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Auditory Objects of attention: the role of interaural time-differences

journal contribution
posted on 2023-06-07, 18:52 authored by C J Darwin, R W Hukin
The role of interaural time difference (ITD) in perceptual grouping and selective attention was explored in three experiments. Experiment 1 showed that listeners can use small differences in ITD between two sentences to say which of two, short, constant, target words was part of the attended sentence, in the absence of talker or fundamental frequency differences. Experiments 2 and 3 showed that listeners do not explicitly track components that share a common ITD. Their inability to segregate a harmonic from a target vowel by a difference in ITD was not substantially changed by the vowel being placed in a sentence context, where the sentence shared the same ITD as the rest of the vowel. The results indicate that, in following a particular auditory sound source over time, listeners attend to perceived auditory objects at particular azimuthal positions rather than attending explicitly to those frequency components that share a common ITD.

History

Publication status

  • Published

Journal

Journal of Experimental Psychology: Human Perception and Performance

ISSN

0096-1523

Publisher

American Psychological Association

Issue

3

Volume

25

Page range

617-629

ISBN

0096-1523

Department affiliated with

  • Psychology Publications

Notes

Resolves a paradox in how localisation cues are used in auditory attention

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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