| 摘要 |
PROBLEM TO BE SOLVED: To obtain importance of a complaint included in voice data.SOLUTION: A complaint keyword table 110 stores complaint keyword information including: complaint keywords, which are character strings of expressions that have frequently appeared in complaints; and importance factors indicating importance of the complaint keywords. A voice-to-text converter 102 converts voice data into voice text consisting of character strings, and divides the voice text into a plurality of sentences by punctuation marks. A complaint detector 103 extracts sentences including the complaint keywords included in the complaint keyword information stored in the complaint keyword table 110, from among the plurality of sentences divided by the voice-to-text converter 102, and obtains importance of complaints expressed by the extracted sentences, based on the importance factors included in the complaint keyword information, and pitch of voices corresponding to the extracted sentences.SELECTED DRAWING: Figure 1 |
