{"id":"https://openalex.org/W4223953616","doi":"https://doi.org/10.1109/lifetech53646.2022.9754796","title":"Comparative Evaluation of Neural Vocoders for Speech Synthesis of Operatic Singing","display_name":"Comparative Evaluation of Neural Vocoders for Speech Synthesis of Operatic Singing","publication_year":2022,"publication_date":"2022-03-07","ids":{"openalex":"https://openalex.org/W4223953616","doi":"https://doi.org/10.1109/lifetech53646.2022.9754796"},"language":"en","primary_location":{"id":"doi:10.1109/lifetech53646.2022.9754796","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lifetech53646.2022.9754796","pdf_url":null,"source":{"id":"https://openalex.org/S4363607953","display_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://da.lib.kobe-u.ac.jp/da/kernel/0100481910/0100481910.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112678712","display_name":"Sota Shimizu","orcid":null},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Sota Shimizu","raw_affiliation_strings":["Kobe University,Faculty of Engineering,Japan","Faculty of Engineering, Kobe University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kobe University,Faculty of Engineering,Japan","institution_ids":["https://openalex.org/I65837984"]},{"raw_affiliation_string":"Faculty of Engineering, Kobe University, Japan","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082668383","display_name":"Keisuke Matsubara","orcid":"https://orcid.org/0000-0002-2935-668X"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keisuke Matsubara","raw_affiliation_strings":["Kobe University,Graduate School of System Informatics,Japan","Graduate School of System Informatics, Kobe University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kobe University,Graduate School of System Informatics,Japan","institution_ids":["https://openalex.org/I65837984"]},{"raw_affiliation_string":"Graduate School of System Informatics, Kobe University, Japan","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077715964","display_name":"Yuji Adachi","orcid":null},"institutions":[{"id":"https://openalex.org/I149737975","display_name":"Santen (Japan)","ror":"https://ror.org/032msy923","country_code":"JP","type":"company","lineage":["https://openalex.org/I149737975"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuji Adachi","raw_affiliation_strings":["MEC Company Ltd.,Japan","MEC Company Ltd., Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MEC Company Ltd.,Japan","institution_ids":["https://openalex.org/I149737975"]},{"raw_affiliation_string":"MEC Company Ltd., Japan","institution_ids":["https://openalex.org/I149737975"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104035231","display_name":"Kiyoto Tai","orcid":null},"institutions":[{"id":"https://openalex.org/I149737975","display_name":"Santen (Japan)","ror":"https://ror.org/032msy923","country_code":"JP","type":"company","lineage":["https://openalex.org/I149737975"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kiyoto Tai","raw_affiliation_strings":["MEC Company Ltd.,Japan","MEC Company Ltd., Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MEC Company Ltd.,Japan","institution_ids":["https://openalex.org/I149737975"]},{"raw_affiliation_string":"MEC Company Ltd., Japan","institution_ids":["https://openalex.org/I149737975"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057295313","display_name":"Ryoichi Takashima","orcid":"https://orcid.org/0000-0002-9808-0250"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryoichi Takashima","raw_affiliation_strings":["Kobe University,Graduate School of System Informatics,Japan","Graduate School of System Informatics, Kobe University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kobe University,Graduate School of System Informatics,Japan","institution_ids":["https://openalex.org/I65837984"]},{"raw_affiliation_string":"Graduate School of System Informatics, Kobe University, Japan","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009283470","display_name":"Tetsuya Takiguchi","orcid":"https://orcid.org/0000-0001-5005-7679"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuya Takiguchi","raw_affiliation_strings":["Kobe University,Graduate School of System Informatics,Japan","Graduate School of System Informatics, Kobe University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kobe University,Graduate School of System Informatics,Japan","institution_ids":["https://openalex.org/I65837984"]},{"raw_affiliation_string":"Graduate School of System Informatics, Kobe University, Japan","institution_ids":["https://openalex.org/I65837984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"28","last_page":"29"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/singing","display_name":"Singing","score":0.967211902141571},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.7624881267547607},{"id":"https://openalex.org/keywords/opera","display_name":"Opera","score":0.718467116355896},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6604966521263123},{"id":"https://openalex.org/keywords/speech-synthesis","display_name":"Speech synthesis","score":0.4728669822216034},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.2830088436603546},{"id":"https://openalex.org/keywords/art","display_name":"Art","score":0.14409944415092468},{"id":"https://openalex.org/keywords/literature","display_name":"Literature","score":0.07687219977378845},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.05804377794265747}],"concepts":[{"id":"https://openalex.org/C44819458","wikidata":"https://www.wikidata.org/wiki/Q27939","display_name":"Singing","level":2,"score":0.967211902141571},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.7624881267547607},{"id":"https://openalex.org/C530479602","wikidata":"https://www.wikidata.org/wiki/Q1344","display_name":"Opera","level":2,"score":0.718467116355896},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6604966521263123},{"id":"https://openalex.org/C14999030","wikidata":"https://www.wikidata.org/wiki/Q16346","display_name":"Speech synthesis","level":2,"score":0.4728669822216034},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2830088436603546},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.14409944415092468},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.07687219977378845},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05804377794265747}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lifetech53646.2022.9754796","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lifetech53646.2022.9754796","pdf_url":null,"source":{"id":"https://openalex.org/S4363607953","display_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","raw_type":"proceedings-article"},{"id":"pmh:oai:irdb.nii.ac.jp:01257:0005797840","is_oa":true,"landing_page_url":"https://hdl.handle.net/20.500.14094/0100481910","pdf_url":"https://da.lib.kobe-u.ac.jp/da/kernel/0100481910/0100481910.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","raw_type":"conference paper"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01257:0005797840","is_oa":true,"landing_page_url":"https://hdl.handle.net/20.500.14094/0100481910","pdf_url":"https://da.lib.kobe-u.ac.jp/da/kernel/0100481910/0100481910.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech)","raw_type":"conference paper"},"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.550000011920929}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4223953616.pdf","grobid_xml":"https://content.openalex.org/works/W4223953616.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W2471520273","https://openalex.org/W2519091744","https://openalex.org/W2769810959","https://openalex.org/W2797310469","https://openalex.org/W3015338123","https://openalex.org/W3162536450","https://openalex.org/W4294619240","https://openalex.org/W6769767169","https://openalex.org/W6790899109"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390529913","https://openalex.org/W2353500159","https://openalex.org/W2142368101","https://openalex.org/W2372249404","https://openalex.org/W2367547137","https://openalex.org/W2354994102","https://openalex.org/W2387733758","https://openalex.org/W2354544841"],"abstract_inverted_index":{"The":[0],"voice":[1,26],"of":[2,39,52,79],"someone":[3,13],"who":[4],"is":[5,70],"singing":[6,14,25,47],"opera":[7],"has":[8,74],"different":[9],"characteristics":[10],"compared":[11,32],"with":[12],"nursery":[15],"rhymes":[16],"or":[17],"pop":[18],"songs,":[19],"which":[20],"are":[21],"treated":[22],"by":[23],"conventional":[24],"synthesis.":[27],"In":[28],"this":[29],"study,":[30],"we":[31],"and":[33,68],"evaluated":[34],"the":[35,50,61],"speech":[36],"synthesis":[37],"performance":[38],"recently":[40],"proposed":[41],"neural":[42],"vocoders":[43],"for":[44,65],"an":[45],"operatic":[46],"voice.":[48],"From":[49],"results":[51],"our":[53],"objective":[54],"evaluation":[55],"experiments,":[56],"it":[57],"was":[58],"found":[59],"that":[60],"melcepstrum":[62],"estimation":[63,77],"error":[64,78],"Parallel":[66],"WaveGAN":[67],"PeriodNet":[69,73],"small.":[71],"Furthermore,":[72],"a":[75],"smaller":[76],"fundamental":[80],"frequency.":[81]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}