{"updated":"2025-01-19T18:14:01.912450+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00210198","sets":["1164:5064:10547:10548"]},"path":["10548"],"owner":"44499","recid":"210198","title":["遺伝的アルゴリズムを用いたファミコン風自動編曲システムの生成"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-03-09"},"_buckets":{"deposit":"8f7a86fa-f723-4d4e-8063-da19ef312883"},"_deposit":{"id":"210198","pid":{"type":"depid","value":"210198","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"遺伝的アルゴリズムを用いたファミコン風自動編曲システムの生成","author_link":["531590","531589","531591"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"遺伝的アルゴリズムを用いたファミコン風自動編曲システムの生成"}]},"item_type_id":"4","publish_date":"2021-03-09","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"現在，日本大学"},{"subitem_text_value":"現在，日本大学"},{"subitem_text_value":"現在，日本大学"}]},"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/210198/files/IPSJ-MUS21130009.pdf","label":"IPSJ-MUS21130009.pdf"},"date":[{"dateType":"Available","dateValue":"2023-03-09"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS21130009.pdf","filesize":[{"value":"938.5 kB"}],"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":"0902e3fc-56cd-4940-82ff-14d912191897","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":"田原, 花蓮"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"植村, あい子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"北原, 鉄朗"}],"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":"本研究は既存のポピュラー音楽をファミコン風の音楽に自動編曲することを目的としたものである．ファミコン音楽は最大同時発音数が 4 音までという制約が決められているため，音を削除しなければならない．そこで各パートに対して適切な音削除が行えるよう，各パートに対して音を簡略化する「変換ルール」を複数設計し，遺伝的アルゴリズム (genetic algorithm：GA) を用いて最も相応しい変換ルールをパートごとに決定していく手法を用いてファミコン風音楽の生成を行った．MIDI ファイルを用いてファミコン風アレンジを行い，主観評価と客観評価に分けて評価実験を行った．主観評価では，プロの作曲家に評価（1 から 7 の 7 段階）してもらったところ，リズムの自然さについては，変換ルールありで小節ごとに GA を行ったアレンジ 1 では平均 5.8 が得られた．一方，主旋律とベース以外のパートの選び方の妥当性については，ランダムよりも低い結果になるなど，課題が残った．客観評価では，変換ルールありで小節ごとに GA を行ったアレンジ 1，続いて変換ルールなしで小節ごと GA を行ったアレンジ 4 が総合的に高い評価が確認できた．","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":"2021-03-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2021-MUS-130"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:11:27.556976+00:00","id":210198,"links":{}}