Switchboard-Affect: Emotion Perception Labels from Conversational Speech

Fuente: arXiv
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Hauptverfasser: Romana, Amrit, Narain, Jaya, Tran, Tien Dung, Davis, Andrea, Fong, Jason, Rasipuram, Ramya, Mitra, Vikramjit
Format: Preprint
Veröffentlicht: 2025
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author Romana, Amrit
Narain, Jaya
Tran, Tien Dung
Davis, Andrea
Fong, Jason
Rasipuram, Ramya
Mitra, Vikramjit
author_facet Romana, Amrit
Narain, Jaya
Tran, Tien Dung
Davis, Andrea
Fong, Jason
Rasipuram, Ramya
Mitra, Vikramjit
contents Understanding the nuances of speech emotion dataset curation and labeling is essential for assessing speech emotion recognition (SER) model potential in real-world applications. Most training and evaluation datasets contain acted or pseudo-acted speech (e.g., podcast speech) in which emotion expressions may be exaggerated or otherwise intentionally modified. Furthermore, datasets labeled based on crowd perception often lack transparency regarding the guidelines given to annotators. These factors make it difficult to understand model performance and pinpoint necessary areas for improvement. To address this gap, we identified the Switchboard corpus as a promising source of naturalistic conversational speech, and we trained a crowd to label the dataset for categorical emotions (anger, contempt, disgust, fear, sadness, surprise, happiness, tenderness, calmness, and neutral) and dimensional attributes (activation, valence, and dominance). We refer to this label set as Switchboard-Affect (SWB-Affect). In this work, we present our approach in detail, including the definitions provided to annotators and an analysis of the lexical and paralinguistic cues that may have played a role in their perception. In addition, we evaluate state-of-the-art SER models, and we find variable performance across the emotion categories with especially poor generalization for anger. These findings underscore the importance of evaluation with datasets that capture natural affective variations in speech. We release the labels for SWB-Affect to enable further analysis in this domain.
format Preprint
id arxiv_https___arxiv_org_abs_2510_13906
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Switchboard-Affect: Emotion Perception Labels from Conversational Speech
Romana, Amrit
Narain, Jaya
Tran, Tien Dung
Davis, Andrea
Fong, Jason
Rasipuram, Ramya
Mitra, Vikramjit
Audio and Speech Processing
Machine Learning
Sound
Understanding the nuances of speech emotion dataset curation and labeling is essential for assessing speech emotion recognition (SER) model potential in real-world applications. Most training and evaluation datasets contain acted or pseudo-acted speech (e.g., podcast speech) in which emotion expressions may be exaggerated or otherwise intentionally modified. Furthermore, datasets labeled based on crowd perception often lack transparency regarding the guidelines given to annotators. These factors make it difficult to understand model performance and pinpoint necessary areas for improvement. To address this gap, we identified the Switchboard corpus as a promising source of naturalistic conversational speech, and we trained a crowd to label the dataset for categorical emotions (anger, contempt, disgust, fear, sadness, surprise, happiness, tenderness, calmness, and neutral) and dimensional attributes (activation, valence, and dominance). We refer to this label set as Switchboard-Affect (SWB-Affect). In this work, we present our approach in detail, including the definitions provided to annotators and an analysis of the lexical and paralinguistic cues that may have played a role in their perception. In addition, we evaluate state-of-the-art SER models, and we find variable performance across the emotion categories with especially poor generalization for anger. These findings underscore the importance of evaluation with datasets that capture natural affective variations in speech. We release the labels for SWB-Affect to enable further analysis in this domain.
title Switchboard-Affect: Emotion Perception Labels from Conversational Speech
topic Audio and Speech Processing
Machine Learning
Sound
url https://arxiv.org/abs/2510.13906