{"created":"2023-07-27T07:30:37.435991+00:00","id":1350,"links":{},"metadata":{"_buckets":{"deposit":"c118594b-0a15-44c5-b890-32926d8e1480"},"_deposit":{"created_by":20,"id":"1350","owners":[20],"pid":{"revision_id":0,"type":"depid","value":"1350"},"status":"published"},"_oai":{"id":"oai:doshisha.repo.nii.ac.jp:00001350","sets":["4151:8699:4187:4188","4251:7205:7206:8773:7207"]},"author_link":["2970"],"item_1693813220986":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1694497428290":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"博士(工学)","subitem_degreename_language":"ja"}]},"item_1694497507610":{"attribute_name":"学位名（英）","attribute_value_mlt":[{"subitem_degreename":"Doctor of Philosophy in Engineering","subitem_degreename_language":"en"}]},"item_1694497573527":{"attribute_name":"学位授与機関","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"同志社大学"},{"subitem_degreegrantor_language":"en","subitem_degreegrantor_name":"Doshisha University"}],"subitem_degreegrantor_identifier":[{"subitem_degreegrantor_identifier_name":"34310","subitem_degreegrantor_identifier_scheme":"kakenhi"}]}]},"item_3_alternative_title_2":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"第二言語音声認識のための音素セットの構築に関する研究","subitem_alternative_title_language":"ja"},{"subitem_alternative_title":"ダイ2 ゲンゴ オンセイ ニンシキ ノ タメ ノ オンソ セット ノ コウチク ニカンスル ケンキュウ","subitem_alternative_title_language":"ja-Kana"}]},"item_3_date_granted_27":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2017-03-22"}]},"item_3_description_12":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本論文は第二言語話者の発話を高精度で認識するための音素セットの構成方法に関する研究結果を述べている．本論文では，第二言語話者の発話をネイティブ話者の発話とは異なる音響特徴量の頻度分布を持つ情報源とみなし，これを表現する適切な音素セットを構築する手法を提案している．具体的には，対象とする第二言語と母語との調音位置や調音様式などの類似性に加え，同音異義語の発生による単語識別性能の低下を総合した基準に基づき，最適な音素セットを決定する．提案手法を日本人学生の英語発話の音声認識に適用し，種々の条件下で認識精度の向上を検証した．","subitem_description_language":"ja","subitem_description_type":"Abstract"},{"subitem_description":"This dissertation focuses on the problem caused by confused mispronunciation to improve the recognition performance of second language speech. A novel method considering integrated acoustic and linguistic features is proposed to derive a reduced phoneme set for L2 speech recognition. The customized phoneme set is created with a phonetic decision tree (PDT)-based top-down sequential splitting method that utilizes the phonological knowledge between L1 and L2. The dissertation verifies the efficacy of the proposed method for Japanese English and shows that the feasibility of building a speech recognizer with the proposed method is able to alleviate the problem caused by confused mispronunciation by second language speakers.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_3_description_18":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_3_dissertation_number_28":{"attribute_name":"学位授与番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第841号"}]},"item_3_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.14988/di.2017.0000016948","subitem_identifier_reg_type":"JaLC"}]},"item_3_relation_16":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"BB25872290","subitem_relation_type_select":"NCID"}}]},"item_3_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"掲載刊行物所蔵情報へのリンク ／ Link to 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Features","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Reduced Phoneme Set","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Phonetic Decision Tree","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Second Language","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Second Language Speech Recognition","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Target Language","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Linguistic Discrimination Ability","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Language Proficiency","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Multiple Reduced Phoneme Sets","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Proficiency Dependent Reduced Phoneme Set","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Mother Tongue","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Non-native Speech Recognition","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Unified Acoustic and Linguistic Objective Function","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"doctoral thesis","resourceuri":"http://purl.org/coar/resource_type/c_db06"}]},"item_title":"Phoneme set design for second language speech recognition","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Phoneme set design for second language speech 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