{"created":"2025-01-19T01:14:56.389800+00:00","updated":"2025-01-19T16:53:58.200882+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00214106","sets":["1164:5159:10515:10760"]},"path":["10760"],"owner":"44499","recid":"214106","title":["多言語事前学習と敵対的学習による非ネイティブ英語音声認識"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-11-24"},"_buckets":{"deposit":"eb246ec3-cda1-4f17-ad23-15ee4cf94019"},"_deposit":{"id":"214106","pid":{"type":"depid","value":"214106","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"多言語事前学習と敵対的学習による非ネイティブ英語音声認識","author_link":["548669","548668"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"多言語事前学習と敵対的学習による非ネイティブ英語音声認識"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"言語学習","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-11-24","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"東京工業大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Tokyo Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Tokyo Institute of Technology","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/214106/files/IPSJ-SLP21139012.pdf","label":"IPSJ-SLP21139012.pdf"},"date":[{"dateType":"Available","dateValue":"2023-11-24"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SLP21139012.pdf","filesize":[{"value":"1.1 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"22"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"db52a9ee-9e60-49c7-86a1-4e4a71bdb42b","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"森, 滉介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"篠崎, 隆宏"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10442647","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8663","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"言語学習者のスピーキング能力自動評価には正確な非ネイティブ音声認識が必要である．非ネイティブ話者による発音はネイティブ話者と異なるため，同じ母国語を持つ非ネイティブ話者の音声でモデルを学習させることが望ましい．しかし，利用可能なラベル付き音声データは限られており，モデルの学習データとして用いるには不十分である．そこで本稿では，データ量が豊富な言語の知識を活用する転移学習手法を提案する．この手法では，多言語のコーパスから言語に依存しない知識をモデルに事前学習させ，敵対的学習によってモデルを非ネイティブ英語に適応させる．実験では，日本人英語データセットを用いてモデルの性能を評価した．その結果 WER は，事前学習させる言語を増やすことで減少し，敵対的学習による適応によってさらに改善した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"5","bibliographic_titles":[{"bibliographic_title":"研究報告音声言語情報処理（SLP）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-11-24","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"12","bibliographicVolumeNumber":"2021-SLP-139"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":214106,"links":{}}