{"created":"2023-05-15T15:25:18.745176+00:00","id":12893,"links":{},"metadata":{"_buckets":{"deposit":"f4b8eb18-c7b2-4d7a-a5fc-273f6b421cc4"},"_deposit":{"created_by":3,"id":"12893","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"12893"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00012893","sets":["94:426"]},"author_link":["20333","18438","20334"],"item_119_alternative_title_1":{"attribute_name":"タイトル（別言語）","attribute_value_mlt":[{"subitem_alternative_title":"&EMPTY&"},{"subitem_alternative_title":"Improved Spectral Subtraction Utilizing Iterative Processing"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicPageEnd":"1257","bibliographicPageStart":"1246","bibliographicVolumeNumber":"J88-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. A, 基礎・境界"}]}]},"item_119_description_19":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本論文では, 雑音付加音声の雑音低減の手法であるスペクトル引き算法に, 反復処理とそれに適したパラメータ設定を施した, 新しい雑音抑制技術を提案する. 反復処理とは, 一度雑音低減処理を施した推定音声を再度入力信号とみなし, 音声強調処理を施す手段であり, 残留雑音の低減が見込まれる. 反復ごとにパラメータを調整することで, 音声の劣化を抑えた更なる残留雑音低減が可能となる. また, 提案法を実行する際に, スペクトル引き算のもつリアルタイム性を保持する手法も同時に提案する. 2種類の提案法の特性を, 白色雑音, 自動車雑音, 人混み雑音を付加した実音声を用い, 従来のスペクトル引き算法及びその改良法と比較する. 主観評価及び客観評価により, 各提案法はすべての雑音環境に対して優れた結果を示すことが確認された.","subitem_description_type":"Abstract"}]},"item_119_description_21":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"copyright(c)2005 IEICE\n許諾番号：07RB0174　\nhttp://www.ieice.org/jpn/trans_online/index.html","subitem_description_type":"Other"}]},"item_119_description_29":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"text","subitem_description_type":"Other"}]},"item_119_description_30":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_119_publisher_11":{"attribute_name":"出版者名","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_119_source_id_14":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09135707","subitem_source_identifier_type":"ISSN"}]},"item_119_text_27":{"attribute_name":"版","attribute_value_mlt":[{"subitem_text_value":"[出版社版]"}]},"item_119_text_3":{"attribute_name":"著者 ローマ字","attribute_value_mlt":[{"subitem_text_value":"YAMASHITA, Kohei"},{"subitem_text_value":"OGATA, Shin'ya"},{"subitem_text_value":"SHIMAMURA, Tetsuya"}]},"item_119_text_32":{"attribute_name":"アイテムID","attribute_value_mlt":[{"subitem_text_value":"A1003070"}]},"item_119_text_4":{"attribute_name":"著者 所属","attribute_value_mlt":[{"subitem_text_value":"埼玉大学大学院理工学研究科"},{"subitem_text_value":"埼玉大学大学院理工学研究科"},{"subitem_text_value":"埼玉大学大学院理工学研究科"}]},"item_119_text_5":{"attribute_name":"著者 所属(別言語)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Science and Engineering, Saitama University"},{"subitem_text_value":"Graduate School of Science and Engineering, Saitama University"},{"subitem_text_value":"Graduate School of Science and Engineering, Saitama University"}]},"item_119_text_9":{"attribute_name":"年月次","attribute_value_mlt":[{"subitem_text_value":"2005-11"}]},"item_119_version_type_28":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山下, 浩平"},{"creatorName":"ヤマシタ, コウヘイ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"緒方, 伸哉"},{"creatorName":"オガタ, シンヤ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"島村, 徹也"},{"creatorName":"シマムラ, テツヤ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{},{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-01-24"}],"displaytype":"detail","filename":"A1003070.pdf","filesize":[{"value":"3.5 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"A1003070.pdf","url":"https://sucra.repo.nii.ac.jp/record/12893/files/A1003070.pdf"},"version_id":"a7a3de5b-a5d8-414c-b7c6-b0553655a78d"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"音声強調","subitem_subject_scheme":"Other"},{"subitem_subject":"雑音抑制","subitem_subject_scheme":"Other"},{"subitem_subject":"スペクトル引き算","subitem_subject_scheme":"Other"},{"subitem_subject":"ミュージカルノイズ","subitem_subject_scheme":"Other"},{"subitem_subject":"反復処理","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"反復処理を利用した改良スペクトル引き算(スマート信号処理とその画像・音声処理への応用論文小特集)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"反復処理を利用した改良スペクトル引き算(スマート信号処理とその画像・音声処理への応用論文小特集)"}]},"item_type_id":"119","owner":"3","path":["426"],"pubdate":{"attribute_name":"公開日","attribute_value":"2007-10-04"},"publish_date":"2007-10-04","publish_status":"0","recid":"12893","relation_version_is_last":true,"title":["反復処理を利用した改良スペクトル引き算(スマート信号処理とその画像・音声処理への応用論文小特集)"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T12:46:56.483812+00:00"}