{"updated":"2025-01-20T05:26:04.732174+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00177634","sets":["1164:5064:9083:9087"]},"path":["9087"],"owner":"11","recid":"177634","title":["2階マルコフ過程を用いたHMMによるコード付与手法の提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-02-20"},"_buckets":{"deposit":"0e4c3ae8-94ee-412d-bc37-b5b69ee96be5"},"_deposit":{"id":"177634","pid":{"type":"depid","value":"177634","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"2階マルコフ過程を用いたHMMによるコード付与手法の提案","author_link":["377553","377554"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2階マルコフ過程を用いたHMMによるコード付与手法の提案"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"音楽自動生成","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2017-02-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"明石工業高等専門学校電気情報工学科"},{"subitem_text_value":"奈良先端科学技術大学院大学総合情報基盤センター"}]},"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/177634/files/IPSJ-MUS17114018.pdf","label":"IPSJ-MUS17114018.pdf"},"date":[{"dateType":"Available","dateValue":"2019-02-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS17114018.pdf","filesize":[{"value":"717.9 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":"f383761f-09c4-440a-93ed-048c289d25d5","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2017 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"森, 篤史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"新井, イスマイル"}],"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":"近年，様々なソフトの流通に伴い一般の人が作曲することが増えている．しかし，初心者が一から作曲を行うのは困難である．そこで，初心者への作曲支援を目的とし，作曲した旋律に対して適切なコードを自動で付与する方法を検討する．既存の技術として，隠れマルコフモデル （HMM） を使用したものがある．コードの遷移を隠れ状態で表現し，旋律を出力状態としている．しかしこの方法では，1 段階前のコードしか考慮していないため，特定の 2 種類のコードの繰り返しが多く見られた．そこで，我々は 2 階マルコフ過程を用い，2 段階前のコードを考慮したHMM を作成する手法を提案する．その結果，特定の 2 種類のコードの繰り返しがなくなり，比較的バランスの良いコード進行になったことを確認した．また，音楽経験者 21 人による 10 段階の主観比較評価を行なった結果，本手法の平均は 5.45，既存手法の平均は 5.19 と，本手法が既存研究の評価を上回った．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"研究報告音楽情報科学（MUS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2017-02-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicVolumeNumber":"2017-MUS-114"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:47:06.313005+00:00","id":177634,"links":{}}