{"_buckets": {"deposit": "e6af13f8-6053-48c2-9bcf-9a98fec6ae0d"}, "_deposit": {"created_by": 11, "id": "2120", "owners": [11], "pid": {"revision_id": 0, "type": "depid", "value": "2120"}, "status": "published"}, "_oai": {"id": "oai:kougei.repo.nii.ac.jp:00002120", "sets": ["285"]}, "author_link": ["3624", "3628", "3623", "3627", "3626", "3625"], "item_10002_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2021-06-30", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "1", "bibliographicPageEnd": "15", "bibliographicPageStart": "6", "bibliographicVolumeNumber": "44", "bibliographic_titles": [{"bibliographic_title": "東京工芸大学工学部紀要"}, {"bibliographic_title": "The Academic Reports, the Faculty of Engineering, Tokyo Polytechnic University", "bibliographic_titleLang": "en"}]}]}, "item_10002_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "この小文は本学における初等数理教育の素材提供の試みとして、「歌声」に  おける「母音」に焦点を当て、その倍音の成分を実験的に解析します。同じ高さの音でも、例えば「ラ ; La ; A」 に相当する440 Hz の周波数の高さの音でも、我々は、「あ」、「い」、「う」、「え」、「お」の5母音の歌を歌い分けます。  それではその5母音の違いはどこから来るのでしょうか？この疑問に答えるため、「フーリエ級数」や「フーリエ級数展開」という数学の手法を用います。このフーリエ解析により各母音の特徴を比較・整理し、「美しい声」で歌うための研究課題を明確にすることがこの小文の目的です。 更に重唱や合唱における母音の重なりを取り上げます。", "subitem_description_type": "Abstract"}, {"subitem_description": "Harmonic overtones contained in a vowel are studied by Fourier analysis for conversational and/or singing voices. Focusing on the first and second formant frequencies, the feature of a vowel is examined. In addition, coalescence between two or more different vowels in partial singing is investigated to achieve a performance of beautiful choral music.", "subitem_description_type": "Abstract"}]}, "item_10002_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "東京工芸大学工学部"}]}, "item_10002_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "03876055", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "平岡, 一幸"}, {"creatorName": "ヒラオカ, カズユキ", "creatorNameLang": "ja-Kana"}], "nameIdentifiers": [{"nameIdentifier": "3623", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "阿部, はる奈"}, {"creatorName": "アベ, ハルナ", "creatorNameLang": "ja-Kana"}], "nameIdentifiers": [{"nameIdentifier": "3624", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "田島, 滉太"}, {"creatorName": "タジマ, コウタ", "creatorNameLang": "ja-Kana"}], "nameIdentifiers": [{"nameIdentifier": "3625", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Hiraoka, Kazuyuki", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "3626", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Abe, Haruna", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "3627", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tajima, Kota", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "3628", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2021-06-30"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "vol44-1-02.pdf", "filesize": [{"value": "2.6 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 2600000.0, "url": {"label": "vol44-1-02", "url": "https://kougei.repo.nii.ac.jp/record/2120/files/vol44-1-02.pdf"}, "version_id": "b783724e-3070-4efc-92e0-ab0a69cf25f7"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "数理科学", "subitem_subject_scheme": "Other"}, {"subitem_subject": "倍音", "subitem_subject_scheme": "Other"}, {"subitem_subject": "フォルマント", "subitem_subject_scheme": "Other"}, {"subitem_subject": "フーリエ変換", "subitem_subject_scheme": "Other"}, {"subitem_subject": "合唱音楽", "subitem_subject_scheme": "Other"}, {"subitem_subject": "mathematical science", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "harmonic", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "overtone", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "formant", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Fourier transform", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "choral music", "subitem_subject_language": "en", "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": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "合唱のためのフーリエ音楽学：母音を構成する倍音群の解析", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "合唱のためのフーリエ音楽学：母音を構成する倍音群の解析"}, {"subitem_title": "Harmonics of a vowel:Fourier analysis of singing voice for choral music", "subitem_title_language": "en"}]}, "item_type_id": "10002", "owner": "11", "path": ["285"], "permalink_uri": "https://kougei.repo.nii.ac.jp/records/2120", "pubdate": {"attribute_name": "公開日", "attribute_value": "2021-06-30"}, "publish_date": "2021-06-30", "publish_status": "0", "recid": "2120", "relation": {}, "relation_version_is_last": true, "title": ["合唱のためのフーリエ音楽学：母音を構成する倍音群の解析"], "weko_shared_id": -1}