{"created":"2025-01-19T01:33:56.000005+00:00","updated":"2025-01-19T10:18:21.287249+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00232835","sets":["1164:5064:11558:11559"]},"path":["11559"],"owner":"44499","recid":"232835","title":["演奏MIDIのリズム量子化のためのトークン化の提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-02"},"_buckets":{"deposit":"e585e602-5c29-4d0c-9bc5-473077ddb5de"},"_deposit":{"id":"232835","pid":{"type":"depid","value":"232835","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"演奏MIDIのリズム量子化のためのトークン化の提案","author_link":["631175","631176"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"演奏MIDIのリズム量子化のためのトークン化の提案"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"モデル化","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-03-02","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名古屋大学情報学研究科"},{"subitem_text_value":"名古屋大学情報学研究科"}]},"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/232835/files/IPSJ-MUS24139018.pdf","label":"IPSJ-MUS24139018.pdf"},"date":[{"dateType":"Available","dateValue":"2026-03-02"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS24139018.pdf","filesize":[{"value":"1.3 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":"21"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"0582a639-eb08-4b85-9554-5a8b300de320","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"天春, 陽介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"酒井, 正彦"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10438388","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":"2188-8752","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"演奏 MIDI からの自動採譜は，イベント時刻を表記可能な時刻に割り当てるリズム量子化，および，音符を楽譜上に表記する記譜からなる．リズム量子化において，音のなりはじめ（なりおわり）のオンイベント（オフイベント）と音符が 1 対 1 対応しないという問題点がその処理を困難にしている．本研究では，同一時刻に割り当てるイベントの集合を表すトークンの概念を導入することで，これらの問題点の解決を図る．具体的には，コードを含む単旋律音楽に対して，MIDI の部分イベント列がトークンとみなせるかどうかの条件を明らかにする．これにより，リズム量子化は字句解析と構文解析で定式化できることを示す．ここで字句解析は，与えられた MIDI イベント列を分割して得られる，正当なトークン列の全てからなる集合を得る処理である．また構文解析は，表記する時刻を葉に与えるリズム木を構文木と考えて，字句解析で得られたトークン列を順に葉に持つリズム木のうちで最も適切な木を求める処理である．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告音楽情報科学（MUS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-03-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicVolumeNumber":"2024-MUS-139"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":232835,"links":{}}