{"id":"https://openalex.org/W4375869414","doi":"https://doi.org/10.1109/icassp49357.2023.10095617","title":"Subspace Hybrid Beamforming for Head-Worn Microphone Arrays","display_name":"Subspace Hybrid Beamforming for Head-Worn Microphone Arrays","publication_year":2023,"publication_date":"2023-05-05","ids":{"openalex":"https://openalex.org/W4375869414","doi":"https://doi.org/10.1109/icassp49357.2023.10095617"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49357.2023.10095617","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49357.2023.10095617","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/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":["Imperial College London,Electrical and Electronic Engineering,London,UK","Electrical and Electronic Engineering, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London,Electrical and Electronic Engineering,London,UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","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":false,"raw_author_name":"Alastair H. Moore","raw_affiliation_strings":["Imperial College London,Electrical and Electronic Engineering,London,UK","Electrical and Electronic Engineering, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London,Electrical and Electronic Engineering,London,UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048146578","display_name":"Pierre Guiraud","orcid":"https://orcid.org/0000-0002-4242-9556"},"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":"Pierre Guiraud","raw_affiliation_strings":["Imperial College London,Electrical and Electronic Engineering,London,UK","Electrical and Electronic Engineering, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London,Electrical and Electronic Engineering,London,UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Electrical and Electronic Engineering, Imperial College London, London, UK","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":["Imperial College London,Electrical and Electronic Engineering,London,UK","Electrical and Electronic Engineering, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London,Electrical and Electronic Engineering,London,UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Electrical and Electronic Engineering, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055065049","display_name":"Jacob Donley","orcid":"https://orcid.org/0000-0002-8401-798X"},"institutions":[{"id":"https://openalex.org/I4210128585","display_name":"META Health","ror":"https://ror.org/035h67p10","country_code":"US","type":"other","lineage":["https://openalex.org/I4210128585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jacob Donley","raw_affiliation_strings":["Meta Reality Labs Research,Redmond,Washington,USA","Meta Reality Labs Research, Redmond, Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Meta Reality Labs Research,Redmond,Washington,USA","institution_ids":["https://openalex.org/I4210128585"]},{"raw_affiliation_string":"Meta Reality Labs Research, Redmond, Washington, USA","institution_ids":["https://openalex.org/I4210128585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026575041","display_name":"Vladimir Tourbabin","orcid":"https://orcid.org/0000-0003-2536-5666"},"institutions":[{"id":"https://openalex.org/I4210128585","display_name":"META Health","ror":"https://ror.org/035h67p10","country_code":"US","type":"other","lineage":["https://openalex.org/I4210128585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vladimir Tourbabin","raw_affiliation_strings":["Meta Reality Labs Research,Redmond,Washington,USA","Meta Reality Labs Research, Redmond, Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Meta Reality Labs Research,Redmond,Washington,USA","institution_ids":["https://openalex.org/I4210128585"]},{"raw_affiliation_string":"Meta Reality Labs Research, Redmond, Washington, USA","institution_ids":["https://openalex.org/I4210128585"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070985289","display_name":"Thomas Lunner","orcid":"https://orcid.org/0000-0001-7101-7561"},"institutions":[{"id":"https://openalex.org/I4210128585","display_name":"META Health","ror":"https://ror.org/035h67p10","country_code":"US","type":"other","lineage":["https://openalex.org/I4210128585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Lunner","raw_affiliation_strings":["Meta Reality Labs Research,Redmond,Washington,USA","Meta Reality Labs Research, Redmond, Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Meta Reality Labs Research,Redmond,Washington,USA","institution_ids":["https://openalex.org/I4210128585"]},{"raw_affiliation_string":"Meta Reality Labs Research, Redmond, Washington, USA","institution_ids":["https://openalex.org/I4210128585"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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":0.9987999796867371,"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/beamforming","display_name":"Beamforming","score":0.7941200733184814},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.7726645469665527},{"id":"https://openalex.org/keywords/pesq","display_name":"PESQ","score":0.7525032758712769},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7467081546783447},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.646419882774353},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.6122741103172302},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.5992996096611023},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5621448159217834},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.4976077377796173},{"id":"https://openalex.org/keywords/minimum-variance-unbiased-estimator","display_name":"Minimum-variance unbiased estimator","score":0.4701818525791168},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.4669305682182312},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.38891810178756714},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.36021625995635986},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.28702211380004883},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18261218070983887},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14070677757263184},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.10360392928123474}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7941200733184814},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.7726645469665527},{"id":"https://openalex.org/C103734657","wikidata":"https://www.wikidata.org/wiki/Q2739975","display_name":"PESQ","level":4,"score":0.7525032758712769},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7467081546783447},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.646419882774353},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.6122741103172302},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.5992996096611023},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5621448159217834},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.4976077377796173},{"id":"https://openalex.org/C165646398","wikidata":"https://www.wikidata.org/wiki/Q3755281","display_name":"Minimum-variance unbiased estimator","level":3,"score":0.4701818525791168},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.4669305682182312},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.38891810178756714},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.36021625995635986},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28702211380004883},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18261218070983887},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14070677757263184},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.10360392928123474},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49357.2023.10095617","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49357.2023.10095617","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.4000000059604645}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1500551892","https://openalex.org/W1552314771","https://openalex.org/W1991139021","https://openalex.org/W2037117129","https://openalex.org/W2044342600","https://openalex.org/W2066218102","https://openalex.org/W2127851351","https://openalex.org/W2141998673","https://openalex.org/W2144404214","https://openalex.org/W2160615084","https://openalex.org/W2336913545","https://openalex.org/W2517616541","https://openalex.org/W2539508298","https://openalex.org/W2568308529","https://openalex.org/W2591917595","https://openalex.org/W2890489755","https://openalex.org/W2951683139","https://openalex.org/W2982471419","https://openalex.org/W3105118415","https://openalex.org/W3179026300","https://openalex.org/W4250857377","https://openalex.org/W6797761920"],"related_works":["https://openalex.org/W3016109656","https://openalex.org/W2058482658","https://openalex.org/W1973895194","https://openalex.org/W3135613579","https://openalex.org/W4388016426","https://openalex.org/W1980687383","https://openalex.org/W2546593254","https://openalex.org/W4386746628","https://openalex.org/W4387473770","https://openalex.org/W2348931051"],"abstract_inverted_index":{"A":[0],"two-stage":[1],"multi-channel":[2,26],"speech":[3,122,127],"enhancement":[4],"method":[5,108],"is":[6],"proposed":[7,107],"which":[8,55],"consists":[9],"of":[10,45,60,66,75,99],"a":[11,24,43,83,97],"novel":[12,25],"adaptive":[13,67],"beamformer,":[14],"Hybrid":[15,76,94],"Minimum":[16],"Variance":[17],"Distortionless":[18],"Response":[19],"(MVDR),":[20],"Isotropic-MVDR":[21],"(Iso),":[22],"and":[23,50,63,77,121],"spectral":[27],"Principal":[28],"Components":[29],"Analysis":[30],"(PCA)":[31],"denoising.":[32],"In":[33,69],"the":[34,37,52,58,64,70,73,89,106,110],"first":[35],"stage,":[36,72],"Hybrid-MVDR":[38],"performs":[39],"multiple":[40],"MVDRs":[41],"using":[42],"dictionary":[44],"pre-defined":[46],"noise":[47,115],"field":[48],"models":[49],"picks":[51],"minimum-power":[53],"outcome,":[54],"benefits":[56],"from":[57],"robustness":[59],"signal-independent":[61],"beamforming":[62],"performance":[65],"beamforming.":[68],"second":[71],"outcomes":[74],"Iso":[78],"are":[79],"jointly":[80],"used":[81],"in":[82,114],"two-channel":[84],"PCA-based":[85],"denoising":[86],"to":[87],"remove":[88],"\u2018musical":[90],"noise\u2019":[91],"produced":[92],"by":[93],"beamformer.":[95],"On":[96],"dataset":[98],"real":[100],"\u2018cocktail-party\u2019":[101],"recordings":[102],"with":[103,125],"head-worn":[104],"array,":[105],"outperforms":[109],"baseline":[111],"superdirective":[112],"beamformer":[113],"suppression":[116],"(fwSegSNR,":[117],"SDR,":[118],"SIR,":[119],"SAR)":[120],"intelligibility":[123],"(STOI)":[124],"similar":[126],"quality":[128],"(PESQ)":[129],"improvement.":[130]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
