{"id":72701,"updated":"2025-01-21T22:39:24.827209+00:00","links":{},"created":"2025-01-18T23:30:57.810005+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00072701","sets":["1164:5064:6322:6323"]},"path":["6323"],"owner":"10","recid":"72701","title":["統計的信号処理を用いた合奏音からの楽器パート音の分離"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-02-04"},"_buckets":{"deposit":"dfc66f1e-f5c6-45b1-9ffa-3bbef1914b3a"},"_deposit":{"id":"72701","pid":{"type":"depid","value":"72701","revision_id":0},"owners":[10],"status":"published","created_by":10},"item_title":"統計的信号処理を用いた合奏音からの楽器パート音の分離","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"統計的信号処理を用いた合奏音からの楽器パート音の分離"},{"subitem_title":"Separation of each Instrumental part in music sounds with a statistical signal processing","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"楽音解析","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2011-02-04","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"新居浜工業高等専門学校電子制御工学科"},{"subitem_text_value":"新居浜工業高等専門学校専攻科"},{"subitem_text_value":"新居浜工業高等専門学校電子制御工学科"},{"subitem_text_value":"新居浜工業高等専門学校電子制御工学科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Electronic Control Department, Niihama National College of Technology","subitem_text_language":"en"},{"subitem_text_value":"Advanced Study Courses, Niihama National College of Technology","subitem_text_language":"en"},{"subitem_text_value":"Electronic Control Department, Niihama National College of Technology","subitem_text_language":"en"},{"subitem_text_value":"Electronic Control Department, Niihama National College of Technology","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/72701/files/IPSJ-MUS11089020.pdf"},"date":[{"dateType":"Available","dateValue":"2013-02-04"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS11089020.pdf","filesize":[{"value":"946.8 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":"6c2a94ea-5d1f-47e3-991e-ca7467e86d01","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2011 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"深山, 幸穂"},{"creatorName":"田中, 大介"},{"creatorName":"高本, 健生"},{"creatorName":"佐々木, 崇人"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yukio, Fukayama","creatorNameLang":"en"},{"creatorName":"Daisuke, Tanaka","creatorNameLang":"en"},{"creatorName":"Kensei, Takamoto","creatorNameLang":"en"},{"creatorName":"Takato, Sasaki","creatorNameLang":"en"}],"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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本報では統計的最小二乗規範に基づき，合奏音のモノラル信号を指定された楽器パートごとの演奏音に分離する信号処理法を検討する．前提として，対象となる楽器パートの音域内の音高の異なる各音について，自己相関行列と相互相関行列を既知とした．この信号処理法では合奏音を前述の各音に音量係数を乗じた和と仮定し，まず，入力した合奏音の自己相関行列から各音の音量係数を同定し，次に，合奏音と各音との相互相関行列を算出している．そして，これらの自己相関行列と相互相関行列から，楽器パートごとの音を推定するフィルタの係数を求める．バイオリン音，トランペット音，フルート音による実施例を付す．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"An optimal filter that separates a tone of particular pitch highness played by particular instrument applying the statistical least square criterion is discussed. The filter is based on a priori autocorrelations of and cross correlations among tones. It firstly identifies current amplitude factors of tones; then, it evaluates cross correlation between current input signal and each tone. Finally it obtains the estimate of seeking tone from the input signal which is mixture of sounds played by instruments and corrupted by white noise. Some numerical examples with violin, trumpet and flute tones are also introduced.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告 音楽情報科学（MUS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2011-02-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"20","bibliographicVolumeNumber":"2011-MUS-89"}]},"relation_version_is_last":true,"weko_creator_id":"10"}}