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Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content

While previous research investigating music emotion perception of cochlear implant (CI) users observed that temporal cues informing tempo largely convey emotional arousal (relaxing/stimulating), it remains unclear how other properties of the temporal content may contribute to the transmission of aro...

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Autores principales: Harding, Eleanor E., Gaudrain, Etienne, Hrycyk, Imke J., Harris, Robert L., Tillmann, Barbara, Maat, Bert, Free, Rolien H., Başkent, Deniz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: SAGE Publications 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9837297/
https://www.ncbi.nlm.nih.gov/pubmed/36628512
http://dx.doi.org/10.1177/23312165221141142
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author Harding, Eleanor E.
Gaudrain, Etienne
Hrycyk, Imke J.
Harris, Robert L.
Tillmann, Barbara
Maat, Bert
Free, Rolien H.
Başkent, Deniz
author_facet Harding, Eleanor E.
Gaudrain, Etienne
Hrycyk, Imke J.
Harris, Robert L.
Tillmann, Barbara
Maat, Bert
Free, Rolien H.
Başkent, Deniz
author_sort Harding, Eleanor E.
collection PubMed
description While previous research investigating music emotion perception of cochlear implant (CI) users observed that temporal cues informing tempo largely convey emotional arousal (relaxing/stimulating), it remains unclear how other properties of the temporal content may contribute to the transmission of arousal features. Moreover, while detailed spectral information related to pitch and harmony in music — often not well perceived by CI users— reportedly conveys emotional valence (positive, negative), it remains unclear how the quality of spectral content contributes to valence perception. Therefore, the current study used vocoders to vary temporal and spectral content of music and tested music emotion categorization (joy, fear, serenity, sadness) in 23 normal-hearing participants. Vocoders were varied with two carriers (sinewave or noise; primarily modulating temporal information), and two filter orders (low or high; primarily modulating spectral information). Results indicated that emotion categorization was above-chance in vocoded excerpts but poorer than in a non-vocoded control condition. Among vocoded conditions, better temporal content (sinewave carriers) improved emotion categorization with a large effect while better spectral content (high filter order) improved it with a small effect. Arousal features were comparably transmitted in non-vocoded and vocoded conditions, indicating that lower temporal content successfully conveyed emotional arousal. Valence feature transmission steeply declined in vocoded conditions, revealing that valence perception was difficult for both lower and higher spectral content. The reliance on arousal information for emotion categorization of vocoded music suggests that efforts to refine temporal cues in the CI user signal may immediately benefit their music emotion perception.
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spelling pubmed-98372972023-01-14 Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content Harding, Eleanor E. Gaudrain, Etienne Hrycyk, Imke J. Harris, Robert L. Tillmann, Barbara Maat, Bert Free, Rolien H. Başkent, Deniz Trends Hear Cochlear Implants and Music While previous research investigating music emotion perception of cochlear implant (CI) users observed that temporal cues informing tempo largely convey emotional arousal (relaxing/stimulating), it remains unclear how other properties of the temporal content may contribute to the transmission of arousal features. Moreover, while detailed spectral information related to pitch and harmony in music — often not well perceived by CI users— reportedly conveys emotional valence (positive, negative), it remains unclear how the quality of spectral content contributes to valence perception. Therefore, the current study used vocoders to vary temporal and spectral content of music and tested music emotion categorization (joy, fear, serenity, sadness) in 23 normal-hearing participants. Vocoders were varied with two carriers (sinewave or noise; primarily modulating temporal information), and two filter orders (low or high; primarily modulating spectral information). Results indicated that emotion categorization was above-chance in vocoded excerpts but poorer than in a non-vocoded control condition. Among vocoded conditions, better temporal content (sinewave carriers) improved emotion categorization with a large effect while better spectral content (high filter order) improved it with a small effect. Arousal features were comparably transmitted in non-vocoded and vocoded conditions, indicating that lower temporal content successfully conveyed emotional arousal. Valence feature transmission steeply declined in vocoded conditions, revealing that valence perception was difficult for both lower and higher spectral content. The reliance on arousal information for emotion categorization of vocoded music suggests that efforts to refine temporal cues in the CI user signal may immediately benefit their music emotion perception. SAGE Publications 2023-01-11 /pmc/articles/PMC9837297/ /pubmed/36628512 http://dx.doi.org/10.1177/23312165221141142 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by-nc/4.0/This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).
spellingShingle Cochlear Implants and Music
Harding, Eleanor E.
Gaudrain, Etienne
Hrycyk, Imke J.
Harris, Robert L.
Tillmann, Barbara
Maat, Bert
Free, Rolien H.
Başkent, Deniz
Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title_full Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title_fullStr Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title_full_unstemmed Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title_short Musical Emotion Categorization with Vocoders of Varying Temporal and Spectral Content
title_sort musical emotion categorization with vocoders of varying temporal and spectral content
topic Cochlear Implants and Music
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9837297/
https://www.ncbi.nlm.nih.gov/pubmed/36628512
http://dx.doi.org/10.1177/23312165221141142
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