EXPRESSION CLASSIFICATION DEVICE, EXPRESSION CLASSIFICATION METHOD, DISSATISFACTION DETECTION DEVICE, DISSATISFACTION DETECTION METHOD, AND MEDIUM
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United States of America Patent
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Sep 17, 2015
app pub date -
Sep 19, 2013
filing date -
Oct 31, 2012
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Abstract
An expression classification device includes: a segment detection unit that detects a specific expression segment that includes a specific expression that can be used in a plurality of nuances from data corresponding to a voice of a conversation; a feature extraction unit that extracts feature information that includes at least one of a prosody feature and an utterance timing feature with regard to the specific expression segment that is detected by the segment detection unit; and a classification unit that classifies the specific expression included in the specific expression segment based on a nuance corresponding to a use situation in the conversation by using the feature information extracted by the feature extraction unit.
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