Transformer-based transfer learning and multi-task learning for improving the performance of speech emotion recognition

Sunchan Park; Hyung Soon Kim

doi:10.7776/ASK.2021.40.5.515

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2021 Vol.40, Issue 5 Preview Page Next Page

Research Article

Transformer-based transfer learning and multi-task learning for improving the performance of speech emotion recognition 음성감정인식 성능 향상을 위한 트랜스포머 기반 전이학습 및 다중작업학습

30 September 2021. pp. 515-522

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Abstract

It is hard to prepare sufficient training data for speech emotion recognition due to the difficulty of emotion labeling. In this paper, we apply transfer learning with large-scale training data for speech recognition on a transformer-based model to improve the performance of speech emotion recognition. In addition, we propose a method to utilize context information without decoding by multi-task learning with speech recognition. According to the speech emotion recognition experiments using the IEMOCAP dataset, our model achieves a weighted accuracy of 70.6 % and an unweighted accuracy of 71.6 %, which shows that the proposed method is effective in improving the performance of speech emotion recognition.

Keywords

Speech emotion recognition

Transformer

Transfer learning

Multi-task learning

음성감정인식을 위한 훈련 데이터는 감정 레이블링의 어려움으로 인해 충분히 확보하기 어렵다. 본 논문에서는 음성감정인식의 성능 개선을 위해 트랜스포머 기반 모델에 대규모 음성인식용 훈련 데이터를 통한 전이학습을 적용한다. 또한 음성인식과의 다중작업학습을 통해 별도의 디코딩 없이 문맥 정보를 활용하는 방법을 제안한다. IEMOCAP 데이터 셋을 이용한 음성감정인식 실험을 통해, 가중정확도 70.6 % 및 비가중정확도 71.6 %를 달성하여, 제안된 방법이 음성감정인식 성능 향상에 효과가 있음을 보여준다.

키워드

음성감정인식

트랜스포머

전이학습

다중작업학습

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Information

Publisher :The Acoustical Society of Korea
Publisher(Ko) :한국음향학회
Journal Title :The Journal of the Acoustical Society of Korea
Journal Title(Ko) :한국음향학회지
Volume : 40
No :5
Pages :515-522
Received Date : 2021-07-16
Accepted Date : 2021-08-25
DOI :https://doi.org/10.7776/ASK.2021.40.5.515

The Journal of the Acoustical Society of Korea ISSN:1225-4428(Print) 2287-3775(Online) 한국음향학회지

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