{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00142043","sets":["1164:5064:7900:8256"]},"path":["8256"],"owner":"11","recid":"142043","title":["モノラル音楽音響信号を対象としたRPCAと音高推定に基づく歌声・伴奏分離"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-05-16"},"_buckets":{"deposit":"e20b7da0-e946-4bb7-b567-5de7ad03102d"},"_deposit":{"id":"142043","pid":{"type":"depid","value":"142043","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"モノラル音楽音響信号を対象としたRPCAと音高推定に基づく歌声・伴奏分離","author_link":["209348","209349","209347"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"モノラル音楽音響信号を対象としたRPCAと音高推定に基づく歌声・伴奏分離"}]},"item_type_id":"4","publish_date":"2015-05-16","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"京都大学大学院情報学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Informatics, Kyoto University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Informatics, Kyoto University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Informatics, Kyoto University","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/142043/files/IPSJ-MUS15107057.pdf"},"date":[{"dateType":"Available","dateValue":"2017-05-16"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS15107057.pdf","filesize":[{"value":"2.2 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":"e0ceaa26-0ca3-48ba-ba14-fde0343a036b","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"池宮, 由楽"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"糸山, 克寿"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉井, 和佳"}],"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":"本稿では，モノラル音楽音響信号を対象とした歌声・伴奏分離手法を提案する．提案手法では，歌声分離と歌声音高推定が相補的な関係を持つことを利用し，伴奏からメロディーに相当する歌声を選択的に分離する．まず，時間周波数領域へ変換された入力音響信号に対しロバスト主成分分析 （RPCA） を適用し，ドラムやギターといった繰り返し構造を持つスペクトログラムとそれ以外の歌声などを含むスペクトログラムに分離する．この出力からメロディーに相当する歌声音高軌跡を推定し，その音高を基本周波数 （F0） とする調波構造をマスキングすることで，より選択的に歌声と伴奏を分離する．評価実験では，歌声分離と音高推定双方について，既存の state-of-the-art な手法と比較し，提案手法がより高い精度を実現することを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"3","bibliographic_titles":[{"bibliographic_title":"研究報告音楽情報科学（MUS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2015-05-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"57","bibliographicVolumeNumber":"2015-MUS-107"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"updated":"2025-01-20T19:09:36.667404+00:00","created":"2025-01-19T00:19:32.782189+00:00","id":142043}