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  The role of temporal amplitude modulations in the political arena: Hillary Clinton vs. Donald Trump

Bosker, H. R. (2017). The role of temporal amplitude modulations in the political arena: Hillary Clinton vs. Donald Trump. Talk presented at Interspeech 2017. Stockholm, Sweden. 2017-08-20 - 2017-08-24.

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 Creators:
Bosker, Hans R.1, Author              
Affiliations:
1Psychology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792545              

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Free keywords: amplitude envelope, amplitude modulations, speech rhythm, modulation spectrum, Hillary Clinton, Donald Trump
 Abstract: Speech is an acoustic signal with inherent amplitude modulations in the 1-9 Hz range. Recent models of speech perception propose that this rhythmic nature of speech is central to speech recognition. Moreover, rhythmic amplitude modulations have been shown to have beneficial effects on language processing and the subjective impression listeners have of the speaker. This study investigated the role of amplitude modulations in the political arena by comparing the speech produced by Hillary Clinton and Donald Trump in the three presidential debates of 2016. Inspection of the modulation spectra, revealing the spectral content of the two speakers’ amplitude envelopes after matching for overall intensity, showed considerably greater power in Clinton’s modulation spectra (compared to Trump’s) across the three debates, particularly in the 1-9 Hz range. The findings suggest that Clinton’s speech had a more pronounced temporal envelope with rhythmic amplitude modulations below 9 Hz, with a preference for modulations around 3 Hz. This may be taken as evidence for a more structured temporal organization of syllables in Clinton’s speech, potentially due to more frequent use of preplanned utterances. Outcomes are interpreted in light of the potential beneficial effects of a rhythmic temporal envelope on intelligibility and speaker perception.

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Language(s): eng - English
 Dates: 2017
 Publication Status: Not specified
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: -
 Degree: -

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Title: Interspeech 2017
Place of Event: Stockholm, Sweden
Start-/End Date: 2017-08-20 - 2017-08-24

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