{"id":56590,"updated":"2025-01-22T04:53:37.153452+00:00","links":{},"created":"2025-01-18T23:19:58.571445+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00056590","sets":["1164:5159:5162:5163"]},"path":["5163"],"owner":"1","recid":"56590","title":["基本周波数情報に基づく線形予測と時間軸伸縮を利用した非周期成分の抽出について"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-12-02"},"_buckets":{"deposit":"831ca752-e5a3-4eab-8972-c8bae664f213"},"_deposit":{"id":"56590","pid":{"type":"depid","value":"56590","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"基本周波数情報に基づく線形予測と時間軸伸縮を利用した非周期成分の抽出について","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"基本周波数情報に基づく線形予測と時間軸伸縮を利用した非周期成分の抽出について"},{"subitem_title":"Aperiodicity extraction based on linear prediction and temporal axis warping using fundamental frequency information","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2008-12-02","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"和歌山大学システムエ学部"},{"subitem_text_value":"関西学院大学理工学部"},{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"名城大学理工学部"},{"subitem_text_value":"和歌山大学システムエ学部"},{"subitem_text_value":"和歌山大学システムエ学部"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Faculty of Systems Engineering, Wakayama University","subitem_text_language":"en"},{"subitem_text_value":"Department of Informatics, Kwansei Gakuin University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Informatics, Kyoto University","subitem_text_language":"en"},{"subitem_text_value":"Department of Information Engineering, Meijo University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Systems Engineering, Wakayama University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Systems Engineering, Wakayama 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/56590/files/IPSJ-SLP08074015.pdf"},"date":[{"dateType":"Available","dateValue":"2010-12-02"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SLP08074015.pdf","filesize":[{"value":"1.3 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":"22"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"447209de-0204-4daf-9b8e-88b001f742fb","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2008 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"河原, 英紀"},{"creatorName":"森勢将雅"},{"creatorName":"高橋, 徹"},{"creatorName":"坂野, 秀樹"},{"creatorName":"西村, 竜一"},{"creatorName":"入野, 俊夫"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hideki, Kawahara","creatorNameLang":"en"},{"creatorName":"Masanori, Morise","creatorNameLang":"en"},{"creatorName":"Torn, Takahashi","creatorNameLang":"en"},{"creatorName":"Hideki, Banno","creatorNameLang":"en"},{"creatorName":"Ryuichi, Nisimura","creatorNameLang":"en"},{"creatorName":"Toshio, Irino","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10442647","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":"高品質の音声分析変換合成のための非周期成分の抽出を検討している。本報告では，これまでに Straight で用いてきたものを中心に、従来の方法とそれらの問題点を挙げ〈新しい方法を提案する。提案する方法は、基本周期程度の時間間隔を隔てた部分からの前方および後方予測可能な成分を取り除いたものを非周期成分とし、時間-帯域幅積  (TB 積) を設定するための Quadrature Mirrorhlter による帯域分割と、基本周波数の瞬時周波数に基づく時間軸の伸縮を併用する。これらから得られる複数の手掛かりを統合することにより、従来の方法よりも効率が良くランダムな揺らぎの影響の少ない推定が可能となった。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"A reliable aperiodicity extractor is crucial for high-quality speech manipulation systems. This article proposes a new extractor based on a critical review on conventional methods (mainly on our previous proposals) and fundamental issues. The proposed method uses forward and backward linear predictors with lags around fundamental period and consists of an instantaneous fundamental frequency-based temporal axis warping. The extractor also consists of Quadrature Mirror Filter for frequency band division to control TB (time-bandwidth) product for reliable estimates. Combination of multiple clues extracted using the original and the manipulated time axes yields reliable and efficient estimates of aperiodicity spectrogram","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"90","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告音声言語情報処理（SLP）"}],"bibliographicPageStart":"85","bibliographicIssueDates":{"bibliographicIssueDate":"2008-12-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"123(2008-SLP-074)","bibliographicVolumeNumber":"2008"}]},"relation_version_is_last":true,"weko_creator_id":"1"}}