Data processing: speech signal processing – linguistics – language – Linguistics – Natural language
Reexamination Certificate
2004-06-17
2008-08-19
Chawan, Vijay B (Department: 2626)
Data processing: speech signal processing, linguistics, language
Linguistics
Natural language
C704S003000, C704S257000, C704S275000, C704S251000, C704S231000
Reexamination Certificate
active
07415406
ABSTRACT:
An automatic conversation apparatus includes a speech recognizing unit receiving a speech signal and outputting characters/character string corresponding to the speech signal as a recognition result; a speech recognition dictionary storing unit storing a language model for determining candidates corresponding to the speech signal; a conversation database storing plural pieces of topic specifying information; a sentence analyzing unit analyzing the characters/character string outputted from the speech recognizing unit; and a conversation control unit storing a conversation history and acquiring an answer sentence based on an analysis result of the sentence analyzing unit. Speech recognizing unit includes a collating unit that outputs plural candidates based on the speech recognition dictionary storing unit; and a candidate determining unit comparing the plural candidates outputted from collating unit with topic specifying information corresponding to the conversation history with reference to the conversation database and outputs one candidate based on the comparison.
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Huang Shengyang
Katukura Hiroshi
Chawan Vijay B
Jordan and Hamburg LLP
P to PA, Inc.
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