{"id":"https://openalex.org/W2060470839","doi":"https://doi.org/10.1109/lsp.2012.2236314","title":"Identification of Active Sources in Single-Channel Convolutive Mixtures Using Known Source Models","display_name":"Identification of Active Sources in Single-Channel Convolutive Mixtures Using Known Source Models","publication_year":2012,"publication_date":"2012-12-24","ids":{"openalex":"https://openalex.org/W2060470839","doi":"https://doi.org/10.1109/lsp.2012.2236314","mag":"2060470839"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2012.2236314","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2236314","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-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/A5041146903","display_name":"Harshavardhan Sundar","orcid":"https://orcid.org/0000-0002-8305-7701"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"H. Sundar","raw_affiliation_strings":["Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore, India","Dept. of Electr. Commun. Eng., Indian Inst. of Sciencece, Bangalore, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electr. Commun. Eng., Indian Inst. of Sciencece, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069425803","display_name":"T.V. Sreenivas","orcid":null},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"T. V. Sreenivas","raw_affiliation_strings":["Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore, India","Dept. of Electr. Commun. Eng., Indian Inst. of Sciencece, Bangalore, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electr. Commun. Eng., Indian Inst. of Sciencece, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068787682","display_name":"Walter Kellermann","orcid":"https://orcid.org/0000-0002-6501-3174"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"W. Kellermann","raw_affiliation_strings":["Chair of Multimedia Communications and Signal Processing, University of Erlangen-Nuremberg, Erlangen, Germany","Dept. of Multimedia Commun. & Signal Process., Univ. of Erlangen-Nuremberg, Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Chair of Multimedia Communications and Signal Processing, University of Erlangen-Nuremberg, Erlangen, Germany","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"Dept. of Multimedia Commun. & Signal Process., Univ. of Erlangen-Nuremberg, Erlangen, Germany","institution_ids":["https://openalex.org/I181369854"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5041146903"],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":0.4955,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.67338429,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"20","issue":"2","first_page":"153","last_page":"156"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9994000196456909,"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":0.9994000196456909,"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/T11309","display_name":"Music and Audio Processing","score":0.9926999807357788,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9445000290870667,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/signal","display_name":"SIGNAL (programming language)","score":0.6887528300285339},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.6865087747573853},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6439553499221802},{"id":"https://openalex.org/keywords/mixture-model","display_name":"Mixture model","score":0.559285581111908},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.5477100014686584},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5451537370681763},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5231945514678955},{"id":"https://openalex.org/keywords/signal-to-interference-ratio","display_name":"Signal-to-interference ratio","score":0.4887099266052246},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.48291704058647156},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.47137176990509033},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4485777020454407},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4292915165424347},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.38333985209465027},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3226877450942993},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.09954831004142761}],"concepts":[{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.6887528300285339},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.6865087747573853},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6439553499221802},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.559285581111908},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.5477100014686584},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5451537370681763},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5231945514678955},{"id":"https://openalex.org/C75613536","wikidata":"https://www.wikidata.org/wiki/Q4138870","display_name":"Signal-to-interference ratio","level":3,"score":0.4887099266052246},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.48291704058647156},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.47137176990509033},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4485777020454407},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4292915165424347},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38333985209465027},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3226877450942993},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.09954831004142761},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lsp.2012.2236314","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2236314","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:eprints.iisc.ac.in:45813","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196309","display_name":"NOT FOUND REPOSITORY (Indian Institute of Science Bangalore)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I59270414","host_organization_name":"Indian Institute of Science Bangalore","host_organization_lineage":["https://openalex.org/I59270414"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7900000214576721,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2049633694","https://openalex.org/W2098571827","https://openalex.org/W2103189252","https://openalex.org/W2112921197","https://openalex.org/W2118718620","https://openalex.org/W2135151673","https://openalex.org/W2137971377","https://openalex.org/W2154587273","https://openalex.org/W2172257986","https://openalex.org/W6676903706","https://openalex.org/W6677759377","https://openalex.org/W6679714990","https://openalex.org/W6682709453"],"related_works":["https://openalex.org/W1509813908","https://openalex.org/W2031820693","https://openalex.org/W2889447638","https://openalex.org/W1910172735","https://openalex.org/W2107364365","https://openalex.org/W2118307209","https://openalex.org/W2107688514","https://openalex.org/W2137288760","https://openalex.org/W3121710301","https://openalex.org/W1785857632"],"abstract_inverted_index":{"We":[0,22,87],"address":[1],"the":[2,6,41,76,79,84,94,97,103,117,121,130,137],"problem":[3],"of":[4,15,40,71,78,96,102,119],"identifying":[5,120],"constituent":[7,122],"sources":[8,47,147],"in":[9,52,112,148],"a":[10,24,33,53,68,113,127,149,163],"single-sensor":[11],"mixture":[12,28,55,63,85,109],"signal":[13,29,56,59,64],"consisting":[14],"contributions":[16],"from":[17,126,158],"multiple":[18],"simultaneously":[19,144],"active":[20,145],"sources.":[21,99],"propose":[23],"generic":[25],"framework":[26],"for":[27,162],"analysis":[30],"based":[31],"on":[32],"latent":[34],"variable":[35],"approach.":[36],"The":[37,100],"basic":[38],"idea":[39],"approach":[42,105,132],"is":[43,65,106,133],"to":[44,135,142,165],"detect":[45],"known":[46,72],"represented":[48],"as":[49,67],"stochastic":[50],"models,":[51],"single-channel":[54],"without":[57],"performing":[58],"separation.":[60],"A":[61],"given":[62],"modeled":[66],"convex":[69],"combination":[70],"source":[73,139],"models":[74,80,156],"and":[75],"weights":[77,92],"are":[81],"estimated":[82],"using":[83,124,155],"signal.":[86],"show":[88],"experimentally":[89],"that":[90],"these":[91],"indicate":[93],"presence/absence":[95],"respective":[98],"performance":[101],"proposed":[104,131],"illustrated":[107],"through":[108],"speech":[110,160],"data":[111,125,161],"reverberant":[114],"enclosure.":[115],"For":[116],"task":[118],"speakers":[123],"single":[128],"microphone,":[129],"able":[134],"identify":[136],"dominant":[138],"with":[140,151],"up":[141],"8":[143],"background":[146],"room":[150],"RT60=":[152],"250":[153],"ms,":[154],"obtained":[157],"clean":[159],"Source":[164],"Interference":[166],"Ratio":[167],"(SIR)":[168],"greater":[169],"than":[170],"2":[171],"dB.":[172]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
