Device for extracting keywords in a conversation
US8370145B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Dec 2, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/088
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention aims at extracting a keyword of conversation without preparations by advanced anticipation of keywords of conversation. A keyword extracting device of the present invention includes an audio input section 101 by way of which a speech sound made by a speaker is input; a speech segment determination section 102 that determines a speech segment for each speaker in connection with the input speech sound; a speech recognition section 103 that recognizes a speech sound of the determined speech segment for each speaker; an interrupt detection section 104 that detects a feature of a speech response suggesting presence of a keyword on the basis of a response of another speaker to speech sounds of respective speakers; namely, an interrupt where a preceding speech and a subsequent speech overlap; a keyword extraction section 105 that extracts the keyword from the speech in the speech segment specified on the basis of an interrupt; a keyword search section 106 that performs keyword search by means of the keyword; and a display section 107 that displays a result of keyword search.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.