{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00094910","sets":["1164:5064:7126:7251"]},"path":["7251"],"owner":"11","recid":"94910","title":["鼻歌検索システムのための楽曲からのボーカルメロディ推定"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-08-24"},"_buckets":{"deposit":"410337be-c8c2-4b4d-b32b-56e4ca32010a"},"_deposit":{"id":"94910","pid":{"type":"depid","value":"94910","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"鼻歌検索システムのための楽曲からのボーカルメロディ推定","author_link":["0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"鼻歌検索システムのための楽曲からのボーカルメロディ推定"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"歌声情報処理最前線!!!","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2013-08-24","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"ソニー株式会社"},{"subitem_text_value":"ソニー株式会社"},{"subitem_text_value":"ソニー株式会社"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Sony","subitem_text_language":"en"},{"subitem_text_value":"Sony","subitem_text_language":"en"},{"subitem_text_value":"Sony","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/94910/files/IPSJ-MUS13100018.pdf"},"date":[{"dateType":"Available","dateValue":"2015-08-24"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS13100018.pdf","filesize":[{"value":"868.9 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":"adffc595-8e00-4d77-8e2a-84026a68280c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2013 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"角尾衣未留"},{"creatorName":"井上晃"},{"creatorName":"西口正之"}],"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":"鼻歌検索の参照メロディーデータとして用いることを主目的にしたボーカルメロディ推定手法について提案する．ボーカル音声は ３ つの特徴を持っており，ほんのわずかな時間でもピッチが変動していること，他の楽器音と異なる定位位置にミックスされていること，連続性をもっていること，が挙げられる．我々はこの特徴を用いて ３ ステップでのボーカルメロディ推定を行う．まず，周波数軸方向にローパスフィルタ処理を行うことでボーカルのスペクトルを強調する．次にミキシングの定位情報を用いてボーカルのスペクトルをさらに強調する．最後に連続性を考慮した新しい動的計画法を用いて最適なピッチ軌跡を推定する．推定されたボーカルメロディは動的計画法をベースとした鼻歌検索の参照データとして用いられ，実験によって従来のボーカルメロディ推定手法を用いた場合より高い性能が示された．","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":"2013-08-24","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicVolumeNumber":"2013-MUS-100"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:42:07.066525+00:00","updated":"2025-01-21T14:18:16.308948+00:00","id":94910}