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Does the signal-to-noise ratio of an interlocutor influence a speaker's vocal intensity?

Tweedy, Rebecca Sally and Culling, John Francis ORCID: 2014. Does the signal-to-noise ratio of an interlocutor influence a speaker's vocal intensity? Computer Speech & Language 28 (2) , pp. 572-579. 10.1016/j.csl.2013.06.005

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This study investigated whether the signal-to-noise ratio (SNR) of the interlocutor (speech partner) influences a speaker's vocal intensity in conversational speech. Twenty participants took part in artificial conversations with controlled levels of interlocutor speech and background noise. Three different levels of background noise were presented over headphones and the participant engaged in a “live interaction” with the experimenter. The experimenter's vocal intensity was manipulated in order to modify the SNR. The participants’ vocal intensity was measured. As observed previously, vocal intensity increased as background noise level increased. However, the SNR of the interlocutor did not have a significant effect on participants’ vocal intensity. These results suggest that increasing the signal level of the other party at the earpiece would not reduce the tendency of telephone users to talk loudly

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
T Technology > T Technology (General)
Uncontrolled Keywords: Vocal effort; Signal-to-noise ratio; Conversation
Publisher: Elsevier
ISSN: 0885-2308
Date of Acceptance: 25 June 2013
Last Modified: 27 Oct 2022 09:12

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