{"id":"https://openalex.org/W2055583054","doi":"https://doi.org/10.1155/asp/2006/83683","title":"Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models","display_name":"Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models","publication_year":2006,"publication_date":"2006-08-16","ids":{"openalex":"https://openalex.org/W2055583054","doi":"https://doi.org/10.1155/asp/2006/83683","mag":"2055583054"},"language":"en","primary_location":{"id":"doi:10.1155/asp/2006/83683","is_oa":true,"landing_page_url":"https://doi.org/10.1155/asp/2006/83683","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/ASP/2006/83683","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/ASP/2006/83683","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5043759410","display_name":"Ryo Mukai","orcid":"https://orcid.org/0000-0003-1796-9232"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ryo Mukai","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007032557","display_name":"Hiroshi Sawada","orcid":"https://orcid.org/0000-0002-4831-9286"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Sawada","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009309584","display_name":"Shoko Araki","orcid":"https://orcid.org/0000-0003-4363-4305"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shoko Araki","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075702573","display_name":"Shoji Makino","orcid":"https://orcid.org/0000-0003-1934-640X"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shoji Makino","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, 2\u20134 Hikaridai, Seika-Cho, Soraku-Gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation, Hikaridai Seika-cho, Soraku-gun, Kyoto, Japan","institution_ids":["https://openalex.org/I2251713219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5043759410"],"corresponding_institution_ids":["https://openalex.org/I2251713219"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":2.5868,"has_fulltext":true,"cited_by_count":29,"citation_normalized_percentile":{"value":0.89144521,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"2006","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","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/T11447","display_name":"Blind Source Separation Techniques","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/T10860","display_name":"Speech and Audio Processing","score":0.9976999759674072,"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":0.9836999773979187,"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/blind-signal-separation","display_name":"Blind signal separation","score":0.8466008901596069},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6288362145423889},{"id":"https://openalex.org/keywords/permutation","display_name":"Permutation (music)","score":0.5897101163864136},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.5716509819030762},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5561441779136658},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.5455817580223083},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.49363601207733154},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.4823019504547119},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.47536057233810425},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.469561368227005},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.42536723613739014},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4158511459827423},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30398333072662354},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27883750200271606},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.26899582147598267},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1249140202999115},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.12032368779182434},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07450300455093384}],"concepts":[{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.8466008901596069},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6288362145423889},{"id":"https://openalex.org/C21308566","wikidata":"https://www.wikidata.org/wiki/Q7169365","display_name":"Permutation (music)","level":2,"score":0.5897101163864136},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.5716509819030762},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5561441779136658},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.5455817580223083},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.49363601207733154},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.4823019504547119},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.47536057233810425},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.469561368227005},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.42536723613739014},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4158511459827423},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30398333072662354},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27883750200271606},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.26899582147598267},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1249140202999115},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.12032368779182434},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07450300455093384},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","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},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/asp/2006/83683","is_oa":true,"landing_page_url":"https://doi.org/10.1155/asp/2006/83683","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/ASP/2006/83683","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.329.3293","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.329.3293","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.kecl.ntt.co.jp/icl/signal/mukai/paper/mukai_ejasp2006.pdf","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:2fbad1afbe9a4f25b5cc7d2ad22fbe78","is_oa":true,"landing_page_url":"https://doaj.org/article/2fbad1afbe9a4f25b5cc7d2ad22fbe78","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Advances in Signal Processing, Vol 2006, Iss 1, p 083683 (2006)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/asp/2006/83683","is_oa":true,"landing_page_url":"https://doi.org/10.1155/asp/2006/83683","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/ASP/2006/83683","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2055583054.pdf","grobid_xml":"https://content.openalex.org/works/W2055583054.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W2812260","https://openalex.org/W134664778","https://openalex.org/W160190058","https://openalex.org/W203924768","https://openalex.org/W1489793438","https://openalex.org/W1514159701","https://openalex.org/W1523943344","https://openalex.org/W1534112425","https://openalex.org/W1548802052","https://openalex.org/W1682179207","https://openalex.org/W1970789124","https://openalex.org/W1971709614","https://openalex.org/W1974388905","https://openalex.org/W2017939415","https://openalex.org/W2020946001","https://openalex.org/W2027884847","https://openalex.org/W2062572859","https://openalex.org/W2086322880","https://openalex.org/W2096855653","https://openalex.org/W2099741732","https://openalex.org/W2106302251","https://openalex.org/W2107570138","https://openalex.org/W2108357193","https://openalex.org/W2108384452","https://openalex.org/W2114461480","https://openalex.org/W2115167285","https://openalex.org/W2120107643","https://openalex.org/W2121609422","https://openalex.org/W2134642725","https://openalex.org/W2134910060","https://openalex.org/W2145563317","https://openalex.org/W2167398706","https://openalex.org/W2240887954","https://openalex.org/W2337663060","https://openalex.org/W2435167693","https://openalex.org/W2527193322","https://openalex.org/W2599669236","https://openalex.org/W2799061466","https://openalex.org/W3143835353","https://openalex.org/W4205687621","https://openalex.org/W4205778870","https://openalex.org/W4252633667","https://openalex.org/W4285719527","https://openalex.org/W4310638450"],"related_works":["https://openalex.org/W2390344110","https://openalex.org/W2364896863","https://openalex.org/W2361066326","https://openalex.org/W2046761971","https://openalex.org/W2107364365","https://openalex.org/W2118307209","https://openalex.org/W1785857632","https://openalex.org/W4281722104","https://openalex.org/W2187523794","https://openalex.org/W1503525627"],"abstract_inverted_index":{"We":[0,138,156],"discuss":[1,157],"the":[2,12,20,32,36,64,68,78,82,95,104,113,123,135,151,158,161,180,202],"frequency-domain":[3,33,146],"blind":[4],"source":[5,15,22,71,127],"separation":[6],"(BSS)":[7],"of":[8,14,70,77,153,160,187,198],"convolutive":[9],"mixtures":[10],"when":[11,67,196],"number":[13,69],"signals":[16,72,79,128,190],"is":[17,35,42,73],"large,":[18],"and":[19,39,75,112,134,163],"potential":[21],"locations":[23],"are":[24],"omnidirectional.":[25],"The":[26],"most":[27],"critical":[28],"problem":[29,66,142,162],"related":[30],"to":[31,62,145],"BSS":[34,147],"permutation":[37,65],"problem,":[38],"geometric":[40,58],"information":[41,59],"helpful":[43],"as":[44],"regards":[45],"solving":[46,168],"it.":[47,169],"In":[48],"this":[49],"paper,":[50],"we":[51,89,117],"propose":[52,118],"a":[53,85,91,119,165,176,185],"method":[54,92,120,182],"for":[55,93,121,167],"obtaining":[56],"proper":[57],"with":[60,143],"which":[61,126],"solve":[63],"large":[74],"some":[76],"come":[80,200],"from":[81,150,192,201],"same":[83,203],"or":[84],"similar":[86],"direction.":[87,204],"First,":[88],"describe":[90],"estimating":[94,122],"absolute":[96],"DOA":[97],"by":[98,103,107,130],"using":[99,131,172],"relative":[100],"DOAs":[101],"obtained":[102],"solution":[105,133,166],"provided":[106],"independent":[108],"component":[109],"analysis":[110],"(ICA)":[111],"far-field":[114],"model.":[115,137],"Next,":[116],"spheres":[124],"on":[125],"exist":[129],"ICA":[132],"near-field":[136],"also":[139],"address":[140],"another":[141],"regard":[144],"that":[148,179],"arises":[149],"circularity":[152],"discrete-frequency":[154],"representation.":[155],"characteristics":[159],"present":[164],"Experimental":[170],"results":[171],"eight":[173],"microphones":[174],"in":[175],"room":[177],"show":[178],"proposed":[181],"can":[183],"separate":[184],"mixture":[186],"six":[188],"speech":[189],"arriving":[191],"various":[193],"directions,":[194],"even":[195],"two":[197],"them":[199]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":6},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":5}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}
