{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00041025","sets":["1164:3616:3617:3621"]},"path":["3621"],"owner":"1","recid":"41025","title":["オーディオ符号化の最新標準化動向"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-03-07"},"_buckets":{"deposit":"997de1c1-92c8-4322-85b1-4fb7b70be8b5"},"_deposit":{"id":"41025","pid":{"type":"depid","value":"41025","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"オーディオ符号化の最新標準化動向","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"オーディオ符号化の最新標準化動向"},{"subitem_title":"Recent standardization activities of Audio Coding","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2008-03-07","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NTTコミュニケーション科学基礎研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"NTT Communication Science Laboratories","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/41025/files/IPSJ-AVM08060010.pdf"},"date":[{"dateType":"Available","dateValue":"2010-03-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AVM08060010.pdf","filesize":[{"value":"641.2 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":"27"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"58bcef3d-7160-483e-ac5e-7f01daac78d8","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2008 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"守谷, 健弘"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Takehiro, Moriya","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10438399","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":"2002年以降ISO/IEC MPEGで標準化されたオーディオの符号化方式を紹介する。この中にはSBR (Spectral Band Replication)  PS (Parametric Stereo)、サラウンド符号化などのサブバンド領域での処理で低ビット化をねらう方式と、ロスレス（歪なし、可逆）符号化の3種の方式（ALS  SLS  DST）を含む。特に時間領域での簡易な圧縮方式ALSに焦点をあてて、標準化の背景と経緯、技術、性能、用途、今後の展望について説明する。またロスレス符号化の重要な用途である長期保存、アーカイブ用途に関するフォーマット（Professional Archival Application Format）の動向や、今後の標準化予定についても紹介する。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Audio coding standards defined in the ISO/IEC MPEG since 2002 have been　introduced. There are roughly two categories. One is low bit rate coding based on the processing in sub-band domain, such as SBR (Spectral Band Replication), PS (Parametric Stereo) and Surround Coding. The other is lossless coding which includes three schemes (ALS, SLS, DST). Among all, simple predictive coding, ALS (Audio Lossless coding) is focused. Various aspects including its background, technologies, performances, applications, and future activities are explained. In addition, a new standardization activity of Professional Archival Application Format and future MPEG standards are introduced.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"52","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告オーディオビジュアル複合情報処理（AVM）"}],"bibliographicPageStart":"47","bibliographicIssueDates":{"bibliographicIssueDate":"2008-03-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"22(2008-AVM-060)","bibliographicVolumeNumber":"2008"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":41025,"updated":"2025-01-22T12:08:56.823510+00:00","links":{},"created":"2025-01-18T23:07:59.882610+00:00"}