JP5405672B2 - 外国語学習装置及び対話システム - Google Patents
外国語学習装置及び対話システム Download PDFInfo
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Description
前記発話意図認識器は前記発話ベースモデルによる発話意図と前記対話文脈ベースモデルによる発話意図を統計的に合成して前記ユーザの発話意図を抽出できる。
まずは図1及び図2を参照して本発明の実施形態による外国語学習装置に対して詳しく説明する。
学習者が対話中にどのようにしゃべれば良いのかが全くわからず対話の文章を続けることができない場合、学習者は所定時間以上発話ができないことがある。この場合、対話管理モジュール40で応答時間が経過したことをフィードバック処理器30に知らせ、学習者との対話内容をフィードバック処理器30に伝達する。すると、フィードバック処理器30では現在の対話文脈情報を考慮して学習者の対話文脈に応じて主題又はテーマを選択し、最終の対話文章に続けて対話を持続して行ける文章をお勧め表現として表現データベース90から抽出する。
学習者の発話が正しくないと判断された場合、フィードバック処理器30は対話文脈を考慮して表現データベース90から学習者の発話意図に最も沿った文章を選択して正しい表現として抽出する。
学習者の発話が正しいと判断された場合、フィードバック処理器30は表現データベース90から学習者の発話と同一又は類似の内容の異なる表現を選択して代替表現として抽出する。
Claims (11)
- ユーザが発話した音声を認識して発話テキストに変換する音声認識器と、
前記ユーザのレベル情報及び対話文脈情報を用いて前記発話テキストに対するユーザの発話意図を抽出する発話意図認識器と、
前記ユーザの発話意図及び前記ユーザの発話状況に応じて互いに異なる表現を抽出するフィードバック処理器と、
を含む外国語学習装置であって、
前記発話意図認識器は前記ユーザのレベル毎に個別的に生成された複数の発話ベースモデルと対話文脈を考慮して生成された対話文脈ベースモデルとを用いて前記ユーザの発話意図を抽出する外国語学習装置。 - 前記発話意図認識器は前記ユーザのレベル情報に応じた発話ベースモデルを選択し、前記選択された発話ベースモデルを用いて前記発話テキストに対する発話意図を推定し、前記対話文脈ベースモデルを用いて前記対話文脈情報に基づく発話意図を推定する請求項1に記載の外国語学習装置。
- 前記発話意図認識器は前記発話ベースモデルによる発話意図と前記対話文脈ベースモデルによる発話意図を統計的に合成して前記ユーザの発話意図を抽出する請求項2に記載の外国語学習装置。
- 前記ユーザの発話意図及び前記対話文脈情報に応じて前記発話テキストに対する応答を生成する対話管理モジュールをさらに含む請求項1に記載の外国語学習装置。
- 前記フィードバック処理器は予め決められた時間内に前記ユーザの発話が入力されなかったか、または前記ユーザから助けを求められた場合はデータベースからお勧め表現を抽出して前記ユーザに提供する請求項1に記載の外国語学習装置。
- 前記フィードバック処理器は前記ユーザの発話が正しくない場合はデータベースから正しい表現を抽出して前記ユーザに提供する請求項1に記載の外国語学習装置。
- 前記フィードバック処理器は前記ユーザの発話が正しい場合は前記ユーザ発話と同一又は類似の意味を有する代替表現をデータベースから抽出して前記ユーザに提供する請求項1に記載の外国語学習装置。
- 前記フィードバック処理器から抽出された表現を自然語発話に変換する自然語発話生成器と、
前記自然語発話生成器で変換された自然語発話を音声で合成する音声合成器と、
をさらに含む請求項1に記載の外国語学習装置。 - ユーザが発話した音声を認識して発話テキストに変換する音声認識器と、
前記ユーザのレベル毎に個別的に生成された複数の発話ベースモデルと対話文脈を考慮して生成された対話文脈ベースモデルとを用いて前記発話テキストに対するユーザの発話意図を抽出する発話意図認識器と、
を含む対話システム。 - 前記発話意図認識器は前記ユーザのレベル情報に応じた発話ベースモデルを選択し、前記選択された発話ベースモデルを用いて前記発話テキストに対する発話意図を推定し、前記対話文脈ベースモデルを用いて前記対話文脈情報に基づく発話意図を推定する請求項9に記載の対話システム。
- 前記発話意図認識器は前記発話ベースモデルによる発話意図と前記対話文脈ベースモデルによる発話意図を統計的に合成して前記ユーザの発話意図を抽出する請求項10に記載の対話システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2009-0125469 | 2009-12-16 | ||
KR1020090125469A KR101211796B1 (ko) | 2009-12-16 | 2009-12-16 | 외국어 학습 장치 및 그 제공 방법 |
PCT/KR2010/007073 WO2011074771A2 (ko) | 2009-12-16 | 2010-10-15 | 외국어 학습 장치 및 그 제공 방법. |
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JP2013512461A JP2013512461A (ja) | 2013-04-11 |
JP5405672B2 true JP5405672B2 (ja) | 2014-02-05 |
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US (1) | US9767710B2 (ja) |
EP (1) | EP2515286A4 (ja) |
JP (1) | JP5405672B2 (ja) |
KR (1) | KR101211796B1 (ja) |
CN (1) | CN102667889B (ja) |
WO (1) | WO2011074771A2 (ja) |
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