{"id":"https://openalex.org/W4312581522","doi":"https://doi.org/10.1109/access.2022.3232549","title":"An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants","display_name":"An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants","publication_year":2022,"publication_date":"2022-12-26","ids":{"openalex":"https://openalex.org/W4312581522","doi":"https://doi.org/10.1109/access.2022.3232549"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3232549","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232549","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/09999416.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/09999416.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034292740","display_name":"Venkateswarlu Poluboina","orcid":"https://orcid.org/0000-0003-2366-1752"},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Venkateswarlu Poluboina","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru, India","Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru 575025, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru, India","institution_ids":["https://openalex.org/I11880225"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru 575025, India","institution_ids":["https://openalex.org/I11880225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102848875","display_name":"P. Aparna","orcid":null},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Aparna Pulikala","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru, India","Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru 575025, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru, India","institution_ids":["https://openalex.org/I11880225"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, Mangaluru 575025, India","institution_ids":["https://openalex.org/I11880225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020291103","display_name":"Arivudai Nambi Pitchaimuthu","orcid":"https://orcid.org/0000-0001-7399-5334"},"institutions":[{"id":"https://openalex.org/I164861460","display_name":"Manipal Academy of Higher Education","ror":"https://ror.org/02xzytt36","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460"]},{"id":"https://openalex.org/I76414455","display_name":"Kasturba Medical College, Manipal","ror":"https://ror.org/05hg48t65","country_code":"IN","type":"education","lineage":["https://openalex.org/I164861460","https://openalex.org/I76414455"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Arivudai Nambi Pitchai Muthu","raw_affiliation_strings":["Department of Audiology and Speech Language Pathology, Kasturba Medical College, Mangaluru, India","Department of Audiology and Speech Language Pathology, Kasturba Medical College, Mangaluru 575001, India","Manipal Academy of Higher Education, Manipal 576104, India"],"affiliations":[{"raw_affiliation_string":"Department of Audiology and Speech Language Pathology, Kasturba Medical College, Mangaluru, India","institution_ids":["https://openalex.org/I76414455"]},{"raw_affiliation_string":"Department of Audiology and Speech Language Pathology, Kasturba Medical College, Mangaluru 575001, India","institution_ids":["https://openalex.org/I76414455"]},{"raw_affiliation_string":"Manipal Academy of Higher Education, Manipal 576104, India","institution_ids":["https://openalex.org/I164861460"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5034292740"],"corresponding_institution_ids":["https://openalex.org/I11880225"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.0415,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.75978588,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"11","issue":null,"first_page":"787","last_page":"796"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"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":1.0,"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/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.6316717267036438},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5930671095848083},{"id":"https://openalex.org/keywords/sine-wave","display_name":"Sine wave","score":0.4963696599006653},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.46687787771224976},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4451872706413269},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41194671392440796},{"id":"https://openalex.org/keywords/audiology","display_name":"Audiology","score":0.40434688329696655},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3584311604499817},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12933871150016785},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.11700329184532166},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1112927496433258},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10457170009613037},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09599268436431885},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08891302347183228}],"concepts":[{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.6316717267036438},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5930671095848083},{"id":"https://openalex.org/C66907618","wikidata":"https://www.wikidata.org/wiki/Q207527","display_name":"Sine wave","level":3,"score":0.4963696599006653},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.46687787771224976},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4451872706413269},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41194671392440796},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.40434688329696655},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3584311604499817},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12933871150016785},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.11700329184532166},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1112927496433258},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10457170009613037},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09599268436431885},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08891302347183228},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3232549","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232549","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/09999416.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:72eb7f5fa159456d9cdca2ee40e8a73f","is_oa":true,"landing_page_url":"https://doaj.org/article/72eb7f5fa159456d9cdca2ee40e8a73f","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 11, Pp 787-796 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3232549","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232549","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/09999416.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.8100000023841858,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320325375","display_name":"National Institute of Technology Karnataka, Surathkal","ror":"https://ror.org/01hz4v948"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4312581522.pdf","grobid_xml":"https://content.openalex.org/works/W4312581522.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1604894083","https://openalex.org/W1971749493","https://openalex.org/W1974570767","https://openalex.org/W2002586149","https://openalex.org/W2015110965","https://openalex.org/W2016399083","https://openalex.org/W2017430026","https://openalex.org/W2022870009","https://openalex.org/W2029081099","https://openalex.org/W2042682044","https://openalex.org/W2065115983","https://openalex.org/W2067145564","https://openalex.org/W2071615295","https://openalex.org/W2077626438","https://openalex.org/W2088005626","https://openalex.org/W2106244103","https://openalex.org/W2106257221","https://openalex.org/W2112854909","https://openalex.org/W2113131123","https://openalex.org/W2122096495","https://openalex.org/W2129120544","https://openalex.org/W2134925458","https://openalex.org/W2135357672","https://openalex.org/W2141892084","https://openalex.org/W2144561273","https://openalex.org/W2148024641","https://openalex.org/W2155227925","https://openalex.org/W2158336491","https://openalex.org/W2291918395","https://openalex.org/W2317707553","https://openalex.org/W2325556459","https://openalex.org/W2516001803","https://openalex.org/W2527611302","https://openalex.org/W2792452524","https://openalex.org/W3023800743","https://openalex.org/W3074075889","https://openalex.org/W3110267079","https://openalex.org/W3147539069","https://openalex.org/W3164486751","https://openalex.org/W3177842137","https://openalex.org/W4206291800","https://openalex.org/W4253928870","https://openalex.org/W6636289529"],"related_works":["https://openalex.org/W2373674497","https://openalex.org/W2081919107","https://openalex.org/W2768478174","https://openalex.org/W2010050186","https://openalex.org/W2027206961","https://openalex.org/W2610517312","https://openalex.org/W82312331","https://openalex.org/W2022763297","https://openalex.org/W2127461790","https://openalex.org/W2069324367"],"abstract_inverted_index":{"A":[0],"cochlear":[1,86,170,201],"implant":[2,171,202],"(CI)":[3],"is":[4,38,217],"the":[5,18,31,50,54,64,82,96,102,106,114,129,133,139,150,157,165,169,175,180,186,200,211,214,220],"most":[6,42],"suitable":[7,119],"option":[8],"for":[9,120,174],"individuals":[10],"with":[11,36,185],"severe":[12],"profound":[13],"hearing":[14],"loss.":[15],"CI":[16,56,121],"restores":[17],"audibility":[19],"to":[20,73,94,198,219],"near":[21],"perfection":[22],"and":[23,79,109,137,144,159,190,206,222],"offers":[24],"good":[25],"speech":[26,32,43,75,108,162],"understanding":[27],"in":[28,34,77],"quiet.":[29],"However,":[30],"perception":[33],"noise":[35,78,90,134],"CIs":[37,47],"less":[39],"optimal":[40],"as":[41],"coding":[44,58],"strategies":[45,59],"of":[46,85,105,128,132,149,168,179,213],"encode":[48],"only":[49],"temporal":[51,103],"envelope.":[52],"Besides":[53],"current":[55,65],"signal":[57],"lacks":[60],"sophisticated":[61],"pre-processing.":[62],"In":[63],"study,":[66],"we":[67],"proposed":[68,89,115,151,181,215],"a":[69],"novel":[70],"pre-processing":[71],"method":[72,116,152,182],"improve":[74],"Intelligibility":[76],"tested":[80],"using":[81,142,156],"acoustic":[83,166],"simulations":[84,167],"implants.":[87],"The":[88,147,193],"reduction":[91],"technique":[92,216],"aims":[93],"minimize":[95],"mean":[97],"square":[98],"error":[99],"(MSE)":[100],"between":[101],"envelopes":[104],"enhanced":[107],"its":[110],"clean":[111],"speech.":[112],"Therefore,":[113],"will":[117],"be":[118],"applications.":[122],"This":[123],"paper":[124],"provides":[125],"an":[126],"analysis":[127],"theoretical":[130],"derivation":[131],"suppression":[135],"function":[136],"also":[138],"performance":[140,212],"evaluation":[141],"objective":[143,205],"subjective":[145,176,207],"tests.":[146],"effectiveness":[148],"was":[153,172,183,196],"objectively":[154],"evaluated":[155],"SRMR-CI":[158],"ESTOI.":[160],"Additionally,":[161],"recognition":[163],"through":[164],"done":[173],"evaluation.":[177],"Performance":[178],"compared":[184],"Weiner":[187],"filter":[188],"(WF)":[189],"sigmoidal":[191,223],"functions.":[192],"sinewave":[194],"vocoder":[195],"used":[197],"simulate":[199],"perception.":[203],"Both":[204],"scores":[208],"revealed":[209],"that":[210],"superior":[218],"WF":[221],"function.":[224]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
