{"id":"https://openalex.org/W4200128910","doi":"https://doi.org/10.1109/waspaa52581.2021.9632751","title":"Spherical Harmonic Decomposition of a Sound Field Based on Microphones Around the Circumference of a Human Head","display_name":"Spherical Harmonic Decomposition of a Sound Field Based on Microphones Around the Circumference of a Human Head","publication_year":2021,"publication_date":"2021-10-17","ids":{"openalex":"https://openalex.org/W4200128910","doi":"https://doi.org/10.1109/waspaa52581.2021.9632751"},"language":"en","primary_location":{"id":"doi:10.1109/waspaa52581.2021.9632751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/waspaa52581.2021.9632751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)","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/A5073135559","display_name":"Jens Ahrens","orcid":"https://orcid.org/0000-0002-1706-3564"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Jens Ahrens","raw_affiliation_strings":["Chalmers University of Technology, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051338974","display_name":"Hannes Helmholz","orcid":"https://orcid.org/0000-0002-3098-9847"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Hannes Helmholz","raw_affiliation_strings":["Chalmers University of Technology, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060129632","display_name":"David Lou Alon","orcid":null},"institutions":[{"id":"https://openalex.org/I4210114444","display_name":"Meta (United States)","ror":"https://ror.org/01zbnvs85","country_code":"US","type":"company","lineage":["https://openalex.org/I4210114444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David Lou Alon","raw_affiliation_strings":["Facebook Reality Labs Research, Facebook, CA"],"affiliations":[{"raw_affiliation_string":"Facebook Reality Labs Research, Facebook, CA","institution_ids":["https://openalex.org/I4210114444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019567426","display_name":"Sebasti\u00e0 V. Amengual Gar\u00ed","orcid":"https://orcid.org/0000-0002-9801-1108"},"institutions":[{"id":"https://openalex.org/I4210114444","display_name":"Meta (United States)","ror":"https://ror.org/01zbnvs85","country_code":"US","type":"company","lineage":["https://openalex.org/I4210114444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sebastia V. Amengual Gari","raw_affiliation_strings":["Facebook Reality Labs Research, Facebook, CA"],"affiliations":[{"raw_affiliation_string":"Facebook Reality Labs Research, Facebook, CA","institution_ids":["https://openalex.org/I4210114444"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5073135559"],"corresponding_institution_ids":["https://openalex.org/I66862912"],"apc_list":null,"apc_paid":null,"fwci":0.9323,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.72450618,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"231","last_page":"235"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9994999766349792,"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":0.9993000030517578,"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/T11692","display_name":"Noise Effects and Management","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/3616","display_name":"Speech and Hearing"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/spherical-harmonics","display_name":"Spherical harmonics","score":0.681342601776123},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.6789608597755432},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.5536679029464722},{"id":"https://openalex.org/keywords/binaural-recording","display_name":"Binaural recording","score":0.5412196516990662},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.45999157428741455},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3353162109851837},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.28454768657684326},{"id":"https://openalex.org/keywords/loudspeaker","display_name":"Loudspeaker","score":0.2367505133152008},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23264843225479126},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10398152470588684}],"concepts":[{"id":"https://openalex.org/C3768446","wikidata":"https://www.wikidata.org/wiki/Q877100","display_name":"Spherical harmonics","level":2,"score":0.681342601776123},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6789608597755432},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.5536679029464722},{"id":"https://openalex.org/C201247586","wikidata":"https://www.wikidata.org/wiki/Q5612967","display_name":"Binaural recording","level":2,"score":0.5412196516990662},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.45999157428741455},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3353162109851837},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.28454768657684326},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.2367505133152008},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23264843225479126},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10398152470588684},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/waspaa52581.2021.9632751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/waspaa52581.2021.9632751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)","raw_type":"proceedings-article"},{"id":"pmh:oai:research.chalmers.se:526960","is_oa":false,"landing_page_url":"https://research.chalmers.se/en/publication/526960","pdf_url":null,"source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""},{"id":"pmh:oai:research.chalmers.se:528491","is_oa":false,"landing_page_url":"https://research.chalmers.se/en/publication/d7222210-aeed-44c8-bebd-641decaa8baf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W130191466","https://openalex.org/W304466378","https://openalex.org/W956981741","https://openalex.org/W1515109179","https://openalex.org/W1587971464","https://openalex.org/W2059053466","https://openalex.org/W2076970798","https://openalex.org/W2086461524","https://openalex.org/W2110403504","https://openalex.org/W2160525176","https://openalex.org/W2539508298","https://openalex.org/W2654615262","https://openalex.org/W2775018543","https://openalex.org/W2985229398","https://openalex.org/W3002963411","https://openalex.org/W3161512266","https://openalex.org/W3191641978","https://openalex.org/W3217481734","https://openalex.org/W4236344233","https://openalex.org/W4250589301","https://openalex.org/W6610702365","https://openalex.org/W6630456326","https://openalex.org/W6739631967"],"related_works":["https://openalex.org/W4283732567","https://openalex.org/W1979944951","https://openalex.org/W2078692259","https://openalex.org/W2035181664","https://openalex.org/W2049810559","https://openalex.org/W2022039170","https://openalex.org/W1979127067","https://openalex.org/W2037537113","https://openalex.org/W4312305451","https://openalex.org/W2066168197"],"abstract_inverted_index":{"We":[0,113],"present":[1,53,114],"a":[2,6,24,45,56,68,89,96,110],"method":[3,28,54,119],"for":[4,35,64,128],"decomposing":[5],"sound":[7,18,39,65,83],"field":[8,19,40,84],"into":[9],"spherical":[10],"harmonics":[11],"(SH)":[12],"based":[13,30,120],"on":[14,31,85,121],"observations":[15,36],"of":[16,23,37,44,71,80,88,95,117,124,131],"the":[17,21,32,38,42,61,77,81,86,106,118],"around":[20],"circumference":[22],"human":[25],"head.":[26],"The":[27,52,100],"is":[29],"analytical":[33],"solution":[34],"along":[41],"equator":[43],"rigid":[46,91],"sphere":[47,92],"that":[48],"we":[49],"presented":[50],"recently.":[51],"incorporates":[55],"calibration":[57,72,107],"stage":[58],"in":[59],"which":[60],"microphone":[62],"signals":[63,127],"sources":[66],"at":[67],"suitable":[69],"set":[70],"positions":[73],"are":[74,103],"projected":[75],"onto":[76],"SH":[78,136],"decomposition":[79],"same":[82],"surface":[87],"notional":[90],"by":[93],"means":[94],"linear":[97],"filtering":[98],"operation.":[99],"filter":[101],"coefficients":[102],"computed":[104],"from":[105],"data":[108],"via":[109],"least-squares":[111],"fit.":[112],"an":[115,129],"evaluation":[116],"binaural":[122],"rendering":[123],"numerically":[125],"simulated":[126],"array":[130],"18":[132],"microphones":[133],"providing":[134],"8th":[135],"order":[137],"to":[138],"demonstrate":[139],"its":[140],"effectiveness.":[141]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
