{"updated":"2025-01-21T11:14:49.628935+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00101320","sets":["1164:5064:7447:7571"]},"path":["7571"],"owner":"11","recid":"101320","title":["音場再現技術の基本原理と展開"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-05-17"},"_buckets":{"deposit":"53e62f3d-6f72-4407-a44b-630f3ad45d3b"},"_deposit":{"id":"101320","pid":{"type":"depid","value":"101320","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"音場再現技術の基本原理と展開","author_link":["0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"音場再現技術の基本原理と展開"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"招待講演","subitem_subject_scheme":"Other"}]},"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":"東京大学大学院情報理工学系研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Science and Technology, The University of Tokyo","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/101320/files/IPSJ-MUS14103003.pdf"},"date":[{"dateType":"Available","dateValue":"2016-05-17"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS14103003.pdf","filesize":[{"value":"1.1 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":"21"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"b47c11a0-c399-4137-b2c0-98b2804737be","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小山翔一"}],"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":"より臨場感の高い音響再生技術を目指して，多数のスピーカを用いて音空間そのものを物理的に再構成する，音場再現技術が注目されている．従来のサラウンドシステムなどと比べて，広い受聴領域が実現できることに加え，ある場所の音場をそのまま収音・伝送・再現するようなことも可能になると考えられる．本稿では，まずは音場再現技術の従来手法を概観することで，その基本原理を解説する．さらに，マイクロホンアレイの収音信号のみから音場再現のためのスピーカアレイの駆動信号へ直接変換するための手法である，波面再構成フィルタについて詳しく紹介する．最後に，今後の展開として，マイクロホンやスピーカが理想的な数より少ない場合においても，高精度な再現を実現するための，超解像型音場収音・再現技術について紹介する．","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":"3","bibliographicVolumeNumber":"2014-MUS-103"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:46:56.603999+00:00","id":101320,"links":{}}