| 摘要 |
<p>A specific call detecting device includes: an utterance period detecting unit which detects at least a first utterance period in which the first speaker speaks in a call between a first speaker and a second speaker; an utterance ratio calculating unit which calculates utterance ratio of the first speaker in the call; a voice recognition execution determining unit which determines whether at least one of the first voice of the first speaker and second voice of the second speaker becomes a target of voice recognition or not on the basis of the utterance ratio of the first speaker; a voice recognizing unit which detects a keyword related to a specific call from the voice determined as a target of voice recognition among the first and second voices; and a determining unit which determines whether the call is the specific call or not on the basis of the detected keyword.</p> |
