{"id":"https://openalex.org/W2108024481","doi":"https://doi.org/10.1109/sips.2007.4387609","title":"Application of Unimodular Filterbanks for Audio Coding","display_name":"Application of Unimodular Filterbanks for Audio Coding","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2108024481","doi":"https://doi.org/10.1109/sips.2007.4387609","mag":"2108024481"},"language":"en","primary_location":{"id":"doi:10.1109/sips.2007.4387609","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387609","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Workshop on Signal Processing Systems","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/A5068741204","display_name":"Asha Vijayakumar","orcid":null},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Asha Vijayakumar","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India","Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India, email : ec04p002@nitc.ac.in"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India, email : ec04p002@nitc.ac.in","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034621315","display_name":"G. Abhilash","orcid":"https://orcid.org/0000-0002-9365-4403"},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"G. Abhilash","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India","Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India, email : abhilash@nitc.ac.in"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, India, email : abhilash@nitc.ac.in","institution_ids":["https://openalex.org/I114845381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5068741204"],"corresponding_institution_ids":["https://openalex.org/I114845381"],"apc_list":null,"apc_paid":null,"fwci":0.3246,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.63100987,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"54","issue":null,"first_page":"556","last_page":"561"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9998000264167786,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9998000264167786,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9998000264167786,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9997000098228455,"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/unimodular-matrix","display_name":"Unimodular matrix","score":0.7435638904571533},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6202806830406189},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5842667818069458},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5695052146911621},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5524001121520996},{"id":"https://openalex.org/keywords/sub-band-coding","display_name":"Sub-band coding","score":0.4822181463241577},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.39734727144241333},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3859790861606598},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28900569677352905}],"concepts":[{"id":"https://openalex.org/C201958917","wikidata":"https://www.wikidata.org/wiki/Q1367055","display_name":"Unimodular matrix","level":2,"score":0.7435638904571533},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6202806830406189},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5842667818069458},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5695052146911621},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5524001121520996},{"id":"https://openalex.org/C98526533","wikidata":"https://www.wikidata.org/wiki/Q1691938","display_name":"Sub-band coding","level":3,"score":0.4822181463241577},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.39734727144241333},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3859790861606598},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28900569677352905},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sips.2007.4387609","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387609","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Workshop on Signal Processing Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1481646516","https://openalex.org/W1490366974","https://openalex.org/W1525243411","https://openalex.org/W1546509353","https://openalex.org/W1824561602","https://openalex.org/W1912004869","https://openalex.org/W2048916503","https://openalex.org/W2096351636","https://openalex.org/W2106305101","https://openalex.org/W2126144689","https://openalex.org/W2148447677","https://openalex.org/W2152297087","https://openalex.org/W2163324071","https://openalex.org/W2186435531","https://openalex.org/W3139754459","https://openalex.org/W4229951323","https://openalex.org/W6638543135","https://openalex.org/W6639819569"],"related_works":["https://openalex.org/W2158434271","https://openalex.org/W2118305611","https://openalex.org/W1901617521","https://openalex.org/W1857623347","https://openalex.org/W2744599249","https://openalex.org/W1568040281","https://openalex.org/W1498164178","https://openalex.org/W2109477680","https://openalex.org/W2336887028","https://openalex.org/W1506287523"],"abstract_inverted_index":{"This":[0,47],"paper":[1],"contains":[2],"the":[3,30,43,50,55,61,103,117,150,155],"application":[4],"of":[5,35,45,52,57,66,99,108,120,149],"Unimodular":[6],"Filterbanks":[7],"(UMFBs)":[8],"based":[9],"on":[10],"two":[11],"new":[12],"structures":[13,92],"for":[14,23,79,87,135],"audio":[15,24],"coding.":[16],"Two":[17],"key":[18],"properties":[19],"make":[20],"UMFBs":[21],"ideal":[22],"coding":[25],"applications.":[26],"Firstly,":[27],"they":[28],"have":[29,142],"lowest":[31],"possible":[32],"system":[33],"delay":[34,101],"M":[36,41],"_":[37],"1":[38],"samples,":[39],"where":[40],"is":[42,111],"number":[44,107],"channels.":[46],"property":[48],"resolves":[49],"problem":[51],"pre-echoes.":[53],"Secondly,":[54],"presence":[56],"nilpotent":[58],"matrix":[59],"in":[60,102],"structure":[62],"furnishes":[63],"unequal":[64],"lengths":[65],"analysis":[67,77],"and":[68,83,97,116,137],"synthesis":[69,85],"filters":[70,78,86],"to":[71,73],"adapt":[72],"perceptual":[74],"limits;":[75],"long":[76],"good":[80],"frequency":[81],"selectivity":[82],"short":[84],"noise":[88,152],"reduction.":[89],"The":[90,106,128],"proposed":[91,156],"ensure":[93],"perfect":[94],"reconstruction":[95],"(PR)":[96],"are":[98],"minimum":[100],"McMillan":[104],"sense.":[105],"free":[109],"parameters":[110,121],"as":[112,114],"low":[113,129],"2M":[115],"optimal":[118],"set":[119],"can":[122],"be":[123],"obtained":[124],"with":[125,154],"unconstrained":[126],"optimization.":[127],"computational":[130],"overhead":[131],"makes":[132],"it":[133],"suitable":[134],"simple":[136],"efficient":[138],"hardware":[139],"implementation.":[140],"We":[141],"also":[143],"carried":[144],"out":[145],"a":[146],"brief":[147],"study":[148],"quantization":[151],"shaping":[153],"structures.":[157]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
