{"created":"2025-01-18T23:47:31.219984+00:00","links":{},"updated":"2025-01-21T10:55:29.248698+00:00","id":102197,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00102197","sets":["1164:5159:7427:7626"]},"path":["7626"],"owner":"11","recid":"102197","title":["ディープオートエンコーダとDNN-HMMを用いた残響下音声認識"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-07-17"},"_buckets":{"deposit":"8eff12ac-6569-4e31-94b8-5a43f4778f47"},"_deposit":{"id":"102197","pid":{"type":"depid","value":"102197","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"ディープオートエンコーダとDNN-HMMを用いた残響下音声認識","author_link":["0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ディープオートエンコーダとDNN-HMMを用いた残響下音声認識"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ニューラルネットワーク","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2014-07-17","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京都大学学術情報メディアセンター"},{"subitem_text_value":"京都大学学術情報メディアセンター"},{"subitem_text_value":"京都大学学術情報メディアセンター"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Academic Center for Computing and Media Studies, Kyoto University","subitem_text_language":"en"},{"subitem_text_value":"Academic Center for Computing and Media Studies, Kyoto University","subitem_text_language":"en"},{"subitem_text_value":"Academic Center for Computing and Media Studies, Kyoto 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/102197/files/IPSJ-SLP14102006.pdf"},"date":[{"dateType":"Available","dateValue":"2016-07-17"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SLP14102006.pdf","filesize":[{"value":"7.6 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":"22"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"0e3c0702-51de-4435-9e60-ce4e672f7eb5","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":"三村正人"},{"creatorName":"坂井信輔"},{"creatorName":"河原達也"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10442647","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":"本研究では、フロントエンドとバックエンドの両方でディープラーニングを用いた残響下音声認識システムについて述べる。このシステムでは、フロントエンドでディープオートエンコーダ （DAE） を用いて音響特徴量の強調 （残響除去） を行い、バックエンドで DNN-HMM 音響モデルにより音声認識を行う。提案手法の性能を、Reverb Challenge 2014 の音声認識タスクにより評価した。まず、マルチコンディションデータを用いて学習した DNN-HMM による認識精度は、すべての残響条件で、MLLR 適応したベースライン GMM-HMM を顕著に上回った。次に、DAE による特徴量強調を行うことにより、クリーン音声を用いて学習した DNN-HMM の残響下音声認識精度を大幅に改善した。さらに、マルチコンディション学習 DNN-HMM と DAE の組み合わせにより、より困難な条件での認識精度が顕著に改善した。これに加えて、DNN により得られる音素識別情報を DAE の入力に追加することで、残響除去の性能が向上した。強調された特徴量に対する DNN-HMM の教師なし適応により、すべての条件で認識精度が向上した。","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告音声言語情報処理（SLP）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2014-07-17","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"6","bibliographicVolumeNumber":"2014-SLP-102"}]},"relation_version_is_last":true,"weko_creator_id":"11"}}