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

Angela Yarnell Bonino, Lori J. Leibold

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)EL321-EL327
JournalJournal of the Acoustical Society of America
Volume124
Issue number5
DOIs
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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