{"id":"https://openalex.org/W1559547599","doi":"https://doi.org/10.1109/icdsp.2015.7252069","title":"Speech enhancement via covariance estimation using Hermitian angle in adaptive beamforming","display_name":"Speech enhancement via covariance estimation using Hermitian angle in adaptive beamforming","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W1559547599","doi":"https://doi.org/10.1109/icdsp.2015.7252069","mag":"1559547599"},"language":"en","primary_location":{"id":"doi:10.1109/icdsp.2015.7252069","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2015.7252069","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Digital Signal Processing (DSP)","raw_type":"proceedings-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/A5090721477","display_name":"Huizhi Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Huizhi Shen","raw_affiliation_strings":["School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore","School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111451949","display_name":"V. G. Rejut","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"V. G. Rejut","raw_affiliation_strings":["Nanyang Technological University, Singapore, Singapore, SG","School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanyang Technological University, Singapore, Singapore, SG","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010202250","display_name":"Andy W. H. Khong","orcid":"https://orcid.org/0000-0002-0708-4791"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Andy W. H. Khong","raw_affiliation_strings":["School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore","School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical & Electronic Engineering , Nanyang Technological University , Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.29,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.53142791,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"51","issue":null,"first_page":"1196","last_page":"1200"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9994000196456909,"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"}},{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9984999895095825,"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/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.6893593072891235},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6571173667907715},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6026018261909485},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5541285872459412},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5136892199516296},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5115038156509399},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4637826681137085},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.43800026178359985},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.4233095049858093},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.36490797996520996},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18912136554718018},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13551726937294006},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12912064790725708},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.0850440263748169}],"concepts":[{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.6893593072891235},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6571173667907715},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6026018261909485},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5541285872459412},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5136892199516296},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5115038156509399},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4637826681137085},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.43800026178359985},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.4233095049858093},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36490797996520996},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18912136554718018},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13551726937294006},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12912064790725708},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0850440263748169},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icdsp.2015.7252069","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2015.7252069","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Digital Signal Processing (DSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W181224689","https://openalex.org/W653761051","https://openalex.org/W1594866568","https://openalex.org/W1660883632","https://openalex.org/W1971846076","https://openalex.org/W2005602327","https://openalex.org/W2018205510","https://openalex.org/W2031583051","https://openalex.org/W2050266607","https://openalex.org/W2062125287","https://openalex.org/W2066218102","https://openalex.org/W2075061920","https://openalex.org/W2085388516","https://openalex.org/W2096327012","https://openalex.org/W2098150671","https://openalex.org/W2098529130","https://openalex.org/W2104236641","https://openalex.org/W2113076747","https://openalex.org/W2127851351","https://openalex.org/W2130780554","https://openalex.org/W2150678643","https://openalex.org/W2154354807","https://openalex.org/W2169474952","https://openalex.org/W3103960010","https://openalex.org/W3127686677","https://openalex.org/W4256245490","https://openalex.org/W6674657754","https://openalex.org/W6789826613"],"related_works":["https://openalex.org/W818226659","https://openalex.org/W2009075871","https://openalex.org/W2132841313","https://openalex.org/W2518591292","https://openalex.org/W2105408150","https://openalex.org/W1976800395","https://openalex.org/W3013496310","https://openalex.org/W2606661315","https://openalex.org/W2548445082","https://openalex.org/W2761218246"],"abstract_inverted_index":{"Conventional":[0],"adaptive":[1],"beamformer":[2,47],"that":[3,123],"employs":[4],"covariance":[5,34,118],"matrix":[6,119],"estimated":[7],"from":[8,70],"received":[9,72],"signals":[10],"is":[11,100,110],"sensitive":[12],"to":[13,58,103,113],"array":[14],"perturbation":[15],"and":[16,49,63,135],"signal":[17,41],"direction-of-arrival":[18],"mismatch.":[19],"To":[20,66],"ensure":[21],"robust":[22],"performance,":[23],"only":[24],"the":[25,31,39,46,52,71,77,81,91,105,114,124],"interference-plus-noise":[26,68,106],"components":[27,69],"are":[28],"used":[29,102],"in":[30,61,80,94],"computation":[32],"of":[33,38,51,90,117],"matrix.":[35],"Any":[36],"leakage":[37],"desired":[40],"will":[42,56],"introduce":[43],"distortion":[44],"at":[45],"output":[48],"under-estimation":[50],"interference":[53,62],"and/or":[54],"noise":[55,64],"lead":[57],"a":[59,128],"reduction":[60],"suppression.":[65],"identify":[67],"microphone":[73,78],"signals,":[74],"we":[75,87],"analyze":[76],"outputs":[79],"short-time":[82],"Fourier":[83],"transform":[84],"domain":[85],"where":[86],"exploit":[88],"property":[89],"Hermitian":[92],"angle":[93],"complex":[95],"vector":[96],"space.":[97],"This":[98],"information":[99],"then":[101,111],"determine":[104],"presence":[107],"probability":[108],"which":[109],"incorporated":[112],"updating":[115],"process":[116],"estimation.":[120],"We":[121],"show":[122],"proposed":[125,130],"algorithm":[126,131],"outperforms":[127],"recently":[129],"for":[132],"both":[133],"simulated":[134],"recorded":[136],"data.":[137]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}