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Related to background noise: Ambient noise
background noise[′bak‚grau̇nd ‚nȯiz]
The unwanted residual sound that is present whether or not the sound source being studied is in operation.
The undesired signals that are always present in an electronic or other system, independent of whether or not the desired signal is present.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The total noise from all sources other than a particular one of interest.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
background noiseAn extraneous signal that has crept into a line, channel or circuit.
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