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Selecting type of response for chat-like spoken dialogue systems based on acoustic features of user utterances

机译:基于用户话语的声学特征为类似聊天的口语对话系统选择响应类型

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This paper describes a method of automatically selecting types of responses in conversational dialog systems, such as back-channel responses, changing the topic, or expanding the topic, using acoustic features extracted from user utterances. These features include spectral information described by MFCCs and LSPs, pitch information expressed by F0, loudness, etc. A corpus of dialogues between elderly people and an interviewer was constructed, and the results of evaluation experiments showed that our method achieved an F-measure of 49.3% in a speech segment identification task. Moreover, further improvement was achieved by utilizing the delta coefficients of each feature.
机译:本文介绍了一种方法,该方法使用从用户话语中提取的声学特征自动选择对话对话框系统中的响应类型,例如反向通道响应,更改主题或扩展主题。这些功能包括由MFCC和LSP所描述的频谱信息,由F0表示的音调信息,响度等。构建了老年人与访问者之间的对话语料库,并且评估实验的结果表明,我们的方法实现了F测度。在语音段识别任务中为49.3%。此外,通过利用每个特征的增量系数实现了进一步的改进。

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