The effect of signal-temporal uncertainty on detection in bursts of noise or a random-frequency complex | Zendy

Angela Yarnell Bonino | Zendy; Lori J. Leibold | Zendy

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The effect of signal-temporal uncertainty on detection in bursts of noise or a random-frequency complex

Author(s) -

Angela Yarnell Bonino,

Lori J. Leibold

Publication year - 2008

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2993745

Subject(s) - signal (programming language) , tone (literature) , noise (video) , acoustics , masking (illustration) , random noise , detection theory , mathematics , physics , computer science , statistics , optics , artificial intelligence , art , visual arts , literature , detector , image (mathematics) , programming language

This study examined the effect of signal-temporal uncertainty on detection of a 120-ms, 1-kHz tone in the presence of a continuous sequence of 120-ms bursts of either a broadband noise or a random-frequency, two-tone complex. Using the method of constant stimuli, signal-temporal uncertainty was defined as the difference in threshold across temporally uncertain and temporally defined listening conditions. Results indicted an average effect of signal-temporal uncertainty of 2 dB for the noise masker compared to 9 dB for the random-frequency, two-tone masker. These results suggest that signal-temporal uncertainty may be more detrimental for conditions in which informational masking dominates performance.

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