{"id":"https://openalex.org/W4285119708","doi":"https://doi.org/10.1109/taslp.2022.3180671","title":"A Compact Noise Covariance Matrix Model for MVDR Beamforming","display_name":"A Compact Noise Covariance Matrix Model for MVDR Beamforming","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4285119708","doi":"https://doi.org/10.1109/taslp.2022.3180671"},"language":"en","primary_location":{"id":"doi:10.1109/taslp.2022.3180671","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2022.3180671","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/9789594/09789595.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/6570655/9789594/09789595.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072438406","display_name":"Alastair H. Moore","orcid":"https://orcid.org/0000-0001-8911-1601"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Alastair H. Moore","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-8911-1601","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076447242","display_name":"Sina Hafezi","orcid":"https://orcid.org/0000-0003-3394-8837"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sina Hafezi","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0003-3394-8837","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003264223","display_name":"Rebecca R. Vos","orcid":null},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rebecca R. Vos","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016227729","display_name":"Patrick A. Naylor","orcid":"https://orcid.org/0000-0001-8546-8013"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Patrick A. Naylor","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-8546-8013","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004899548","display_name":"Mike Brookes","orcid":"https://orcid.org/0000-0001-7105-4936"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mike Brookes","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-7105-4936","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5072438406"],"corresponding_institution_ids":["https://openalex.org/I47508984"],"apc_list":null,"apc_paid":null,"fwci":2.0831,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.86807872,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"30","issue":null,"first_page":"2049","last_page":"2061"},"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/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9977999925613403,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6768735647201538},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.6475666761398315},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.6471734642982483},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6048277616500854},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.5826935172080994},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5584375262260437},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4373674690723419},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.43297091126441956},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4096224904060364},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.37810248136520386},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.36041298508644104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32041603326797485},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16528645157814026},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13085323572158813},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09600618481636047},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07890236377716064},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.07229030132293701}],"concepts":[{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6768735647201538},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.6475666761398315},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.6471734642982483},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6048277616500854},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.5826935172080994},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5584375262260437},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4373674690723419},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.43297091126441956},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4096224904060364},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.37810248136520386},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.36041298508644104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32041603326797485},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16528645157814026},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13085323572158813},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09600618481636047},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07890236377716064},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.07229030132293701},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/taslp.2022.3180671","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2022.3180671","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/9789594/09789595.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/97268","is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/97268","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2061","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1109/taslp.2022.3180671","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2022.3180671","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/9789594/09789595.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5125349196","display_name":null,"funder_award_id":"EP/S035842/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G5952785084","display_name":"Environment and Listener Optimised Speech Processing for Hearing Enhancement in Real Situations (ELO-SPHERES)","funder_award_id":"EP/S035842/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4285119708.pdf","grobid_xml":"https://content.openalex.org/works/W4285119708.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1506688500","https://openalex.org/W1536252645","https://openalex.org/W1552314771","https://openalex.org/W1893870629","https://openalex.org/W1969110495","https://openalex.org/W1987906574","https://openalex.org/W2005602327","https://openalex.org/W2029646340","https://openalex.org/W2037117129","https://openalex.org/W2044342600","https://openalex.org/W2050551142","https://openalex.org/W2066218102","https://openalex.org/W2093225945","https://openalex.org/W2101609516","https://openalex.org/W2117678320","https://openalex.org/W2117869333","https://openalex.org/W2125697172","https://openalex.org/W2129120544","https://openalex.org/W2135933199","https://openalex.org/W2139182243","https://openalex.org/W2139916917","https://openalex.org/W2141998673","https://openalex.org/W2154076795","https://openalex.org/W2160615084","https://openalex.org/W2169669137","https://openalex.org/W2336913545","https://openalex.org/W2517616541","https://openalex.org/W2539508298","https://openalex.org/W2568308529","https://openalex.org/W2591917595","https://openalex.org/W2791524682","https://openalex.org/W2890489755","https://openalex.org/W2892317164","https://openalex.org/W2900251640","https://openalex.org/W2914926710","https://openalex.org/W2940099105","https://openalex.org/W2951683139","https://openalex.org/W2963177568","https://openalex.org/W2964210131","https://openalex.org/W2982471419","https://openalex.org/W3105118415","https://openalex.org/W4396738453","https://openalex.org/W6778325133"],"related_works":["https://openalex.org/W2896203542","https://openalex.org/W201299990","https://openalex.org/W876328409","https://openalex.org/W818226659","https://openalex.org/W2996333928","https://openalex.org/W2009075871","https://openalex.org/W4319068615","https://openalex.org/W2132841313","https://openalex.org/W2518591292","https://openalex.org/W1976800395"],"abstract_inverted_index":{"Acoustic":[0],"beamforming":[1],"is":[2,60,104,148],"routinely":[3],"used":[4,135,187],"to":[5,49,62,70,121,136,181],"improve":[6],"the":[7,10,40,46,63,79,99,126,182],"SNR":[8],"of":[9,39,78,98,110,125,142,158],"received":[11],"signal":[12,100],"in":[13,45,55,73,88,132,174],"applications":[14],"such":[15],"as":[16,188],"hearing":[17],"aids,":[18],"robot":[19],"audition,":[20],"augmented":[21],"reality,":[22],"teleconferencing,":[23],"source":[24,27],"localisation":[25],"and":[26,66,163,176,184],"tracking.":[28],"The":[29,118,140,168],"beamformer":[30],"can":[31,68,114],"be":[32,115,134],"made":[33],"adaptive":[34,185],"by":[35,106],"using":[36,145,160],"an":[37,51],"estimate":[38,124],"time-varying":[41],"noise":[42,80,127],"covariance":[43,81,101,128],"matrix":[44,82,102,129],"spectral":[47],"domain":[48],"determine":[50],"optimised":[52],"beam":[53],"pattern":[54],"each":[56],"frequency":[57],"bin":[58],"that":[59,67,103],"specific":[61],"acoustic":[64,90],"environment":[65],"respond":[69],"temporal":[71],"changes":[72],"it.":[74],"However,":[75],"robust":[76,123],"estimation":[77],"remains":[83],"a":[84,95,107,122,138,151,156],"challenging":[85],"task":[86],"especially":[87],"non-stationary":[89],"environments.":[91],"This":[92],"paper":[93],"presents":[94],"compact":[96],"model":[97,119],"defined":[105],"small":[108],"number":[109],"parameters":[111],"whose":[112],"values":[113],"reliably":[116],"estimated.":[117],"leads":[120],"which":[130],"can,":[131],"turn,":[133],"construct":[137],"beamformer.":[139],"performance":[141],"beamformers":[143,186],"designed":[144],"this":[146],"approach":[147,170],"evaluated":[149],"for":[150],"spherical":[152],"microphone":[153],"array":[154],"under":[155],"range":[157],"conditions":[159],"both":[161],"simulated":[162],"measured":[164],"room":[165],"impulse":[166],"responses.":[167],"proposed":[169],"demonstrates":[171],"consistent":[172],"gains":[173],"intelligibility":[175],"perceptual":[177],"quality":[178],"metrics":[179],"compared":[180],"static":[183],"baselines.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
