Tuomainen, O;
Hazan, V;
Taschenberger, L;
(2019)
Speech communication in background noise: effects of aging.
In:
Proceedings of Proceedings of the 19th International Congress of the Phonetic Sciences 2019.
(pp. pp. 805-809).
Australasian Speech Science and Technology Association Inc.: Melbourne, Australia.
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Abstract
Most communication in everyday life takes place in less than ideal listening conditions and the presence of noise or other voices in the background is often challenging for older adults. This study investigated how the informational content of the background noise affects communication in age-matched younger and older talker pairs. We used an interactive ‘spotthe-difference’ task to elicit spontaneous interactive speech in younger (20-27 years, N=10) and older (58- 76 years, N=20) female talkers with normal hearing. The task was done in quiet and in three different masker conditions varying in informational content: no content (speech-shaped noise), unrelated speech, related speech. Communication efficiency, self-rated listening effort, and acoustic-phonetic features of speech were measured for all conditions. Even though younger and older talkers did not differ in task efficiency or self-rated effort in the masker conditions, some of these conditions elicited speech adaptations consistent with increased speaking effort in older talkers
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