{"id":"https://openalex.org/W2151369391","doi":"https://doi.org/10.1109/icassp.2011.5946449","title":"Efficient transform coding of two-channel audio signals by means of complex-valued stereo prediction","display_name":"Efficient transform coding of two-channel audio signals by means of complex-valued stereo prediction","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2151369391","doi":"https://doi.org/10.1109/icassp.2011.5946449","mag":"2151369391"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2011.5946449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5946449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5037018768","display_name":"Christian R. Helmrich","orcid":"https://orcid.org/0000-0001-6606-112X"},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Christian R. Helmrich","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051535848","display_name":"Pontus Carlsson","orcid":null},"institutions":[{"id":"https://openalex.org/I4210093833","display_name":"Dolby (Sweden)","ror":"https://ror.org/00gqs6306","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210093833","https://openalex.org/I4210093996"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Pontus Carlsson","raw_affiliation_strings":["Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden","institution_ids":["https://openalex.org/I4210093833"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034297652","display_name":"Sascha Disch","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sascha Disch","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022331149","display_name":"Bernd Edler","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bernd Edler","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091217250","display_name":"Johannes Hilpert","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Johannes Hilpert","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010164110","display_name":"Matthias Neusinger","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Neusinger","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076983861","display_name":"Heiko Purnhagen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210093833","display_name":"Dolby (Sweden)","ror":"https://ror.org/00gqs6306","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210093833","https://openalex.org/I4210093996"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Heiko Purnhagen","raw_affiliation_strings":["Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden","institution_ids":["https://openalex.org/I4210093833"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002437789","display_name":"Nikolaus Rettelbach","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Nikolaus Rettelbach","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082228953","display_name":"Julien Robilliard","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Julien Robilliard","raw_affiliation_strings":["Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institut \u00fc Integrierte Schaltungen (IIS), Am Wolfsmantel 33, 91058 Erlangen, Germany","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030554103","display_name":"Lars Villemoes","orcid":"https://orcid.org/0009-0006-3011-5476"},"institutions":[{"id":"https://openalex.org/I4210093833","display_name":"Dolby (Sweden)","ror":"https://ror.org/00gqs6306","country_code":"SE","type":"company","lineage":["https://openalex.org/I4210093833","https://openalex.org/I4210093996"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Lars Villemoes","raw_affiliation_strings":["Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"Dolby Sweden AB, G\u00e4vlegatan 12A, 113 30 Stockholm, Sweden","institution_ids":["https://openalex.org/I4210093833"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5037018768"],"corresponding_institution_ids":["https://openalex.org/I4210124274"],"apc_list":null,"apc_paid":null,"fwci":1.5454,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.86355306,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"497","last_page":"500"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9986000061035156,"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"}},"topics":[{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9986000061035156,"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"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9980000257492065,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9975000023841858,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/codec","display_name":"Codec","score":0.7720837593078613},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.756177544593811},{"id":"https://openalex.org/keywords/sub-band-coding","display_name":"Sub-band coding","score":0.6774031519889832},{"id":"https://openalex.org/keywords/stereophonic-sound","display_name":"Stereophonic sound","score":0.6702114939689636},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6389910578727722},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.6305012106895447},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5725582242012024},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.4434038996696472},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40737900137901306},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.36709898710250854},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3635983467102051},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13952812552452087},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1384454071521759},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.09755739569664001}],"concepts":[{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.7720837593078613},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.756177544593811},{"id":"https://openalex.org/C98526533","wikidata":"https://www.wikidata.org/wiki/Q1691938","display_name":"Sub-band coding","level":3,"score":0.6774031519889832},{"id":"https://openalex.org/C140631703","wikidata":"https://www.wikidata.org/wiki/Q34678","display_name":"Stereophonic sound","level":3,"score":0.6702114939689636},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6389910578727722},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.6305012106895447},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5725582242012024},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.4434038996696472},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40737900137901306},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.36709898710250854},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3635983467102051},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13952812552452087},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1384454071521759},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.09755739569664001},{"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2011.5946449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5946449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:publica.fraunhofer.de:publica/371964","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/371964","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1550479430","https://openalex.org/W1604949508","https://openalex.org/W1975753575","https://openalex.org/W2091248202","https://openalex.org/W2106164298","https://openalex.org/W2109344864","https://openalex.org/W2117047639","https://openalex.org/W2131068852","https://openalex.org/W2243241196","https://openalex.org/W6633123850","https://openalex.org/W6636286660","https://openalex.org/W6690175406"],"related_works":["https://openalex.org/W2374470469","https://openalex.org/W2352448339","https://openalex.org/W2787189739","https://openalex.org/W2110375858","https://openalex.org/W1514833977","https://openalex.org/W2363660481","https://openalex.org/W2158434271","https://openalex.org/W1988148562","https://openalex.org/W1967066785","https://openalex.org/W2120611566"],"abstract_inverted_index":{"Traditional":[0],"MDCT-based":[1],"perceptual":[2],"audio":[3,108],"coding":[4,16,31,62,123],"schemes":[5],"employ":[6],"mid/side":[7,61],"and":[8,107,125],"intensity":[9],"stereo":[10,35,115],"techniques":[11],"to":[12,59],"allow":[13],"efficient":[14,85],"joint":[15],"of":[17,21,99,103],"the":[18,49,60,71,97,100,104,113],"two":[19],"channels":[20],"a":[22,42,83],"stereophonic":[23],"signal.":[24],"These":[25],"techniques,":[26],"however,":[27],"provide":[28],"only":[29],"little":[30],"gain":[32],"for":[33,137],"critical":[34,138],"signals":[36],"characterized":[37],"by":[38],"spectral":[39,73],"components":[40],"with":[41],"distinct":[43],"level":[44],"or":[45],"phase":[46],"difference":[47],"between":[48],"channels.":[50],"To":[51],"overcome":[52],"this":[53],"deficiency,":[54],"we":[55],"propose":[56],"an":[57],"extension":[58],"paradigm":[63],"that":[64,112,127],"utilizes":[65],"complex-valued":[66],"inter-channel":[67],"linear":[68],"prediction":[69,116],"in":[70,82,96,122],"MDCT":[72],"domain.":[74],"The":[75],"required":[76],"imaginary":[77],"spectrum":[78],"(MDST)":[79],"is":[80],"calculated":[81],"computationally":[84],"manner":[86],"without":[87],"additional":[88],"algorithmic":[89],"delay.":[90],"A":[91],"formal":[92],"listening":[93],"test":[94],"conducted":[95],"course":[98],"ISO/MPEG":[101],"standardization":[102],"unified":[105],"speech":[106],"codec":[109],"USAC":[110],"illustrates":[111],"proposed":[114],"approach":[117],"pro":[118],"vides":[119],"significant":[120],"improvements":[121],"efficiency":[124],"shows":[126],"at":[128],"96":[129],"kb/s,":[130],"excellent":[131],"quality":[132],"can":[133],"be":[134],"obtained":[135],"even":[136],"signals.":[139]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}