An emotional spoken dialogue system that uses a sentiment analyzer to pick an emotion tag and PromptTTS to synthesize matching speech outperforms a neutral baseline on perceived emotional appropriateness, but not significantly on engagement.
Yamazaki, Sachiko Nakamura, Alyssa Vuogan, Hyejin An, Claudia J
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EmoNews: A Spoken Dialogue System for Expressive News Conversations
An emotional spoken dialogue system that uses a sentiment analyzer to pick an emotion tag and PromptTTS to synthesize matching speech outperforms a neutral baseline on perceived emotional appropriateness, but not significantly on engagement.