{"created":"2023-05-15T12:05:07.867729+00:00","id":9748,"links":{},"metadata":{"_buckets":{"deposit":"4b055144-a4f1-44a8-8c68-d7ad605394dd"},"_deposit":{"created_by":3,"id":"9748","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"9748"},"status":"published"},"_oai":{"id":"oai:iwate-u.repo.nii.ac.jp:00009748","sets":["1515:1519"]},"author_link":["60593","60591","60592","60594"],"item_16_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1999-01-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"6","bibliographicPageEnd":"866","bibliographicPageStart":"860","bibliographicVolumeNumber":"J82-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. A"}]}]},"item_16_date_6":{"attribute_name":"登録日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2009-09-01"}]},"item_16_description_12":{"attribute_name":"Abstract","attribute_value_mlt":[{"subitem_description":"本論文では, 音声認識や携帯電話などへの高品質な音声入力を目的とした2チャネル (ch) 適応マイクロホンアレーについて述べる. このマイクロホンアレーは, 適応ビームフォーマを二つ並列動作させて話者方向を追尾し, 適応処理で問題となっていた目的信号除去による性能低下を防止する. 追尾に必要な話者方向は, 目的信号を抑圧するように制約をおいたビームフォーマから検出しており, 従来困難だった2chによる追尾処理を可能にした. また, 従来マイクロホンアレーで問題となっていた空間的なエリアシングによる性能低下の問題に対し, アレーを構成するマイクロホンの指向性を利用して影響を小さくする方法を提案した. 移動する音源の信号抽出精度について計算機シミュレーションにより検討した結果, 2chでは従来困難だった移動音源の信号抽出をSNR15dBまで改善できることを確認できた.","subitem_description_type":"Other"}]},"item_16_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"60593","nameIdentifierScheme":"WEKO"}],"names":[{"name":"NAGATA, Yoshifumi"}]},{"nameIdentifiers":[{"nameIdentifier":"60594","nameIdentifierScheme":"WEKO"}],"names":[{"name":"ABE, Masato"}]}]},"item_16_publisher_14":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_16_rights_18":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"copyright©1999 IEICE"}]},"item_16_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0913-5707","subitem_source_identifier_type":"ISSN"}]},"item_16_text_4":{"attribute_name":"著者(機関)","attribute_value_mlt":[{"subitem_text_value":"岩手大学工学部"}]},"item_16_version_type_27":{"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":"永田, 仁史"}],"nameIdentifiers":[{"nameIdentifier":"60591","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"安倍, 正人"}],"nameIdentifiers":[{"nameIdentifier":"60592","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-11-14"}],"displaytype":"detail","filename":"ieicea-vj82-an6p860-866.pdf","filesize":[{"value":"695.6 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ieicea-vj82-an6p860-866.pdf","url":"https://iwate-u.repo.nii.ac.jp/record/9748/files/ieicea-vj82-an6p860-866.pdf"},"version_id":"c0c943df-7394-4c50-ab4e-6ea4d3be38e9"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"マイクロホンアレー","subitem_subject_scheme":"Other"},{"subitem_subject":"指向性","subitem_subject_scheme":"Other"},{"subitem_subject":"適応ビームフォーマ","subitem_subject_scheme":"Other"},{"subitem_subject":"エリアシング","subitem_subject_scheme":"Other"},{"subitem_subject":"一般化サイドローブキャンセラ","subitem_subject_scheme":"Other"},{"subitem_subject":"話者追尾","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":"話者追尾2チャネルマイクロホンアレーに関する検討","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"話者追尾2チャネルマイクロホンアレーに関する検討"}]},"item_type_id":"16","owner":"3","path":["1519"],"pubdate":{"attribute_name":"公開日","attribute_value":"2009-09-01"},"publish_date":"2009-09-01","publish_status":"0","recid":"9748","relation_version_is_last":true,"title":["話者追尾2チャネルマイクロホンアレーに関する検討"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T11:59:04.742615+00:00"}