The influence of later-arriving sounds on the ability of listeners to judge the lateral position of a source

Raymond H. Dye, Christopher A. Brown, José A. Gallegos, William Yost, Mark A. Stellmack

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This study examined the deleterious effects of a later-arriving sound on the processing of interaural differences of time (IDTs) from a preceding sound. A correlational analysis assessed the relative weight given to IDTs of source and echo clicks for echo delays of 1-64 ms when the echo click was attenuated relative to the source click (0-36 dB). Also measured were proportion correct and the proportion of responses predicted from the weights. The IDTs of source and echo clicks were selected independently from Gaussian distributions (μ=0 μs, σ=100 μs). Listeners were instructed to indicate the laterality of the source click. Equal weight was given to the source and echo clicks for echo delays of 64 ms with no echo attenuation. For echo delays of 16-64 ms, attenuating the echo had no substantial effect on source weight or proportion correct until the echo was attenuated by 18-30 dB. At echo delays ≤4 ms, source weights and proportions correct remained high regardless of echo attenuation. The proportions of responses predicted from the weights were lower at echo delays ≥16 ms. Results were discussed in terms of backward recognition masking and binaural sluggishness and compared to measurements of echo disturbance.

Original languageEnglish (US)
Pages (from-to)3946-3956
Number of pages11
JournalJournal of the Acoustical Society of America
Volume120
Issue number6
DOIs
StatePublished - Dec 14 2006
Externally publishedYes

Fingerprint

echoes
acoustics
proportion
Listeners
Sound
lateral stability
attenuation
low weight
masking
normal density functions
disturbances
Proportion

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

Cite this

The influence of later-arriving sounds on the ability of listeners to judge the lateral position of a source. / Dye, Raymond H.; Brown, Christopher A.; Gallegos, José A.; Yost, William; Stellmack, Mark A.

In: Journal of the Acoustical Society of America, Vol. 120, No. 6, 14.12.2006, p. 3946-3956.

Research output: Contribution to journalArticle

Dye, Raymond H. ; Brown, Christopher A. ; Gallegos, José A. ; Yost, William ; Stellmack, Mark A. / The influence of later-arriving sounds on the ability of listeners to judge the lateral position of a source. In: Journal of the Acoustical Society of America. 2006 ; Vol. 120, No. 6. pp. 3946-3956.
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