{"links":{},"id":2009798,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02009798","sets":["1164:5064:1770876432362:1779319553198"]},"path":["1779319553198"],"owner":"80578","recid":"2009798","title":["DAWプロジェクトの構造的差分検出とバージョン管理システム"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2026-05-29"},"_buckets":{"deposit":"9e452ceb-abb7-48a9-bf66-48b0cf3bbf13"},"_deposit":{"id":"2009798","pid":{"type":"depid","value":"2009798","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"DAWプロジェクトの構造的差分検出とバージョン管理システム","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"DAWプロジェクトの構造的差分検出とバージョン管理システム","subitem_title_language":"ja"},{"subitem_title":"Structure-Aware Version Control for DAW Projects","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"MUS","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2026-05-29","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"慶應義塾大学政策・メディア研究科"},{"subitem_text_value":"北陸先端科学技術大学院大学情報基盤センター"},{"subitem_text_value":"慶應義塾大学グローバルリサーチインスティテュート"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Keio University","subitem_text_language":"en"},{"subitem_text_value":"Japan Advanced Institute of Science and Technology Center for Information Infrastructure","subitem_text_language":"en"},{"subitem_text_value":"Keio University Global Research Institute","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/2009798/files/IPSJ-MUS26146025.pdf","label":"IPSJ-MUS26146025.pdf"},"date":[{"dateType":"Available","dateValue":"2028-05-29"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS26146025.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":"3573fda3-3daa-4888-82f6-5e3837f0e995","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2026 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"伊藤,有汰"}]},{"creatorNames":[{"creatorName":"阿部,涼介"}]},{"creatorNames":[{"creatorName":"鈴木,茂哉"}]}]},"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":"音楽制作の現場では，複数人による分業やリモートでの共同制作が一般的となっている．しかし，既存のDAW（Digital Audio Workstation）にはGitのようなバージョン管理機能が備わっておらず，多くの制作者はファイル名変更やクラウドストレージによる手動管理を余儀なくされている．また，2つのバージョン間で「どこが変わったか」を確認する手段が乏しく，変更の把握や統合に多大な労力を費やしている．本研究では，DAWプロジェクトのTrack，Event，Noteからなる階層構造に着目したバージョン管理システムを提案・実装する．本提案は，(1)各要素への永続的なID付与による構造的な差分検出と3-wayマージ，(2)階層構造に沿った視覚的差分表示，(3)変更前後の状態を音として再生する比較機能から構成される．提案手法に基づき，Webブラウザ上で動作するプロトタイプDAWを実装した．8名の音楽制作経験者を対象としたユーザースタディの結果，バージョン復元タスクで82.8%，並行編集の統合タスクで81.7%，変更箇所特定タスクで32.2%の時間短縮が確認された．定性評価においても全評価項目で提案手法が既存手法を上回り，DAWプロジェクトの構造を考慮したバージョン管理の有効性が示唆された．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告音楽情報科学（MUS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2026-05-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"25","bibliographicVolumeNumber":"2026-MUS-146"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2026-05-21T06:17:45.036343+00:00","updated":"2026-05-21T06:17:50.565879+00:00"}