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Do Sound Segments Contribute to Sounding Charismatic? Evidence from a Case Study of Steve Jobs' and Mark Zuckerberg's Vowel Spaces
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In: International Journal of Acoustics and Vibrations (2020)
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Abstract:
The paper presents a case study of two popular US American CEOs. It compares the acoustic vowel space sizes of the more charismatic speaker Steve Jobs and those of the less charismatic speaker Mark Zuckerberg, as part of an initial acoustic step to examine a traditional claim of rhetoric that clearer speech makes a speaker sound more charismatic. Analysing about 2,000 long and short vowel tokens from representative keynote speech excerpts of the two speakers shows that Jobs' vowel space is, across various segmental and prosodic context factors, significantly larger than that of Zuckerberg, whose vowel space is strongly reduced particularly when addressing investors. The differences in vowel-space size are consistent with the claim of rhetoric that a clear articulation is a key characteristic of a charismatic speaker. The discussion of the results describes further experimental steps required to back up the link between clear pronunciation and speaker charisma.
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URL: http://hdl.handle.net/1885/202408 https://doi.org/10.20855/ijav.2019.24.21531
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J.M. Levis, Intelligibility, Oral Communication, and the Teaching of Pronunciation , Cambridge Applied Linguistics Series, Vol. 27, Cambridge, Cambridge University Press, 2018
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DNB Subject Category Language
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Segmental intonation information in French fricatives
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In: International Congress of Phonetic Sciences ; https://hal.archives-ouvertes.fr/hal-02106625 ; International Congress of Phonetic Sciences, Aug 2019, Melbourne, Australia (2019)
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Annotation of German Intonation: DIMA Compared with other Annotation Systems
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Qualitative and quantitative aspects of phonetic variation in Dutch eigenlijk
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Rethinking reduction: Interdisciplinary perspectives on conditions, mechanisms, and domains for phonetic variation
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Die Effekte kommunikationsunterstützender Systeme auf natürliche Dialogsprache im Auto: eine phonetisch-linguistische Analyse
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Different Parts of the same Elephant: a Roadmap to Disentangle and Connect Different Perspectives of Prosodic Prominence
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The influence of F0 discontinuity on intonational cues to word segmentation: A preliminary investigation
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In: Speech Prosody ; https://hal.archives-ouvertes.fr/hal-01452826 ; Speech Prosody, May 2016, Boston, United States ; http://sites.bu.edu/speechprosody2016/ (2016)
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Acoustic Cues to Perceived Prominence Levels – Evidence from German Spontaneous Speech.
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