{"id":"https://openalex.org/W7107874065","doi":"https://doi.org/10.1109/apsipaasc65261.2025.11249230","title":"Ramdc: Room-Aware Multi-Device Clustering for Large Scale Teleconferencing","display_name":"Ramdc: Room-Aware Multi-Device Clustering for Large Scale Teleconferencing","publication_year":2025,"publication_date":"2025-10-22","ids":{"openalex":"https://openalex.org/W7107874065","doi":"https://doi.org/10.1109/apsipaasc65261.2025.11249230"},"language":"en","primary_location":{"id":"doi:10.1109/apsipaasc65261.2025.11249230","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apsipaasc65261.2025.11249230","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)","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":null,"display_name":"Yile Angela Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yile Angela Zhang","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Wei-Ting Lai","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wei-Ting Lai","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Amy Bastine","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Amy Bastine","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xingyu Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xingyu Chen","raw_affiliation_strings":["University of Technology Sydney,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Technology Sydney,Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Lachlan I. Birnie","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Lachlan I. Birnie","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Thushara D. Abhayapala","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Thushara D. Abhayapala","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"last","author":{"id":null,"display_name":"Prasanga N. Samarasinghe","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Prasanga N. Samarasinghe","raw_affiliation_strings":["The Australian National University,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Australian National University,Australia","institution_ids":["https://openalex.org/I118347636"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.51619346,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"447","last_page":"452"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.3686000108718872,"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":0.3686000108718872,"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":0.0723000019788742,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.04969999939203262,"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/cluster-analysis","display_name":"Cluster analysis","score":0.791100025177002},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.6897000074386597},{"id":"https://openalex.org/keywords/joins","display_name":"Joins","score":0.5855000019073486},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.5144000053405762},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.5138999819755554},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5062000155448914},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.4668999910354614},{"id":"https://openalex.org/keywords/dbscan","display_name":"DBSCAN","score":0.41440001130104065}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.791100025177002},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7599999904632568},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.6897000074386597},{"id":"https://openalex.org/C2778692605","wikidata":"https://www.wikidata.org/wiki/Q4041866","display_name":"Joins","level":2,"score":0.5855000019073486},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.5144000053405762},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.5138999819755554},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5062000155448914},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4668999910354614},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46070000529289246},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4271000027656555},{"id":"https://openalex.org/C46576248","wikidata":"https://www.wikidata.org/wiki/Q1114630","display_name":"DBSCAN","level":5,"score":0.41440001130104065},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4129999876022339},{"id":"https://openalex.org/C8038995","wikidata":"https://www.wikidata.org/wiki/Q1152135","display_name":"Unsupervised learning","level":2,"score":0.39890000224113464},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.3449999988079071},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.31769999861717224},{"id":"https://openalex.org/C2777211547","wikidata":"https://www.wikidata.org/wiki/Q17141490","display_name":"Training (meteorology)","level":2,"score":0.28999999165534973},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2854999899864197},{"id":"https://openalex.org/C126669455","wikidata":"https://www.wikidata.org/wiki/Q1630941","display_name":"Teleconference","level":2,"score":0.2833999991416931},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.2727999985218048},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.2565999925136566},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.25380000472068787}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/apsipaasc65261.2025.11249230","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apsipaasc65261.2025.11249230","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)","raw_type":"proceedings-article"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/733811978","is_oa":false,"landing_page_url":"https://hdl.handle.net/1885/733811978","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.787275493144989,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W48610814","https://openalex.org/W1966976522","https://openalex.org/W1973524311","https://openalex.org/W2032676419","https://openalex.org/W2079751837","https://openalex.org/W2096733369","https://openalex.org/W2113054345","https://openalex.org/W2150492334","https://openalex.org/W2155132743","https://openalex.org/W2161752502","https://openalex.org/W2219941891","https://openalex.org/W2601243251","https://openalex.org/W2740924709","https://openalex.org/W2902557749","https://openalex.org/W2963460816","https://openalex.org/W3015915930","https://openalex.org/W3094832886","https://openalex.org/W3097777922","https://openalex.org/W4225327835","https://openalex.org/W4285820097","https://openalex.org/W4311592150","https://openalex.org/W4383759369","https://openalex.org/W4388505361","https://openalex.org/W4392903308","https://openalex.org/W4399379205","https://openalex.org/W4400722471","https://openalex.org/W4402111502","https://openalex.org/W4403126598"],"related_works":[],"abstract_inverted_index":{"In":[0],"large-scale":[1],"teleconferencing,":[2],"many":[3],"devices":[4,93],"can":[5,24,95],"share":[6],"the":[7,44,59,102,109],"same":[8],"physical":[9],"room":[10,80],"even":[11,115],"though":[12],"each":[13,87],"one":[14],"joins":[15],"as":[16],"an":[17,39],"independent":[18],"participant.":[19],"The":[20,82],"resulting":[21,83],"loudspeaker-microphone":[22],"couplings":[23],"cause":[25],"cross-device":[26,97],"acoustic":[27],"echo.":[28],"To":[29],"mitigate":[30],"this":[31],"issue,":[32],"we":[33],"introduce":[34],"Room-Aware":[35],"Multi-Device":[36],"Clustering":[37],"(RAMDC),":[38],"unsupervised":[40],"initialization":[41],"step":[42],"at":[43],"start":[45],"of":[46],"a":[47,55,70],"teleconference.":[48],"During":[49],"initialization,":[50],"every":[51],"device":[52,88],"simultaneously":[53],"plays":[54],"short":[56],"chirp,":[57],"and":[58,74,112],"aggregate":[60],"responses":[61],"are":[62],"transformed":[63],"into":[64],"energy":[65],"decay":[66],"curves,":[67],"embedded":[68],"by":[69],"lightweight":[71],"Conformer":[72],"encoder,":[73],"clustered":[75],"with":[76],"DBSCAN":[77],"to":[78],"infer":[79],"membership.":[81],"cluster":[84],"labels":[85],"let":[86],"mute":[89],"streams":[90],"from":[91],"co-located":[92],"which":[94],"remove":[96],"feedback":[98],"paths.":[99],"Evaluated":[100],"on":[101],"GTU-RIR":[103],"dataset,":[104],"RAMDC":[105],"outperforms":[106],"alternatives":[107],"in":[108,116],"clustering":[110],"accuracy,":[111],"remains":[113],"robust":[114],"unseen":[117],"rooms.":[118]},"counts_by_year":[],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-11-28T00:00:00"}