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Domain Adversarial for Acoustic Emotion Recognition
Open accessAbstract
The performance of speech emotion recognition is affected by the differences in data distributions between train (source domain) and test (target domain) sets used to build and evaluate the models. This is a common problem, as multiple studies have shown that the performance of emotional classifiers drops when they are exposed to data that do not match the distribution used to build the emotion classifiers. The difference in data distributions becomes very clear when the training and testing data come from different domains, causing a large performance gap between development and testing performance. Due to the high cost of annotating new data and the abundance of unlabeled data, it is crucial to extract as much useful information as possible from the available unlabeled data. This study looks into the use of adversarial multitask training to extract a common representation between train and test domains. The primary task is to predict emotional-attribute-based descriptors for arousal, valence, or dominance. The secondary task is to learn a common representation, where the train and test domains cannot be distinguished. By using a gradient reversal layer, the gradients coming from the domain classifier are used to bring the source and target domain representations closer. We show that exploiting unlabeled data consistently leads to better emotion recognition performance across all emotional dimensions. We visualize the effect of adversarial training on the feature representation across the proposed deep learning architecture. The analysis shows that the data representations for the train and test domains converge as the data are passed to deeper layers of the network. We also evaluate the difference in performance when we use a shallow neural network versus a deep neural network and the effect of the number of shared layers used by the task and domain classifiers.
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Metadata
- Authors
- Abdelwahab, M., & Busso, C.
- Affiliations
- The University of Texas at Dallas (US)
- Venue
- IEEE/ACM Transactions on Audio, Speech, and Language Processing
- Published
- 2018-12
- Volume
- 26
- Issue
- 12
- Pages
- 2423-2435
- ISSN
- 2329-9290 (ISSN-L)
- 2329-9304
- OpenAlex
- W2798632413
- Cited by
- 178
- References
- 51
- Citations by year
- 2026: 4 · 2025: 16 · 2024: 20 · 2023: 22 · 2022: 22 · 2021: 40 · 2020: 29 · 2019: 23 · 2018: 2
- FWCI
- 30.78
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Licence
- Locations
- IEEE/ACM Transactions on Audio Speech and Language Processing (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University) (public-domain)
- Funders
- National Science Foundation (IIS-1453781)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Emotion and Mood Recognition
- Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
- Physical Sciences › Computer Science › Artificial Intelligence › Speech Recognition and Synthesis
- Keywords
- acoustic emotion recognition, domain adaptation, domain adversarial learning, gradient reversal layer, unlabeled data, shared representation learning, multi-task learning
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