{"id":"https://openalex.org/W2040760228","doi":"https://doi.org/10.1109/mmsp.2007.4412817","title":"Sound Source Localization by Asymmetrically Arrayed 2ch Microphones on a Sphere","display_name":"Sound Source Localization by Asymmetrically Arrayed 2ch Microphones on a Sphere","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2040760228","doi":"https://doi.org/10.1109/mmsp.2007.4412817","mag":"2040760228"},"language":"en","primary_location":{"id":"doi:10.1109/mmsp.2007.4412817","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp.2007.4412817","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 9th Workshop on Multimedia Signal Processing","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/A5056281759","display_name":"Nobutaka Ono","orcid":"https://orcid.org/0000-0003-4242-2773"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobutaka Ono","raw_affiliation_strings":["Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","University of Tokyo, Tokyo,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"University of Tokyo, Tokyo,","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081266365","display_name":"Soichiro Fukamachi","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Soichiro Fukamachi","raw_affiliation_strings":["Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","University of Tokyo, Tokyo,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"University of Tokyo, Tokyo,","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100814456","display_name":"Takuya Nishimoto","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takuya Nishimoto","raw_affiliation_strings":["Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","University of Tokyo, Tokyo,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"University of Tokyo, Tokyo,","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003450550","display_name":"Shigeki Sagayama","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeki Sagayama","raw_affiliation_strings":["Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","University of Tokyo, Tokyo,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"University of Tokyo, Tokyo,","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":0.3253,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.5762812,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"j87 d ii","issue":null,"first_page":"56","last_page":"59"},"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":0.9976000189781189,"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":0.9961000084877014,"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/reverberation","display_name":"Reverberation","score":0.9077877998352051},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.7570891380310059},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.7208257913589478},{"id":"https://openalex.org/keywords/diffraction","display_name":"Diffraction","score":0.6197461485862732},{"id":"https://openalex.org/keywords/acoustic-source-localization","display_name":"Acoustic source localization","score":0.5565807819366455},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5368407964706421},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5365199446678162},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.48853763937950134},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4860963821411133},{"id":"https://openalex.org/keywords/ambient-noise-level","display_name":"Ambient noise level","score":0.46367359161376953},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3660051226615906},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.2986665368080139},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19842582941055298},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12556922435760498},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.10357773303985596}],"concepts":[{"id":"https://openalex.org/C95851461","wikidata":"https://www.wikidata.org/wiki/Q468809","display_name":"Reverberation","level":2,"score":0.9077877998352051},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.7570891380310059},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.7208257913589478},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.6197461485862732},{"id":"https://openalex.org/C93240960","wikidata":"https://www.wikidata.org/wiki/Q217270","display_name":"Acoustic source localization","level":3,"score":0.5565807819366455},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5368407964706421},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5365199446678162},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.48853763937950134},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4860963821411133},{"id":"https://openalex.org/C205312793","wikidata":"https://www.wikidata.org/wiki/Q16002801","display_name":"Ambient noise level","level":3,"score":0.46367359161376953},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3660051226615906},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.2986665368080139},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19842582941055298},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12556922435760498},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.10357773303985596},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mmsp.2007.4412817","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp.2007.4412817","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 9th Workshop on Multimedia Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W127703622","https://openalex.org/W1987906574","https://openalex.org/W1989058011","https://openalex.org/W2014121075","https://openalex.org/W2043541848","https://openalex.org/W2121268391","https://openalex.org/W2146159615","https://openalex.org/W2149693148","https://openalex.org/W2167546860","https://openalex.org/W2505069066","https://openalex.org/W4249052411","https://openalex.org/W6815449915"],"related_works":["https://openalex.org/W1562475690","https://openalex.org/W1488529827","https://openalex.org/W4389082013","https://openalex.org/W1879255185","https://openalex.org/W2037659933","https://openalex.org/W2120442551","https://openalex.org/W2769861442","https://openalex.org/W1980506188","https://openalex.org/W2900122540","https://openalex.org/W4240587264"],"abstract_inverted_index":{"In":[0,21],"this":[1],"paper,":[2],"we":[3,83,108],"propose":[4],"a":[5,10,31,95,100,104],"novel":[6],"system":[7,106],"to":[8,68],"localize":[9],"sound":[11],"source":[12],"in":[13,124],"any":[14],"2D":[15],"directions":[16],"using":[17],"only":[18],"two":[19,25],"microphones.":[20],"our":[22],"system,":[23,61],"the":[24,35,38,41,45,48,52,58,69,73,85,90,111,114],"microphones":[26,46],"are":[27,65],"asymmetrically":[28],"placed":[29],"on":[30,99],"sphere,":[32],"thus,":[33],"(1)":[34],"diffraction":[36],"by":[37],"sphere":[39,74],"and":[40,55,120],"asymmetrical":[42],"arrangement":[43,117],"of":[44,72,89,92,113],"yield":[47],"localization":[49],"cue":[50],"including":[51],"front-back":[53],"judgment,":[54],"(2)":[56],"unlike":[57],"dummy":[59],"head":[60],"no":[62],"previous":[63],"measurements":[64],"necessary":[66],"due":[67],"analytical":[70],"representation":[71],"diffraction.":[75],"To":[76],"deal":[77],"with":[78,94],"reverberation":[79],"or":[80],"ambient":[81],"noises,":[82],"consider":[84],"maximum":[86],"likelihood":[87],"estimation":[88],"direction":[91],"arrival":[93],"diffused":[96],"noise":[97],"model":[98],"sphere.":[101],"We":[102],"present":[103],"real":[105,125],"that":[107],"built":[109],"through":[110],"investigation":[112],"optimal":[115],"microphone":[116],"for":[118],"speech,":[119],"give":[121],"experimental":[122],"results":[123],"environment.":[126]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}