{"id":"https://openalex.org/W7163579570","doi":"https://doi.org/10.48550/arxiv.2606.04584","title":"SHB-AE: Spherical harmonic beamforming based Ambisonics encoding and upscaling method for smartphone microphone array","display_name":"SHB-AE: Spherical harmonic beamforming based Ambisonics encoding and upscaling method for smartphone microphone array","publication_year":2026,"publication_date":"2026-06-03","ids":{"openalex":"https://openalex.org/W7163579570","doi":"https://doi.org/10.48550/arxiv.2606.04584"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.04584","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.04584","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.04584","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5120786969","display_name":"Yuhuan You","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"You, Yuhuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137864579","display_name":"Yufan Qian","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qian, Yufan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136383039","display_name":"Tianshu Qu","orcid":"https://orcid.org/0009-0009-3784-1501"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qu, Tianshu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137809082","display_name":"Bin Wang","orcid":"https://orcid.org/0009-0005-7756-8440"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Bin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5111331538","display_name":"Xueyang Lv","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lv, Xueyang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.6453999876976013,"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":0.6453999876976013,"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":0.27379998564720154,"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/T11349","display_name":"Music Technology and Sound Studies","score":0.009100000374019146,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/ambisonics","display_name":"Ambisonics","score":0.9973000288009644},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7443000078201294},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.7023000121116638},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.6208999752998352},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.6186000108718872},{"id":"https://openalex.org/keywords/spherical-harmonics","display_name":"Spherical harmonics","score":0.4896000027656555},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.4172999858856201}],"concepts":[{"id":"https://openalex.org/C47726159","wikidata":"https://www.wikidata.org/wiki/Q457547","display_name":"Ambisonics","level":3,"score":0.9973000288009644},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7443000078201294},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.7023000121116638},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6823999881744385},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.6208999752998352},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.6186000108718872},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5188999772071838},{"id":"https://openalex.org/C3768446","wikidata":"https://www.wikidata.org/wiki/Q877100","display_name":"Spherical harmonics","level":2,"score":0.4896000027656555},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.4172999858856201},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.40450000762939453},{"id":"https://openalex.org/C153715457","wikidata":"https://www.wikidata.org/wiki/Q254183","display_name":"Augmented reality","level":2,"score":0.35249999165534973},{"id":"https://openalex.org/C2780544925","wikidata":"https://www.wikidata.org/wiki/Q569874","display_name":"Surround sound","level":3,"score":0.351500004529953},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3368000090122223},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3319000005722046},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3188000023365021},{"id":"https://openalex.org/C126990412","wikidata":"https://www.wikidata.org/wiki/Q203218","display_name":"Spherical coordinate system","level":2,"score":0.3021000027656555},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.2994000017642975},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.28450000286102295},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.28060001134872437},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2750999927520752},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.2703999876976013},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2671999931335449}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.04584","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.04584","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.04584","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.04584","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.40387585759162903,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,98,101,125,134],"rapid":[2],"development":[3],"of":[4,66,92],"virtual":[5],"reality":[6,10],"(VR)":[7],"and":[8,15,35,54,64,106,113,120,129],"augmented":[9],"(AR),":[11],"spatial":[12],"audio":[13],"recording":[14],"reproduction":[16],"have":[17],"gained":[18],"increasing":[19],"research":[20],"interest.":[21],"Higher":[22],"Order":[23],"Ambisonics":[24,78,104,131],"(HOA)":[25],"stands":[26],"out":[27],"for":[28,77,89],"its":[29,36,114],"adaptability":[30],"to":[31,38,133],"various":[32],"playback":[33],"devices":[34,56],"ability":[37],"integrate":[39],"head":[40],"orientation.":[41],"However,":[42],"current":[43],"HOA":[44],"recordings":[45],"often":[46],"rely":[47],"on":[48,97,109],"bulky":[49],"spherical":[50,72,93],"microphone":[51,83],"arrays":[52],"(SMA),":[53],"portable":[55],"like":[57],"smartphones":[58],"are":[59],"limited":[60],"by":[61],"array":[62,84,99],"configuration":[63],"number":[65],"microphones.":[67,142],"We":[68],"propose":[69],"SHB-AE,":[70],"a":[71,81,110],"harmonic":[73,94],"beamforming":[74],"based":[75,96],"method":[76,102,126],"encoding":[79,105],"using":[80],"smartphone":[82],"(SPMA).":[85],"By":[86],"designing":[87],"beamformers":[88],"each":[90],"order":[91,136],"functions":[95],"manifold,":[100],"enables":[103],"up-scaling.":[107],"Validation":[108],"real":[111],"SPMA":[112],"simulated":[115],"free-field":[116],"counterpart":[117],"in":[118],"noisy":[119],"reverberant":[121],"conditions":[122],"showed":[123],"that":[124],"successfully":[127],"encodes":[128],"up-scales":[130],"up":[132],"fourth":[135],"with":[137],"just":[138],"four":[139],"irregularly":[140],"arranged":[141]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-05T00:00:00"}
