to 78 decibels.
The 300 A-scale were used when the chickens had scenes with themselves.
and make it harder to regroup in our recruiting." Twenty-one percent of Campbell's A-scale hires have been African American, 13 of 61, he says.
The pact called for 1-year wage cuts of up to 2.9 percent for senior (A-scale) flight attendants and of less than 1 percent for less senior (B-scale) flight attendants, followed by wage increases in April 1994, January 1995, and January 1996 that would raise USAIR flight attendants' pay to industry standards.
The accord also shortened to 3 years (previously, 5 years) the time it takes B-scale pilots to reach the pay of "A-scale" (more senior) pilots.