{"updated":"2025-01-20T19:08:21.767376+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00141997","sets":["1164:5064:7900:8256"]},"path":["8256"],"owner":"11","recid":"141997","title":["光を使って音を録る～光学的音響測定とその信号処理～"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-05-16"},"_buckets":{"deposit":"7fb09ee9-81e4-4cc6-a634-ecfd9c938ea6"},"_deposit":{"id":"141997","pid":{"type":"depid","value":"141997","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"光を使って音を録る～光学的音響測定とその信号処理～","author_link":["209184","209186","209185","209187"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"光を使って音を録る～光学的音響測定とその信号処理～"}]},"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":"2015-05-16","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"早稲田大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Waseda University","subitem_text_language":"en"},{"subitem_text_value":"Waseda University","subitem_text_language":"en"},{"subitem_text_value":"Waseda University","subitem_text_language":"en"},{"subitem_text_value":"Waseda University","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/141997/files/IPSJ-MUS15107011.pdf"},"date":[{"dateType":"Available","dateValue":"2017-05-16"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MUS15107011.pdf","filesize":[{"value":"620.8 kB"}],"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":"d421c727-651f-4cc7-9d9c-661b193d9bfe","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"矢田部, 浩平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"石川, 憲治"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"池田, 雄介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"及川, 靖広"}],"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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8752","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"音は空気の疎密変化であり，疎密によって媒質の屈折率も変化するので，光を用いて屈折率を計測することで音を録ることができる．これは，マイクロホンの特性や音場への干渉が影響することのない非破壊非接触な計測を可能にし，また遠方から音情報を取得可能であるという利点も有するが，一方で，計測された信号の SN 比が悪いという課題がある．これに対し，筆者らは物理モデルを用いた信号処理を提案しており，SN 比の改善に取り組んでいる．本稿では，様々な光学的音響測定手法を概説した後，筆者らが提案する信号処理と，今後期待される応用について述べる．","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":"2015-05-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicVolumeNumber":"2015-MUS-107"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:19:30.402296+00:00","id":141997,"links":{}}