{"updated":"2025-01-20T11:37:02.841060+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00162755","sets":["6504:8672:8736"]},"path":["8736"],"owner":"6748","recid":"162755","title":["ビート位置依存隠れセミマルコフモデルに基づく音楽音響信号に対するコード認識"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-03-10"},"_buckets":{"deposit":"732c67dc-cf89-476c-9c0d-1efca524f6af"},"_deposit":{"id":"162755","pid":{"type":"depid","value":"162755","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"ビート位置依存隠れセミマルコフモデルに基づく音楽音響信号に対するコード認識","author_link":["317876","317875","317878","317879","317877"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ビート位置依存隠れセミマルコフモデルに基づく音楽音響信号に対するコード認識"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"人工知能と認知科学","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2016-03-10","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京大"},{"subitem_text_value":"ヤマハ"},{"subitem_text_value":"京大"},{"subitem_text_value":"京大"},{"subitem_text_value":"京大"}]},"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/162755/files/IPSJ-Z78-3Q-02.pdf","label":"IPSJ-Z78-3Q-02.pdf"},"date":[{"dateType":"Available","dateValue":"2016-05-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-Z78-3Q-02.pdf","filesize":[{"value":"290.1 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"669e1688-e60b-4943-ab6e-2d81afbba774","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"丸尾, 智志"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"前澤, 陽"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中村, 栄太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"糸山, 克寿"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉井, 和佳"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本稿では，コード遷移のビート位置依存性を考慮した隠れセミマルコフモデル（HSMM）に基づくコード認識について述べる．従来は，音楽音響信号からクロマベクトルを抽出し，ビート同期した隠れマルコフモデル（HMM）を用いてコードの種類と区間を推定するのが一般的であった．しかし，コードの遷移確率はすべてのビートで一定であり，同じコードが数ビート継続する確率は指数減衰してしまう問題あった．この問題を解決するため，本研究では，小節内のビート位置でコードの遷移確率が変化すること，コードの継続時間長には偏りがあることに着目し，ビート同期したHSMMを用いてコード認識する手法を提案する．","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"468","bibliographic_titles":[{"bibliographic_title":"第78回全国大会講演論文集"}],"bibliographicPageStart":"467","bibliographicIssueDates":{"bibliographicIssueDate":"2016-03-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2016"}]},"relation_version_is_last":true,"weko_creator_id":"6748"},"created":"2025-01-19T00:34:46.372546+00:00","id":162755,"links":{}}