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Authors: Giovanni Costantini 1 ; E. Parada-Cabaleiro 2 and Daniele Casali 1

Affiliations: 1 Department of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, Italy ; 2 Institute of Computational Perception, Johannes Kepler University Linz, Austria

Keyword(s): Speech Emotional Recognition, Italian Corpus, Mood Induction, Natural Speech, Acoustic Features.

Abstract: Although Speech Emotion Recognition (SER) has become a major area of research in affective computing, the automatic identification of emotions in some specific languages, such as Italian, is still under-investigated. In this regard, we assess how different machine learning methods for SER can be applied in the identification of emotions in Italian language. In agreement with studies that criticize the use of acted emotions in SER, we considered DEMoS, a new database in Italian built through mood induction procedures. The corpus consists of 9365 spoken utterances produced by 68 Italian native speakers (23 females, 45 males) in a variety of emotional states. Experiments were carried out for female and male separately, considering for each a specific feature set. The two feature sets were selected by applying Correlation-based Feature Selection from the INTERSPEECH 2013 ComParE Challenge feature set. For the classification process, we used Support Vector Machine. Confirming previous wor k, our research outcomes show that the basic emotions anger and sadness are the best identified, while others more ambiguous, such as surprise, are worse. Our work shows that traditional machine learning methods for SER can be also applied in the recognition of an under-investigating language, such as Italian, obtaining competitive results. (More)

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Paper citation in several formats:
Costantini, G.; Parada-Cabaleiro, E. and Casali, D. (2021). Automatic Emotion Recognition from DEMoS Corpus by Machine Learning Analysis of Selected Vocal Features. In Proceedings of the 14th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2021) - BIOSIGNALS; ISBN 978-989-758-490-9; ISSN 2184-4305, SciTePress, pages 357-364. DOI: 10.5220/0010392500002865

@conference{biosignals21,
author={Giovanni Costantini. and E. Parada{-}Cabaleiro. and Daniele Casali.},
title={Automatic Emotion Recognition from DEMoS Corpus by Machine Learning Analysis of Selected Vocal Features},
booktitle={Proceedings of the 14th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2021) - BIOSIGNALS},
year={2021},
pages={357-364},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010392500002865},
isbn={978-989-758-490-9},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 14th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2021) - BIOSIGNALS
TI - Automatic Emotion Recognition from DEMoS Corpus by Machine Learning Analysis of Selected Vocal Features
SN - 978-989-758-490-9
IS - 2184-4305
AU - Costantini, G.
AU - Parada-Cabaleiro, E.
AU - Casali, D.
PY - 2021
SP - 357
EP - 364
DO - 10.5220/0010392500002865
PB - SciTePress