{"created":"2023-05-15T15:25:19.579935+00:00","id":12913,"links":{},"metadata":{"_buckets":{"deposit":"22e5a799-deca-4dc3-8a08-24dcdc6179f2"},"_deposit":{"created_by":3,"id":"12913","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"12913"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00012913","sets":["94:426"]},"author_link":["20359","18438","20358"],"item_119_alternative_title_1":{"attribute_name":"タイトル（別言語）","attribute_value_mlt":[{"subitem_alternative_title":"&EMPTY&"},{"subitem_alternative_title":"Pitch Extraction by Using Autocorrelation Function on the Log Spectrum"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1997","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"443","bibliographicPageStart":"435","bibliographicVolumeNumber":"J80-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. A, 基礎・境界"}]}]},"item_119_description_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_description":"http://www.ieice.org/jpn/trans_online/index.html | http://www.ieice.org/jpn/trans_online/index.html","subitem_description_type":"Other"}]},"item_119_description_19":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"音声の基本周波数の抽出(ピッチ抽出)は, 音声処理の幅広い分野で必要とされているが, 決定的な手法はいまだないのが現状である. 本論文は, 対数スペクトルの自己相関関数を利用した新しいピッチ抽出法(ACLOS)を提案する. その原理は, 音声の対数スペクトルの自己相関関数を計算することによって, スペクトル上における高調彼の周期(基本周波数)を抽出するものである. 音声のSN比を変えてピッチ抽出を行った結果, 本手法は従来法に比べピッチ抽出誤りであるgross pitch errorを改善することができた. 特にSN比が-5dB以下の低SN比音声に対しては, 自己相関関数法よりもgross pitch errorを3.4〜7.2%改善することができ, 本方式が雑音に強いことを示す.","subitem_description_type":"Abstract"}]},"item_119_description_21":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"copyright(c)1997 IEICE\n許諾番号：07RB0174","subitem_description_type":"Other"}]},"item_119_description_29":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"text","subitem_description_type":"Other"}]},"item_119_description_30":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_119_publisher_11":{"attribute_name":"出版者名","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_119_source_id_14":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09135707","subitem_source_identifier_type":"ISSN"}]},"item_119_text_27":{"attribute_name":"版","attribute_value_mlt":[{"subitem_text_value":"[出版社版]"}]},"item_119_text_3":{"attribute_name":"著者 ローマ字","attribute_value_mlt":[{"subitem_text_value":"Kunieda, Nobuyuki"},{"subitem_text_value":"Shimamura, Tetsuya"},{"subitem_text_value":"Suzuki, Jouji"}]},"item_119_text_32":{"attribute_name":"アイテムID","attribute_value_mlt":[{"subitem_text_value":"A1003086"}]},"item_119_text_4":{"attribute_name":"著者 所属","attribute_value_mlt":[{"subitem_text_value":"埼玉大学工学部情報工学科"},{"subitem_text_value":"埼玉大学大学院理工学研究科"},{"subitem_text_value":"埼玉大学工学部情報工学科"}]},"item_119_text_5":{"attribute_name":"著者 所属(別言語)","attribute_value_mlt":[{"subitem_text_value":"Department of Information and Computer Sciences, Faculty of Engineering Saitama University"},{"subitem_text_value":"Graduate School of Science and Engineering, Saitama University"},{"subitem_text_value":"Department of Information and Computer Sciences, Faculty of Engineering Saitama University"}]},"item_119_text_9":{"attribute_name":"年月次","attribute_value_mlt":[{"subitem_text_value":"1997-3"}]},"item_119_version_type_28":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"國枝, 伸行"},{"creatorName":"クニエダ, ノブユキ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"島村, 徹也"},{"creatorName":"シマムラ, テツヤ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{},{}]},{"creatorNames":[{"creatorName":"鈴木, 誠史"},{"creatorName":"スズキ, ジョウジ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-01-24"}],"displaytype":"detail","filename":"A1003086.pdf","filesize":[{"value":"579.9 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"A1003086.pdf","url":"https://sucra.repo.nii.ac.jp/record/12913/files/A1003086.pdf"},"version_id":"de168021-50b3-486f-b47e-5f4d8f0baf1d"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ピッチ抽出","subitem_subject_scheme":"Other"},{"subitem_subject":"基本周波数","subitem_subject_scheme":"Other"},{"subitem_subject":"自己相関関数","subitem_subject_scheme":"Other"},{"subitem_subject":"対数スペクトル","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"対数スペクトルの自己相関関数を利用したピッチ抽出法","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"対数スペクトルの自己相関関数を利用したピッチ抽出法"}]},"item_type_id":"119","owner":"3","path":["426"],"pubdate":{"attribute_name":"公開日","attribute_value":"2007-10-04"},"publish_date":"2007-10-04","publish_status":"0","recid":"12913","relation_version_is_last":true,"title":["対数スペクトルの自己相関関数を利用したピッチ抽出法"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T12:45:59.621702+00:00"}