{"id":"https://openalex.org/W3004503465","doi":"https://doi.org/10.1109/jstsp.2020.2972161","title":"Data Augmentation using virtual microphone array synthesis and multi-resolution feature extraction for isolated word dysarthric speech recognition","display_name":"Data Augmentation using virtual microphone array synthesis and multi-resolution feature extraction for isolated word dysarthric speech recognition","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3004503465","doi":"https://doi.org/10.1109/jstsp.2020.2972161","mag":"3004503465"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2020.2972161","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2020.2972161","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","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/A5108567324","display_name":"Milenko PEROVI\u0106 A.","orcid":null},"institutions":[{"id":"https://openalex.org/I916357946","display_name":"Sri Sivasubramaniya Nadar College of Engineering","ror":"https://ror.org/054psm803","country_code":null,"type":"education","lineage":["https://openalex.org/I916357946"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Mariya Celin T A","raw_affiliation_strings":["Speech Lab, SSN College of Engineering, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Speech Lab, SSN College of Engineering, Chennai, India","institution_ids":["https://openalex.org/I916357946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080103016","display_name":"T. Nagarajan","orcid":null},"institutions":[{"id":"https://openalex.org/I916357946","display_name":"Sri Sivasubramaniya Nadar College of Engineering","ror":"https://ror.org/054psm803","country_code":null,"type":"education","lineage":["https://openalex.org/I916357946"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nagarajan Thangavelu","raw_affiliation_strings":["Speech Lab, SSN College of Engineering, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Speech Lab, SSN College of Engineering, Chennai, India","institution_ids":["https://openalex.org/I916357946"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035034970","display_name":"P. Vijayalakshmi","orcid":"https://orcid.org/0000-0003-3171-0219"},"institutions":[{"id":"https://openalex.org/I916357946","display_name":"Sri Sivasubramaniya Nadar College of Engineering","ror":"https://ror.org/054psm803","country_code":null,"type":"education","lineage":["https://openalex.org/I916357946"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vijayalakshmi P","raw_affiliation_strings":["Speech Lab, SSN College of Engineering, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Speech Lab, SSN College of Engineering, Chennai, India","institution_ids":["https://openalex.org/I916357946"]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5108567324"],"corresponding_institution_ids":["https://openalex.org/I916357946"],"apc_list":null,"apc_paid":null,"fwci":2.1215,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.87478604,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998999834060669,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9997000098228455,"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":0.9993000030517578,"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/speech-recognition","display_name":"Speech recognition","score":0.8178485631942749},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7639195322990417},{"id":"https://openalex.org/keywords/dysarthria","display_name":"Dysarthria","score":0.7586831450462341},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5088989734649658},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.4813178777694702},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.43336641788482666},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.42301619052886963},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.362621545791626},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07456669211387634},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.069009929895401}],"concepts":[{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.8178485631942749},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7639195322990417},{"id":"https://openalex.org/C2777639682","wikidata":"https://www.wikidata.org/wiki/Q225957","display_name":"Dysarthria","level":2,"score":0.7586831450462341},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5088989734649658},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.4813178777694702},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.43336641788482666},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.42301619052886963},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.362621545791626},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07456669211387634},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.069009929895401},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstsp.2020.2972161","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2020.2972161","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[{"id":"https://openalex.org/G8476024440","display_name":null,"funder_award_id":"SEED/TIDE/027/2016/G","funder_id":"https://openalex.org/F4320334773","funder_display_name":"Science for Equity, Empowerment and Development Division"}],"funders":[{"id":"https://openalex.org/F4320334773","display_name":"Science for Equity, Empowerment and Development Division","ror":"https://ror.org/0101xrq71"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W14578209","https://openalex.org/W180052447","https://openalex.org/W253551670","https://openalex.org/W263057764","https://openalex.org/W1506558619","https://openalex.org/W1513580466","https://openalex.org/W1524333225","https://openalex.org/W1996215188","https://openalex.org/W2095660652","https://openalex.org/W2096868016","https://openalex.org/W2106694981","https://openalex.org/W2109300274","https://openalex.org/W2118379083","https://openalex.org/W2151936436","https://openalex.org/W2170511794","https://openalex.org/W2396944218","https://openalex.org/W2509065397","https://openalex.org/W2572561003","https://openalex.org/W2586068280","https://openalex.org/W2595767284","https://openalex.org/W2888807255","https://openalex.org/W2904673831","https://openalex.org/W3094114204","https://openalex.org/W3098357269","https://openalex.org/W6600580371","https://openalex.org/W6607307618","https://openalex.org/W6609663419","https://openalex.org/W6630589479","https://openalex.org/W6631362777","https://openalex.org/W6712094344","https://openalex.org/W6731828207"],"related_works":["https://openalex.org/W2331173358","https://openalex.org/W2969484279","https://openalex.org/W3160456149","https://openalex.org/W2168872498","https://openalex.org/W4400873482","https://openalex.org/W2329762060","https://openalex.org/W2517018229","https://openalex.org/W2351669973","https://openalex.org/W2312964388","https://openalex.org/W2980869992"],"abstract_inverted_index":{"Dysarthria":[0],"is":[1,28,61,115,144],"a":[2,20,111,165],"speech-motor":[3],"disorder":[4],"that":[5],"affects":[6],"the":[7,46,108,133,157,161],"articulatory":[8],"systems":[9],"inhibiting":[10],"their":[11,17],"speech":[12,21,40,50,78,119,135,148,153,192],"communication":[13,18,26],"efforts.":[14],"To":[15],"handle":[16],"problems,":[19],"recognition-based":[22],"augmentative":[23],"and":[24,70,150,175],"alternative":[25],"aid":[27,43],"used":[29],"as":[30],"an":[31,38,55,137],"attractive":[32],"alternative.":[33],"However,":[34],"successful":[35],"development":[36],"of":[37,48,67,105,160,168],"automatic":[39],"recognition":[41],"(ASR)-based":[42],"depends":[44],"on":[45,117,121,186],"availability":[47],"sufficient":[49],"data":[51,69,79,81,113,187],"for":[52,58,80,85,173,190],"training.":[53],"Building":[54],"ASR":[56,142,162],"system":[57,143,163],"dysarthric":[59,88,118,152,191],"speakers":[60,89,179],"difficult":[62],"due":[63,94],"to":[64,95,170,183],"limited":[65],"amount":[66],"training":[68],"large":[71],"inter-and-intra":[72],"speaker":[73],"variabilities.":[74],"Using":[75],"normal":[76],"speaker's":[77],"augmentation":[82,114,188],"or":[83],"adaptation":[84],"low":[86,174,177],"intelligible":[87,178],"would":[90],"be":[91],"extremely":[92],"challenging":[93],"huge":[96],"variation":[97],"in":[98],"acoustic":[99],"characteristics":[100],"between":[101],"these":[102],"two":[103],"category":[104],"speakers.":[106],"In":[107],"current":[109],"article,":[110],"two-level":[112],"performed":[116],"based":[120],"virtual":[122],"linear":[123],"microphone":[124],"array-based":[125],"synthesis":[126],"followed":[127],"by":[128,156],"multi-resolution":[129],"feature":[130],"extraction.":[131],"With":[132],"augmented":[134],"data,":[136],"isolated":[138],"word":[139],"hybrid":[140],"DNN-HMM-based":[141],"trained":[145],"using":[146],"UA":[147],"corpus":[149,154],"Tamil":[151],"developed":[155],"authors.":[158],"Performance":[159],"shows":[164],"reduced":[166],"WER":[167],"up":[169],"32.79%,":[171],"35.75%":[172],"very":[176],"with":[180],"dysarthria":[181],"compared":[182],"recent":[184],"works":[185],"reported":[189],"recognition.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":4}],"updated_date":"2026-02-25T21:11:00.739837","created_date":"2025-10-10T00:00:00"}
