{"created":"2023-07-25T10:25:26.727134+00:00","id":3797,"links":{},"metadata":{"_buckets":{"deposit":"9e5e7c4c-a817-4d8b-ae98-9b83545d54bd"},"_deposit":{"created_by":2,"id":"3797","owners":[2],"pid":{"revision_id":0,"type":"depid","value":"3797"},"status":"published"},"_oai":{"id":"oai:naist.repo.nii.ac.jp:00003797","sets":["34:35"]},"author_link":["6201","6202","6199","6200"],"item_7_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Lecture Speech Recognition Using Large Corpus of Spontaneous Japanese"}]},"item_7_biblio_info_9":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"459","bibliographicPageStart":"450","bibliographicVolumeNumber":"J86-D-II","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌D-II"}]}]},"item_7_description_19":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_7_description_7":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"開放的融合研究「話し言葉工学」プロジェクトにおいて構築されている日本語話し言葉コーパスを用いて講演音声の認識を行った.話し言葉は書き言葉の読上げ音声と大きく性質が異なるため,それに合致したモデル化と認識手法の検討が必要となる.音響モデルについては発話スタイルとデータ量の影響を調べた.言語モデルについては,話し言葉コーパスのデータ量不足を補うために他のコーパスと混合する方法,特に混合重みの最適化手法を提案する.また認識に際して,事前の発話のセグメンテーションが容易でないため,ショートポーズの自動認識に基づいて区分化と認識結果の確定を行う逐次デコーディング方式を提案・実装した.10名の話者による講演音声の認識実験で提案手法の有効性を示し,平均66.2%の認識率を得た.","subitem_description_type":"Abstract"}]},"item_7_publisher_10":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_7_rights_11":{"attribute_name":"出版者URL","attribute_value_mlt":[{"subitem_rights":"http://ci.nii.ac.jp/naid/110003170907 | http://ci.nii.ac.jp/naid/110003170907"}]},"item_7_rights_18":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (C) 2003 電子情報通信学会."}]},"item_7_source_id_12":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0915-1923","subitem_source_identifier_type":"ISSN"}]},"item_7_source_id_14":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN1007132X","subitem_source_identifier_type":"NCID"}]},"item_7_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"南條, 浩輝"}],"nameIdentifiers":[{"nameIdentifier":"6199","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"加藤, 一臣"}],"nameIdentifiers":[{"nameIdentifier":"6200","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"李, 晃伸"}],"nameIdentifiers":[{"nameIdentifier":"6201","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"河原, 達也"}],"nameIdentifiers":[{"nameIdentifier":"6202","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2023-03-02"}],"displaytype":"detail","filename":"IEICEDII_JD86II_4_450.pdf","filesize":[{"value":"6.9 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"IEICEDII_JD86II_4_450.pdf","url":"https://naist.repo.nii.ac.jp/record/3797/files/IEICEDII_JD86II_4_450.pdf"},"version_id":"478a740d-e53c-4a3b-9ca2-7f2bb8cbff87"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"話し言葉","subitem_subject_scheme":"Other"},{"subitem_subject":"音声認識","subitem_subject_scheme":"Other"},{"subitem_subject":"音響モデル","subitem_subject_scheme":"Other"},{"subitem_subject":"言語モデル","subitem_subject_scheme":"Other"},{"subitem_subject":"逐次デコーダ","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"大規模な日本語話し言葉データベースを用いた講演音声認識","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"大規模な日本語話し言葉データベースを用いた講演音声認識"}]},"item_type_id":"7","owner":"2","path":["35"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-07-05"},"publish_date":"2012-07-05","publish_status":"0","recid":"3797","relation_version_is_last":true,"title":["大規模な日本語話し言葉データベースを用いた講演音声認識"],"weko_creator_id":"2","weko_shared_id":-1},"updated":"2023-07-25T14:15:47.708491+00:00"}