1956•The Journal of the Acoustical Society of AmericaRequires access
Auditory Detection of the Presence and Absence of Signals in Noise
Grant A. Fairbanks, Arthur S. House, Jay Melrose
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Abstract
An experiment is described in which detection of the absence of signal remained high and relatively constant while detection of intermixed signals varied over the threshold region as a function of signal voltage. Statistical signal detection thresholds of observers with set to detect absence of signal were approximately 2 db lower than those of observers with set to detect signal.