{"id":"https://openalex.org/W2110913111","doi":"https://doi.org/10.1155/2007/65698","title":"Dereverberation by Using Time-Variant Nature of Speech Production System","display_name":"Dereverberation by Using Time-Variant Nature of Speech Production System","publication_year":2007,"publication_date":"2007-08-06","ids":{"openalex":"https://openalex.org/W2110913111","doi":"https://doi.org/10.1155/2007/65698","mag":"2110913111"},"language":"en","primary_location":{"id":"doi:10.1155/2007/65698","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/65698","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/65698","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/10.1155/2007/65698","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101618071","display_name":"Takuya Yoshioka","orcid":"https://orcid.org/0009-0003-7791-3545"},"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":"Takuya Yoshioka","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]"],"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044202260","display_name":"Takafumi Hikichi","orcid":null},"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":"Takafumi Hikichi","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]"],"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111931228","display_name":"Masato Miyoshi","orcid":null},"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":"Masato Miyoshi","raw_affiliation_strings":["NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]"],"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, NTT Corporation 2-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto, 619-0237, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"[NTT Communication Science Labs., NTT Corporation, Soraku-gun, Kyoto, Japan]","institution_ids":["https://openalex.org/I2251713219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101618071"],"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":4.8599,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.95721607,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2007","issue":"1","first_page":null,"last_page":null},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"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":0.9975000023841858,"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/inverse-filter","display_name":"Inverse filter","score":0.8710907697677612},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7095426321029663},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.6367352604866028},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6219789385795593},{"id":"https://openalex.org/keywords/speech-production","display_name":"Speech production","score":0.5807475447654724},{"id":"https://openalex.org/keywords/lti-system-theory","display_name":"LTI system theory","score":0.5108354091644287},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.5065606832504272},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.4766819477081299},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4340459108352661},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.43283089995384216},{"id":"https://openalex.org/keywords/inverse-system","display_name":"Inverse system","score":0.4301871061325073},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24596992135047913},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.21357396245002747},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06582382321357727}],"concepts":[{"id":"https://openalex.org/C2779948431","wikidata":"https://www.wikidata.org/wiki/Q17092649","display_name":"Inverse filter","level":3,"score":0.8710907697677612},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7095426321029663},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.6367352604866028},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6219789385795593},{"id":"https://openalex.org/C43617652","wikidata":"https://www.wikidata.org/wiki/Q7575399","display_name":"Speech production","level":2,"score":0.5807475447654724},{"id":"https://openalex.org/C87698059","wikidata":"https://www.wikidata.org/wiki/Q1808960","display_name":"LTI system theory","level":3,"score":0.5108354091644287},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.5065606832504272},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.4766819477081299},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4340459108352661},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.43283089995384216},{"id":"https://openalex.org/C122129529","wikidata":"https://www.wikidata.org/wiki/Q2634828","display_name":"Inverse system","level":3,"score":0.4301871061325073},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24596992135047913},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.21357396245002747},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06582382321357727},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2007/65698","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/65698","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/65698","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:doaj.org/article:4f9ab68414f54affa4b60a2913b0b8ac","is_oa":true,"landing_page_url":"https://doaj.org/article/4f9ab68414f54affa4b60a2913b0b8ac","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"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 2007, Iss 1, p 065698 (2007)","raw_type":"article"},{"id":"pmh:oai:doaj.org/article:f2e19c6753d542489e7c5ab5a5e25a7b","is_oa":true,"landing_page_url":"https://doaj.org/article/f2e19c6753d542489e7c5ab5a5e25a7b","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"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 2007 (2007)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2007/65698","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/65698","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/65698","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":[{"score":0.5899999737739563,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2110913111.pdf","grobid_xml":"https://content.openalex.org/works/W2110913111.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W207188544","https://openalex.org/W602819383","https://openalex.org/W1496562625","https://openalex.org/W1534112425","https://openalex.org/W1548802052","https://openalex.org/W1607686159","https://openalex.org/W1808196926","https://openalex.org/W1963866583","https://openalex.org/W1968587283","https://openalex.org/W1997652134","https://openalex.org/W2017443053","https://openalex.org/W2069501481","https://openalex.org/W2081877251","https://openalex.org/W2098410749","https://openalex.org/W2099741732","https://openalex.org/W2100432131","https://openalex.org/W2102072896","https://openalex.org/W2105592556","https://openalex.org/W2110606453","https://openalex.org/W2111512576","https://openalex.org/W2114018052","https://openalex.org/W2124195644","https://openalex.org/W2128653836","https://openalex.org/W2130640611","https://openalex.org/W2134444511","https://openalex.org/W2140866802","https://openalex.org/W2142117481","https://openalex.org/W2603826118","https://openalex.org/W2608486090","https://openalex.org/W2619941915","https://openalex.org/W2970850616","https://openalex.org/W4205778870","https://openalex.org/W4297584681"],"related_works":["https://openalex.org/W2519308303","https://openalex.org/W2032545456","https://openalex.org/W2313556165","https://openalex.org/W2096694731","https://openalex.org/W88405992","https://openalex.org/W2161981385","https://openalex.org/W2766824185","https://openalex.org/W266498968","https://openalex.org/W2154897378","https://openalex.org/W1967798504"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"the":[3,41,49,62,66,75,86,100,111,116,121],"problem":[4],"of":[5,12,43,48,85,110,114],"blind":[6],"speech":[7,19,29,50,87,123],"dereverberation":[8],"by":[9,27,33],"inverse":[10,72,80,102,112],"filtering":[11],"a":[13,18,28,37,44,107],"room":[14,53,67,118],"acoustic":[15,54,68,119],"system.":[16],"Since":[17],"signal":[20,39],"can":[21,90],"be":[22,91],"modeled":[23],"as":[24],"being":[25],"generated":[26],"production":[30,51,88,124],"system":[31,46,69,77,89],"driven":[32],"an":[34],"innovations":[35],"process,":[36],"reverberant":[38],"is":[40],"output":[42],"composite":[45,76],"consisting":[47],"and":[52,120,126],"systems.":[55],"Therefore,":[56],"we":[57,105],"need":[58],"to":[59,65,98],"extract":[60],"only":[61],"part":[63],"corresponding":[64],"(or":[70,78],"its":[71,79],"filter)":[73],"from":[74],"filter).":[81],"The":[82],"time-variant":[83,122],"nature":[84],"exploited":[92],"for":[93],"this":[94],"purpose.":[95],"In":[96],"order":[97],"realize":[99],"time-variance-based":[101],"filter":[103],"estimation,":[104],"introduce":[106],"joint":[108],"estimation":[109,129],"filters":[113],"both":[115],"time-invariant":[117],"systems,":[125],"present":[127],"two":[128],"algorithms":[130],"with":[131],"distinct":[132],"properties.":[133]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}
