{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00101388","sets":["1164:5064:7447:7571"]},"path":["7571"],"owner":"11","recid":"101388","title":["2本の超指向性マイクを用いたスポットフォーミング法の提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-05-17"},"_buckets":{"deposit":"1b04d3d9-3c81-41da-b58e-4c019c4ff7d6"},"_deposit":{"id":"101388","pid":{"type":"depid","value":"101388","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"2本の超指向性マイクを用いたスポットフォーミング法の提案","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2本の超指向性マイクを用いたスポットフォーミング法の提案"},{"subitem_title":"Spot-forming method by using two shotgun microphones","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2014-05-17","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪工業大学情報科学部"},{"subitem_text_value":"大阪工業大学情報科学部"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Faculty of Information Science and Technology, Osaka Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Information Science and Technology, Osaka Institute of Technology","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/101388/files/IPSJ-MUS14103071.pdf"},"date":[{"dateType":"Available","dateValue":"2100-01-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS14103071.pdf","filesize":[{"value":"1.2 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"21"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1e8af7cc-f42d-48b5-9d4e-dd9367deb5f9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG.\\n"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"鈴木, 基之"},{"creatorName":"本城, 剛士"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Motoyuki, Suzuki","creatorNameLang":"en"},{"creatorName":"Takeshi, Honjo","creatorNameLang":"en"}],"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":"ロボットとの音声対話を想定し，2 本のガンマイクを用いることで空間上のある領域のみに指向性をあてる 「スポットフォーミング」 法を提案する。超指向性を持つガンマイクを 2 点に設置することで，指向性が交差した領域のみに指向性があたるようになり，話者の後方といった，通常のガンマイクやマイクロホンアレーでは排除できない雑音にも頑健な収音法を確立する。様々な場所からの音の収録実験をとおして，本システムの指向特性を計測した結果，特に低域の音に対してよい指向性を持つことが確認された。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Both a shotgun microphone and microphone-array have a super-cardioid polar pattern (It is called \"beam\"). It suppress noise located at another direction, but it cannot suppress noise located at the same direction as signal. In this paper, we have proposed a \"spot-forming\" method by using two shotgun microphones. Two shotgun microphones are located with different directions each other. This system only record the sound located in the cross point of two \"beams.\" From the experimental results showed that the proposed method could suppress noise located in front of or behind the target speaker, especially lower frequency band.","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":"2014-05-17","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"71","bibliographicVolumeNumber":"2014-MUS-103"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:46:59.980555+00:00","updated":"2025-01-21T11:16:46.268626+00:00","id":101388}