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  Affective encoding in the speech signal and in event-related brain potentials

Alter, K., Rank, E., Kotz, S. A., Toepel, U., Besson, M., Schirmer, A., et al. (2003). Affective encoding in the speech signal and in event-related brain potentials. Speech Communication, 40(1-2), 61-70.

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 Urheber:
Alter, Kai1, Autor           
Rank, E., Autor
Kotz, Sonja A.1, Autor           
Toepel, Ulrike1, Autor           
Besson, Mireille, Autor
Schirmer, Annett1, Autor           
Friederici, Angela D.1, Autor           
Affiliations:
1MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634574              

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Schlagwörter: Acoustics of affective speech; Event-related brain potentials
 Zusammenfassung: A number of perceptual features have been utilized for the characterization of the emotional state of a speaker. However, for automatic recognition suitable objective features are needed. We have examined several features of the speech signal in relation to accentuation and traces of event-related brain potentials (ERPs) during affective speech perception. Concerning the features of the speech signal we focus on measures related to breathiness and roughness. The objective measures used were an estimation of the harmonics-to-noise ratio, the glottal-to-noise excitation ratio, a measure for spectral flatness, as well as the maximum prediction gain for a speech production model computed by the mutual information function and the ERPs. Results indicate that in particular the maximum prediction gain shows a good differentiation between neutral and non-neutral emotional speaker state. This differentiation is partly comparable to the ERP results that show a differentiation of neutral, positive and negative affect. Other objective measures are more related to accentuation than to emotional state of the speaker.

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
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 Identifikatoren: eDoc: 239065
Anderer: P6619
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Titel: Speech Communication
  Andere : Speech Commun.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Amsterdam, Netherlands : Elsevier
Seiten: - Band / Heft: 40 (1-2) Artikelnummer: - Start- / Endseite: 61 - 70 Identifikator: ISSN: 0167-6393
CoNE: https://pure.mpg.de/cone/journals/resource/954925483662