{"id":"https://openalex.org/W4388755861","doi":"https://doi.org/10.1109/taslp.2023.3328284","title":"Compression of Higher-Order Ambisonic Signals Using Directional Audio Coding","display_name":"Compression of Higher-Order Ambisonic Signals Using Directional Audio Coding","publication_year":2023,"publication_date":"2023-11-17","ids":{"openalex":"https://openalex.org/W4388755861","doi":"https://doi.org/10.1109/taslp.2023.3328284"},"language":"en","primary_location":{"id":"doi:10.1109/taslp.2023.3328284","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2023.3328284","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/6633080/10321662.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/6570655/6633080/10321662.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061205893","display_name":"Christoph Hold","orcid":"https://orcid.org/0000-0001-6579-265X"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Christoph Hold","raw_affiliation_strings":["Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033040947","display_name":"Ville Pulkki","orcid":"https://orcid.org/0000-0003-3460-9677"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Ville Pulkki","raw_affiliation_strings":["Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010846139","display_name":"Archontis Politis","orcid":"https://orcid.org/0000-0002-0595-2356"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Archontis Politis","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033768731","display_name":"Leo McCormack","orcid":"https://orcid.org/0000-0003-2448-4444"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Leo McCormack","raw_affiliation_strings":["Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Acoustics Lab, Department of Information and Communications Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5061205893"],"corresponding_institution_ids":["https://openalex.org/I9927081"],"apc_list":null,"apc_paid":{"value":712,"currency":"EUR","value_usd":767},"fwci":1.7829,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.86286423,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"32","issue":null,"first_page":"651","last_page":"665"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9995999932289124,"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":0.9995999932289124,"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/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9994000196456909,"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ambisonics","display_name":"Ambisonics","score":0.9941716194152832},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.734966516494751},{"id":"https://openalex.org/keywords/sound-quality","display_name":"Sound quality","score":0.6460660696029663},{"id":"https://openalex.org/keywords/codec","display_name":"Codec","score":0.6175797581672668},{"id":"https://openalex.org/keywords/dynamic-range-compression","display_name":"Dynamic range compression","score":0.5391403436660767},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4679625928401947},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4526491165161133},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4392530620098114},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.43683671951293945},{"id":"https://openalex.org/keywords/surround-sound","display_name":"Surround sound","score":0.41635024547576904},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.36068716645240784},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3003290295600891},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2488158941268921},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.217220276594162},{"id":"https://openalex.org/keywords/loudspeaker","display_name":"Loudspeaker","score":0.1752317249774933},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14992523193359375},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.0976615846157074},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.0962158739566803}],"concepts":[{"id":"https://openalex.org/C47726159","wikidata":"https://www.wikidata.org/wiki/Q457547","display_name":"Ambisonics","level":3,"score":0.9941716194152832},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.734966516494751},{"id":"https://openalex.org/C167310288","wikidata":"https://www.wikidata.org/wiki/Q7564808","display_name":"Sound quality","level":2,"score":0.6460660696029663},{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.6175797581672668},{"id":"https://openalex.org/C150178126","wikidata":"https://www.wikidata.org/wiki/Q18433212","display_name":"Dynamic range compression","level":2,"score":0.5391403436660767},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4679625928401947},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4526491165161133},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4392530620098114},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.43683671951293945},{"id":"https://openalex.org/C2780544925","wikidata":"https://www.wikidata.org/wiki/Q569874","display_name":"Surround sound","level":3,"score":0.41635024547576904},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.36068716645240784},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3003290295600891},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2488158941268921},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.217220276594162},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.1752317249774933},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14992523193359375},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0976615846157074},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.0962158739566803},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/taslp.2023.3328284","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2023.3328284","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/6633080/10321662.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/125466","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/8dc7ec8b-6edd-45d6-9be0-d585d80ccc6b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401662","display_name":"Aaltodoc (Aalto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9927081","host_organization_name":"Aalto University","host_organization_lineage":["https://openalex.org/I9927081"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"publishedVersion"},{"id":"pmh:oai:trepo.tuni.fi:10024/207464","is_oa":true,"landing_page_url":"https://trepo.tuni.fi/handle/10024/207464","pdf_url":null,"source":{"id":"https://openalex.org/S7407055260","display_name":"Trepo - Institutional Repository of Tampere University","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/taslp.2023.3328284","is_oa":true,"landing_page_url":"https://doi.org/10.1109/taslp.2023.3328284","pdf_url":"https://ieeexplore.ieee.org/ielx7/6570655/6633080/10321662.pdf","source":{"id":"https://openalex.org/S4210169297","display_name":"IEEE/ACM Transactions on Audio Speech and Language Processing","issn_l":"2329-9290","issn":["2329-9290","2329-9304"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4388755861.pdf","grobid_xml":"https://content.openalex.org/works/W4388755861.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1511723925","https://openalex.org/W1572840328","https://openalex.org/W1583730476","https://openalex.org/W1966815568","https://openalex.org/W1985132689","https://openalex.org/W1991170630","https://openalex.org/W2028075876","https://openalex.org/W2029671051","https://openalex.org/W2077000954","https://openalex.org/W2089473323","https://openalex.org/W2152961470","https://openalex.org/W2164299562","https://openalex.org/W2518885013","https://openalex.org/W2541714600","https://openalex.org/W2592949541","https://openalex.org/W2761044439","https://openalex.org/W2774712265","https://openalex.org/W2892222524","https://openalex.org/W2936088203","https://openalex.org/W2937417041","https://openalex.org/W2943499369","https://openalex.org/W2951122330","https://openalex.org/W2953950894","https://openalex.org/W2962751722","https://openalex.org/W3035790469","https://openalex.org/W3168515913","https://openalex.org/W3215930811","https://openalex.org/W3217252117","https://openalex.org/W4233385860","https://openalex.org/W4240341528","https://openalex.org/W4288966367","https://openalex.org/W6630208109","https://openalex.org/W6630773358","https://openalex.org/W6632898326","https://openalex.org/W6634241109","https://openalex.org/W6634826758","https://openalex.org/W6636324218","https://openalex.org/W6682822620","https://openalex.org/W6726282782","https://openalex.org/W6729017730","https://openalex.org/W6730352180","https://openalex.org/W6763984898","https://openalex.org/W6798587278"],"related_works":["https://openalex.org/W1493864252","https://openalex.org/W75366585","https://openalex.org/W4399587208","https://openalex.org/W2043018619","https://openalex.org/W4317393974","https://openalex.org/W1588050509","https://openalex.org/W1888709116","https://openalex.org/W2785871231","https://openalex.org/W2792033502","https://openalex.org/W4388755861"],"abstract_inverted_index":{"Delivering":[0],"high-quality":[1],"spatial":[2,57],"audio":[3,24,58,82,141],"in":[4,96,103,162],"the":[5,32,38,50,67,88,97,116],"Ambisonics":[6,39],"format":[7],"requires":[8],"extensive":[9],"data":[10],"bandwidth,":[11],"which":[12,74,110],"may":[13,43,111,165],"render":[14],"it":[15],"inaccessible":[16],"for":[17,78,170,175],"many":[18],"low-bandwidth":[19],"applications.":[20,180],"Existing":[21],"widely-available":[22],"multi-channel":[23],"compression":[25,59],"codecs":[26],"are":[27],"not":[28,44],"designed":[29,157],"to":[30,37,48,114,144],"consider":[31],"characteristic":[33],"inter-channel":[34],"relations":[35],"inherent":[36],"format,":[40],"and":[41,108,164],"thus":[42],"leverage":[45],"this":[46,53],"knowledge":[47],"optimise":[49],"compression.":[51],"Therefore,":[52],"article":[54],"proposes":[55],"a":[56,63,91,129,176],"algorithm,":[60],"based":[61],"on":[62],"novel":[64],"reformulation":[65],"of":[66,90,124,128,179],"Higher-Order":[68],"Directional":[69],"Audio":[70],"Coding":[71],"(HO-DirAC)":[72],"method,":[73],"is":[75,155],"specifically":[76],"intended":[77],"compressing":[79,171],"higher-order":[80],"Ambisonic":[81,118,149,172],"streams.":[83],"The":[84,126,152],"methodology":[85],"builds":[86],"upon":[87],"concept":[89],"spherical":[92,98],"filter":[93],"bank":[94],"acting":[95],"harmonic":[99],"domain.":[100],"This":[101],"results":[102,127],"directionally":[104],"constrained":[105],"sound-field":[106],"estimates":[107],"parameterization,":[109],"be":[112,167],"utilized":[113],"reconstruct":[115],"input":[117],"signals":[119],"with":[120,158],"minimal":[121],"perceived":[122],"loss":[123],"quality.":[125],"listening":[130],"experiment":[131],"indicate":[132],"high":[133],"perceptual":[134],"quality":[135],"when":[136],"using":[137],"six":[138],"or":[139],"more":[140],"transport":[142],"channels":[143],"deliver":[145],"fifth-order":[146],"(36":[147],"channels)":[148],"sound":[150,173],"scenes.":[151],"proposed":[153],"formulation":[154],"also":[156],"low":[159],"computational":[160],"complexity":[161],"mind":[163],"therefore":[166],"well":[168],"suited":[169],"scenes":[174],"wide":[177],"range":[178]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}