{"id":"https://openalex.org/W2004470589","doi":"https://doi.org/10.1109/iwaenc.2014.6953349","title":"Identification of surface acoustic impedances in a reverberant room using the FDTD method","display_name":"Identification of surface acoustic impedances in a reverberant room using the FDTD method","publication_year":2014,"publication_date":"2014-09-01","ids":{"openalex":"https://openalex.org/W2004470589","doi":"https://doi.org/10.1109/iwaenc.2014.6953349","mag":"2004470589"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwaenc.2014.6953349","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5014576574","display_name":"Niccol\u00f2 Antonello","orcid":"https://orcid.org/0000-0002-0803-5385"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Niccolo Antonello","raw_affiliation_strings":["KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium"],"affiliations":[{"raw_affiliation_string":"KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073284331","display_name":"Toon van Waterschoot","orcid":"https://orcid.org/0000-0002-6323-7350"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Toon van Waterschoot","raw_affiliation_strings":["KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium"],"affiliations":[{"raw_affiliation_string":"KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051849103","display_name":"Marc Moonen","orcid":"https://orcid.org/0000-0003-4461-0073"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Marc Moonen","raw_affiliation_strings":["KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium"],"affiliations":[{"raw_affiliation_string":"KU Leuven, Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Kasteelpark\u00a0Arenberg\u00a010, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"last","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, Dept. of Electrical Engineering, SW7 2AZ, London, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Imperial College London, Dept. of Electrical Engineering, SW7 2AZ, London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.686,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":6,"citation_normalized_percentile":{"value":0.677573,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":82,"max":83},"biblio":{"volume":"19","issue":null,"first_page":"114","last_page":"118"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9996,"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"}},"topics":[{"id":"https://openalex.org/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9996,"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"}},{"id":"https://openalex.org/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9986,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9977,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/acoustic-impedance","display_name":"Acoustic impedance","score":0.44528618}],"concepts":[{"id":"https://openalex.org/C184880428","wikidata":"https://www.wikidata.org/wiki/Q1417308","display_name":"Finite-difference time-domain method","level":2,"score":0.76646525},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.75908816},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.5479245},{"id":"https://openalex.org/C95851461","wikidata":"https://www.wikidata.org/wiki/Q468809","display_name":"Reverberation","level":2,"score":0.54767174},{"id":"https://openalex.org/C98937189","wikidata":"https://www.wikidata.org/wiki/Q975684","display_name":"Acoustic impedance","level":3,"score":0.44528618},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44354606},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.41276753},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2753818},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1896109},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.1760655},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.16736123},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.09348932},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwaenc.2014.6953349","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.67}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":13,"referenced_works":["https://openalex.org/W1513635003","https://openalex.org/W2012306568","https://openalex.org/W2024909341","https://openalex.org/W2067503923","https://openalex.org/W2068407998","https://openalex.org/W2075638035","https://openalex.org/W2096001341","https://openalex.org/W2114702068","https://openalex.org/W2400242171","https://openalex.org/W2615220748","https://openalex.org/W2707124752","https://openalex.org/W4234176119","https://openalex.org/W4293775970"],"related_works":["https://openalex.org/W4384298170","https://openalex.org/W2965679811","https://openalex.org/W2753083495","https://openalex.org/W2566931492","https://openalex.org/W2286779540","https://openalex.org/W2119478278","https://openalex.org/W2067937691","https://openalex.org/W2044904198","https://openalex.org/W2027640951","https://openalex.org/W2009700418"],"abstract_inverted_index":{"In":[0,38],"numerical":[1,75,127],"room":[2,79,103],"acoustic":[3,6,71,113],"simulations":[4],"the":[5,17,43,70,78,112,122,139,146],"impedance":[7],"of":[8,13,23,41,77,101,124],"walls":[9],"and":[10,20,104,144],"boundaries":[11],"is":[12,46,52,80,94,108,129],"fundamental":[14],"importance":[15],"for":[16],"correct":[18],"physical":[19],"perceptual":[21],"synthesis":[22],"a":[24,65,74,98,102,125,134],"sound":[25,44,99],"field.":[26],"Acoustic":[27],"impedances":[28,114],"are":[29],"usually":[30,56],"measured":[31],"in":[32,59],"reverberation":[33],"chambers":[34],"as":[35,131],"absorption":[36],"coefficients.":[37],"this":[39],"type":[40],"measurements":[42,83],"field":[45,100],"assumed":[47],"to":[48,68,96,110,133],"be":[49],"diffuse,":[50],"which":[51],"an":[53,105],"ideal":[54],"condition":[55],"not":[57],"met":[58],"real":[60],"rooms.":[61],"This":[62],"paper":[63],"proposes":[64],"different":[66],"approach":[67],"obtain":[69],"impedances,":[72],"where":[73],"model":[76],"tuned":[81],"with":[82],"using":[84],"nonlinear":[85],"optimization.":[86],"The":[87],"finite":[88],"difference":[89],"time":[90],"domain":[91],"(FDTD)":[92],"method":[93,128],"used":[95],"simulate":[97],"optimization":[106,147],"problem":[107],"solved":[109],"recover":[111],"per":[115],"frequency":[116],"octave":[117],"band.":[118],"Results":[119],"show":[120],"that":[121],"use":[123],"time-domain":[126],"advantageous":[130],"compared":[132],"frequency-domain":[135],"method,":[136],"by":[137],"making":[138],"measurement":[140],"set-up":[141],"more":[142],"practical":[143],"improving":[145],"convergence.":[148]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2004470589","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2025-01-20T19:11:14.537712","created_date":"2016-06-24"}