{"created":"2023-05-15T15:25:19.203536+00:00","id":12904,"links":{},"metadata":{"_buckets":{"deposit":"1bd11374-7740-4012-bd39-062b6a3dd753"},"_deposit":{"created_by":3,"id":"12904","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"12904"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00012904","sets":["94:426"]},"author_link":["18438","20346","20347"],"item_119_alternative_title_1":{"attribute_name":"タイトル（別言語）","attribute_value_mlt":[{"subitem_alternative_title":"&EMPTY&"},{"subitem_alternative_title":"Adaptive Nonlinear Predictor Based on Order Statistics for Speech Signals and Its Performance Improvement by Iterative Approach"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicPageEnd":"912","bibliographicPageStart":"899","bibliographicVolumeNumber":"J87-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":"線形予測の抱えるインパルス性残留誤差の問題を解決することを目的とし,本論文では,音声信号に非線形予測を施すための新しい適応フィルタ,適応非線形予測器を提案する.順序統計処理が用いられつつ,PitasらによるLMS-Lフィルタに,人力信号の時間情報を保持する改良が加えられる.合成音声を用いた実験では,提案する非線形予測器が,線形予測器だけではなく,ボルテラ級数予測器よりも優れた予測性能をもつことが示される.しかしながら,本非線形予測器をもってしても,実音声を対象とする実験では予測精度が劣化してしまう.そこでこれを解決すべく,新たに反復法を提案する.反復法は音声の周期性に着目して音声データを再利用し,多くのデータサンプルを用いたときと同様の予測精度が得られる方法である.連続実音声を用いた実験の結果,反復法とともに提案する予測器の予測精度が改善され,その有効性が確認された.","subitem_description_type":"Abstract"}]},"item_119_description_21":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"copyright(c)2004 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_3":{"attribute_name":"著者 ローマ字","attribute_value_mlt":[{"subitem_text_value":"TANAKA, Hirobumi"},{"subitem_text_value":"HAYAKAWA, Haruko"},{"subitem_text_value":"SHIMAMURA, Tetsuya"}]},"item_119_text_32":{"attribute_name":"アイテムID","attribute_value_mlt":[{"subitem_text_value":"A1003097"}]},"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":"2004-7"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田中, 啓文"},{"creatorName":"タナカ, ヒロブミ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"早川, 晴子"},{"creatorName":"ハヤカワ, ハルコ","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":"A1003097.pdf","filesize":[{"value":"1.0 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"A1003097.pdf","url":"https://sucra.repo.nii.ac.jp/record/12904/files/A1003097.pdf"},"version_id":"7931088f-cc22-4b05-be91-45b17c132876"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"LMSアルゴリズム","subitem_subject_scheme":"Other"},{"subitem_subject":"順序統計","subitem_subject_scheme":"Other"},{"subitem_subject":"非線形予測","subitem_subject_scheme":"Other"},{"subitem_subject":"反復法","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":"音声信号のための順序統計を用いた適応非線形予測器と反復法によるその特性改善","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"音声信号のための順序統計を用いた適応非線形予測器と反復法によるその特性改善"}]},"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":"12904","relation_version_is_last":true,"title":["音声信号のための順序統計を用いた適応非線形予測器と反復法によるその特性改善"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T12:46:20.147377+00:00"}