{"id":"https://openalex.org/W7124220177","doi":"https://doi.org/10.1109/taffc.2026.3654113","title":"Emo-DiT: Emotional Speech Synthesis With a Diffusion Model Approach to Enhance Naturalness and Emotional Expressiveness","display_name":"Emo-DiT: Emotional Speech Synthesis With a Diffusion Model Approach to Enhance Naturalness and Emotional Expressiveness","publication_year":2026,"publication_date":"2026-01-14","ids":{"openalex":"https://openalex.org/W7124220177","doi":"https://doi.org/10.1109/taffc.2026.3654113"},"language":null,"primary_location":{"id":"doi:10.1109/taffc.2026.3654113","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taffc.2026.3654113","pdf_url":null,"source":{"id":"https://openalex.org/S104780363","display_name":"IEEE Transactions on Affective Computing","issn_l":"1949-3045","issn":["1949-3045","2371-9850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Affective Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100348117","display_name":"Xin Ye","orcid":"https://orcid.org/0000-0002-8429-0900"},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yao Wang","raw_affiliation_strings":["School of Computer, Electronics and Information, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0009-0003-7250-681X","affiliations":[{"raw_affiliation_string":"School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123054055","display_name":"Lina Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lina Yang","raw_affiliation_strings":["School of Computer, Electronics and Information, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0000-0003-3489-1887","affiliations":[{"raw_affiliation_string":"School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Bingzhen Wang","orcid":"https://orcid.org/0009-0003-1222-1249"},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingzhen Wang","raw_affiliation_strings":["School of Electrical Engineering, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0009-0003-1222-1249","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123023802","display_name":"Jinhong Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinhong Xu","raw_affiliation_strings":["School of Computer, Electronics and Information, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0009-0001-9918-5783","affiliations":[{"raw_affiliation_string":"School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Dongnan Yang","orcid":"https://orcid.org/0009-0002-7751-6200"},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongnan Yang","raw_affiliation_strings":["School of Computer, Electronics and Information, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0009-0002-7751-6200","affiliations":[{"raw_affiliation_string":"School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123010111","display_name":"Miao Zhou","orcid":null},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Miao Zhou","raw_affiliation_strings":["School of Computer, Electronics and Information, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0009-0008-9508-5006","affiliations":[{"raw_affiliation_string":"School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085140523","display_name":"Yuan Yan Tang","orcid":"https://orcid.org/0000-0002-6887-130X"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Yuan Yan Tang","raw_affiliation_strings":["Faculty of Science and Technology, University of Macau, Macau, China"],"raw_orcid":"https://orcid.org/0000-0002-6887-130X","affiliations":[{"raw_affiliation_string":"Faculty of Science and Technology, University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04390341,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"2","first_page":"1652","last_page":"1662"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10667","display_name":"Emotion and Mood Recognition","score":0.37630000710487366,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10667","display_name":"Emotion and Mood Recognition","score":0.37630000710487366,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.1809999942779541,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.15639999508857727,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/naturalness","display_name":"Naturalness","score":0.955299973487854},{"id":"https://openalex.org/keywords/speech-synthesis","display_name":"Speech synthesis","score":0.6115000247955322},{"id":"https://openalex.org/keywords/emotional-expression","display_name":"Emotional expression","score":0.5425000190734863},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.489300012588501},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.45719999074935913},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.39079999923706055},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.38920000195503235},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.3488999903202057}],"concepts":[{"id":"https://openalex.org/C134537474","wikidata":"https://www.wikidata.org/wiki/Q17144832","display_name":"Naturalness","level":2,"score":0.955299973487854},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6467999815940857},{"id":"https://openalex.org/C14999030","wikidata":"https://www.wikidata.org/wiki/Q16346","display_name":"Speech synthesis","level":2,"score":0.6115000247955322},{"id":"https://openalex.org/C143110190","wikidata":"https://www.wikidata.org/wiki/Q5373787","display_name":"Emotional expression","level":2,"score":0.5425000190734863},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5343000292778015},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.489300012588501},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.45719999074935913},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.39079999923706055},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.38920000195503235},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.3488999903202057},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.34150001406669617},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.311599999666214},{"id":"https://openalex.org/C2776608160","wikidata":"https://www.wikidata.org/wiki/Q4785462","display_name":"Natural (archaeology)","level":2,"score":0.30469998717308044},{"id":"https://openalex.org/C179926584","wikidata":"https://www.wikidata.org/wiki/Q207714","display_name":"Transcription (linguistics)","level":2,"score":0.304500013589859},{"id":"https://openalex.org/C206310091","wikidata":"https://www.wikidata.org/wiki/Q750859","display_name":"Emotion classification","level":2,"score":0.3037000000476837},{"id":"https://openalex.org/C542774811","wikidata":"https://www.wikidata.org/wiki/Q10880526","display_name":"Prosody","level":2,"score":0.3021000027656555},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.2980000078678131},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.2842000126838684},{"id":"https://openalex.org/C195704467","wikidata":"https://www.wikidata.org/wiki/Q327968","display_name":"Facial expression","level":2,"score":0.27250000834465027},{"id":"https://openalex.org/C2777438025","wikidata":"https://www.wikidata.org/wiki/Q1339090","display_name":"Emotion recognition","level":2,"score":0.2660999894142151},{"id":"https://openalex.org/C6438553","wikidata":"https://www.wikidata.org/wiki/Q1185804","display_name":"Affective computing","level":2,"score":0.2572999894618988}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taffc.2026.3654113","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taffc.2026.3654113","pdf_url":null,"source":{"id":"https://openalex.org/S104780363","display_name":"IEEE Transactions on Affective Computing","issn_l":"1949-3045","issn":["1949-3045","2371-9850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Affective Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3150721642","display_name":null,"funder_award_id":"62461004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7226221071","display_name":null,"funder_award_id":"62371144","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7494446569","display_name":null,"funder_award_id":"62172458","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Current":[0],"emotional":[1,7,123,158,167,177],"text-to-speech":[2,14],"tasks":[3],"have":[4],"achieved":[5],"high-quality":[6],"speech":[8,37,98,120,137,164,178],"by":[9,40],"incorporating":[10],"emotion":[11,25,34,47,151],"modules":[12,26],"into":[13],"models.":[15],"However,":[16],"there":[17],"has":[18],"been":[19],"limited":[20],"in-depth":[21],"research":[22],"on":[23,62,101],"embedding":[24],"within":[27],"TTS":[28,43,58,134],"models,":[29,68],"and":[30,45,74,145,169],"the":[31,42,46,63,72,84,117,161],"expression":[32],"of":[33,66,76,119,163],"in":[35,92,95,136,176],"synthesized":[36],"is":[38],"constrained":[39],"both":[41],"model":[44],"module,":[48],"often":[49],"preventing":[50],"optimal":[51],"results.":[52],"This":[53],"paper":[54],"presents":[55],"a":[56],"novel":[57],"model,":[59,103],"Grad-DiT,":[60],"based":[61],"DiT":[64],"architecture":[65,86],"diffusion":[67],"aimed":[69],"at":[70],"enhancing":[71],"naturalness":[73],"expressiveness":[75],"TTS.":[77],"Unlike":[78],"traditional":[79,150],"U-net":[80],"architectures,":[81],"Grad-DiT":[82,129],"leverages":[83],"Transformer":[85],"to":[87,115,149],"better":[88],"capture":[89],"contextual":[90],"information":[91],"text,":[93],"resulting":[94],"more":[96,156],"natural":[97],"generation.":[99],"Building":[100],"this":[102],"we":[104],"propose":[105],"Emo-DiT,":[106],"which":[107],"incorporates":[108],"an":[109],"Emotion":[110],"Feature":[111],"Reconstruction":[112],"(EFR)":[113],"module":[114],"enable":[116],"synthesis":[118,162],"with":[121,165],"specific":[122],"expressions.":[124],"Experimental":[125],"results":[126],"show":[127],"that":[128],"not":[130],"only":[131],"surpasses":[132],"existing":[133],"models":[135],"quality":[138],"but":[139],"also":[140],"significantly":[141],"improves":[142],"real-time":[143],"performance":[144],"inference":[146],"speed.":[147],"Compared":[148],"generation":[152],"methods,":[153],"Emo-DiT":[154],"offers":[155],"precise":[157],"expression,":[159],"enabling":[160],"distinctive":[166],"characteristics":[168],"providing":[170],"substantial":[171],"support":[172],"for":[173],"future":[174],"applications":[175],"synthesis.":[179]},"counts_by_year":[],"updated_date":"2026-06-02T06:17:35.589633","created_date":"2026-01-15T00:00:00"}