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    Detectability of auditory signals presented without defined observation intervals (1976)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Description: Ability to detect tones in noise was measured without defined observation intervals. Latency density functions were estimated for the first response following a signal and, separately, for the first response following randomly distributed instances of background noise. Detection performance was measured by the maximum separation between the cumulative latency density functions for signal-plus-noise and for noise alone. Values of the index of detectability, estimated by this procedure, were approximately those obtained with a 2-dB weaker signal and defined observation intervals. Simulation of defined- and non-defined-interval tasks with an energy detector showed that this device performs very similarly to the human listener in both cases.
    Keywords: Behavioral Sciences
    Type: Acoustical Society of America; vol. 59
    Format: text
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