Usefulness of Emotional Prosody in Neural Machine Translation

• URL: http://arxiv.org/abs/2404.17968v1
• Date: Sat, 27 Apr 2024 18:04:28 GMT
• Title: Usefulness of Emotional Prosody in Neural Machine Translation
• Authors: Charles Brazier, Jean-Luc Rouas,
• Abstract summary: We propose to improve translation quality by adding another external source of information: the automatically recognized emotion in the voice. This work is motivated by the assumption that each emotion is associated with a specific lexicon that can overlap between emotions. We show that integrating emotion information, especially arousal, into NMT systems leads to better translations.
• Score: 1.0205541448656992
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Neural Machine Translation (NMT) is the task of translating a text from one language to another with the use of a trained neural network. Several existing works aim at incorporating external information into NMT models to improve or control predicted translations (e.g. sentiment, politeness, gender). In this work, we propose to improve translation quality by adding another external source of information: the automatically recognized emotion in the voice. This work is motivated by the assumption that each emotion is associated with a specific lexicon that can overlap between emotions. Our proposed method follows a two-stage procedure. At first, we select a state-of-the-art Speech Emotion Recognition (SER) model to predict dimensional emotion values from all input audio in the dataset. Then, we use these predicted emotions as source tokens added at the beginning of input texts to train our NMT model. We show that integrating emotion information, especially arousal, into NMT systems leads to better translations.

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