{"id":"https://openalex.org/W2995322122","doi":"https://doi.org/10.23919/spa.2019.8936771","title":"A Novel Quasi-Spherical Nested Microphone Array and Multiresolution Modified SRP by GammaTone Filterbank for Multiple Speakers Localization","display_name":"A Novel Quasi-Spherical Nested Microphone Array and Multiresolution Modified SRP by GammaTone Filterbank for Multiple Speakers Localization","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W2995322122","doi":"https://doi.org/10.23919/spa.2019.8936771","mag":"2995322122"},"language":"en","primary_location":{"id":"doi:10.23919/spa.2019.8936771","is_oa":false,"landing_page_url":"https://doi.org/10.23919/spa.2019.8936771","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Signal Processing: Algorithms, Architectures, Arrangements, and Applications (SPA)","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/A5086815484","display_name":"Ali Dehghan Firoozabadi","orcid":"https://orcid.org/0000-0002-6391-6863"},"institutions":[{"id":"https://openalex.org/I4210144223","display_name":"Metropolitan University of Technology","ror":"https://ror.org/04bpsn575","country_code":"CL","type":"education","lineage":["https://openalex.org/I4210144223"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Ali Dehghan Firoozabadi","raw_affiliation_strings":["Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile","institution_ids":["https://openalex.org/I4210144223"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090799350","display_name":"Pablo Irarr\u00e1zaval","orcid":"https://orcid.org/0000-0002-5186-2642"},"institutions":[{"id":"https://openalex.org/I162148367","display_name":"Pontificia Universidad Cat\u00f3lica de Chile","ror":"https://ror.org/04teye511","country_code":"CL","type":"education","lineage":["https://openalex.org/I162148367"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Pablo Irarrazaval","raw_affiliation_strings":["Electrical Engineering Department, Pontificia Universidad Cat\u00f3lica de Chile, Santiago, Chile"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, Pontificia Universidad Cat\u00f3lica de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I162148367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024505998","display_name":"Pablo Adasme","orcid":"https://orcid.org/0000-0003-2500-3294"},"institutions":[{"id":"https://openalex.org/I10457146","display_name":"Universidad de Santiago de Chile","ror":"https://ror.org/02ma57s91","country_code":"CL","type":"education","lineage":["https://openalex.org/I10457146"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Pablo Adasme","raw_affiliation_strings":["Electrical Engineering Department, Universidad de Santiago de Chile, Santiago, Chile"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, Universidad de Santiago de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I10457146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055972859","display_name":"Hugo Durney","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144223","display_name":"Metropolitan University of Technology","ror":"https://ror.org/04bpsn575","country_code":"CL","type":"education","lineage":["https://openalex.org/I4210144223"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Hugo Durney","raw_affiliation_strings":["Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile","institution_ids":["https://openalex.org/I4210144223"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043465545","display_name":"Miguel Sanhueza Olave","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144223","display_name":"Metropolitan University of Technology","ror":"https://ror.org/04bpsn575","country_code":"CL","type":"education","lineage":["https://openalex.org/I4210144223"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Miguel Sanhueza Olave","raw_affiliation_strings":["Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electricity, Universidad Tecnol\u00f3gica Metropolitana, Santiago, Chile","institution_ids":["https://openalex.org/I4210144223"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5007,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.65140909,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"208","last_page":"213"},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9980999827384949,"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/histogram","display_name":"Histogram","score":0.6630949974060059},{"id":"https://openalex.org/keywords/filter-bank","display_name":"Filter bank","score":0.6147804856300354},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5951552391052246},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.580845057964325},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.5793697237968445},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5248016119003296},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.4898950457572937},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4391973912715912},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.4324984848499298},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.4261765480041504},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4028240442276001},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3281998634338379},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25884801149368286},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25288426876068115},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.18247190117835999},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.13356399536132812}],"concepts":[{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6630949974060059},{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.6147804856300354},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5951552391052246},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.580845057964325},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.5793697237968445},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5248016119003296},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.4898950457572937},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4391973912715912},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.4324984848499298},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.4261765480041504},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4028240442276001},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3281998634338379},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25884801149368286},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25288426876068115},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.18247190117835999},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.13356399536132812},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/spa.2019.8936771","is_oa":false,"landing_page_url":"https://doi.org/10.23919/spa.2019.8936771","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Signal Processing: Algorithms, Architectures, Arrangements, and Applications (SPA)","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":13,"referenced_works":["https://openalex.org/W79982134","https://openalex.org/W1549884461","https://openalex.org/W1555217905","https://openalex.org/W2103203016","https://openalex.org/W2113044952","https://openalex.org/W2117678320","https://openalex.org/W2157494921","https://openalex.org/W2513480790","https://openalex.org/W2776323726","https://openalex.org/W2889419636","https://openalex.org/W2908397142","https://openalex.org/W3104947433","https://openalex.org/W6603262077"],"related_works":["https://openalex.org/W2095582735","https://openalex.org/W2059318893","https://openalex.org/W1965698851","https://openalex.org/W2087912877","https://openalex.org/W2159848397","https://openalex.org/W2114026179","https://openalex.org/W2108641942","https://openalex.org/W3036714475","https://openalex.org/W2149163000","https://openalex.org/W2941208637"],"abstract_inverted_index":{"Multiple":[0],"sound":[1,57],"source":[2,58],"localization":[3,17],"is":[4,21,44,86,108,124,151,160,193,207],"one":[5],"of":[6,94,115,137,147,164,172,180,188,204,219],"the":[7,32,48,62,79,90,102,112,134,138,145,157,181,186,202,205,227],"most":[8],"important":[9],"applications":[10],"in":[11,16,26,35,98,209,223,233],"speech":[12,80,95],"processing.":[13],"The":[14,83,120,169,190],"challenge":[15],"and":[18,28,51,117,128,133,156,198,201],"tracking":[19],"algorithms":[20],"to":[22,46,52,66,70,89],"have":[23],"better":[24],"accuracy":[25],"noisy":[27,197],"reverberant":[29,199],"environments.":[30],"In":[31,60],"proposed":[33],"method":[34,123,206],"this":[36],"paper,":[37],"a":[38],"Quasi-Spherical":[39],"Nested":[40],"Microphone":[41],"Array":[42],"(QS-NMA)":[43],"suggested":[45],"eliminate":[47],"spatial":[49],"aliasing":[50],"be":[53],"applicable":[54],"for":[55,166,230],"3D":[56,170],"localization.":[59],"addition,":[61],"microphone":[63],"signals":[64],"related":[65],"QS-NMA":[67,116,220],"are":[68,141,175],"divided":[69],"different":[71,196,224],"subbands":[72,155],"by":[73,126,162,177,217],"GammaTone":[74],"filter":[75],"bank":[76],"based":[77,110,143,184],"on":[78,111,144,153,185,195],"spectrum":[81],"components.":[82],"subband":[84,118],"processing":[85],"considered":[87],"due":[88],"W-Disjoint":[91],"Orthogonality":[92],"(W-DO)":[93],"signal":[96],"specially":[97],"low":[99],"frequencies.":[100],"Then,":[101],"modified":[103,121,139],"steered":[104],"response":[105],"power":[106],"(SRP)":[107],"implemented":[109,152],"specific":[113],"microphones":[114],"signals.":[119],"SRP":[122,140],"combined":[125],"ML":[127],"PHAT":[129],"weighted":[130],"functions":[131],"adaptively":[132],"peak":[135,178],"positions":[136,171,232],"extracted":[142],"number":[146,187],"speakers.":[148,189],"This":[149,215],"process":[150],"all":[154,173],"final":[158,182],"histogram":[159,183],"calculated":[161],"combination":[163],"histograms":[165],"each":[167],"subband.":[168],"speakers":[174,222],"estimated":[176],"selections":[179],"Proposed":[191],"system":[192,216],"evaluated":[194],"conditions":[200],"superiority":[203],"presented":[208],"comparison":[210],"with":[211,226],"other":[212],"previous":[213],"works.":[214],"using":[218],"localizes":[221],"directions":[225],"same":[228],"probability":[229],"speaker's":[231],"indoor":[234],"conditions.":[235]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}