{"id":"https://openalex.org/W2112616324","doi":"https://doi.org/10.1109/csie.2009.664","title":"Enhanced Class-Dependent Classification of Audio Signals","display_name":"Enhanced Class-Dependent Classification of Audio Signals","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2112616324","doi":"https://doi.org/10.1109/csie.2009.664","mag":"2112616324"},"language":"en","primary_location":{"id":"doi:10.1109/csie.2009.664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csie.2009.664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 WRI World Congress on Computer Science and Information Engineering","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/A5100721159","display_name":"Nina Zhou","orcid":"https://orcid.org/0000-0002-1649-3458"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Zhou Nina","raw_affiliation_strings":["Center of Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Center of Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113686034","display_name":"Wee Ser","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Ser Wee","raw_affiliation_strings":["Center of Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Center of Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103543330","display_name":"Yu Zhuliang","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yu Zhuliang","raw_affiliation_strings":["Center of Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Center of Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102145744","display_name":"Jufeng Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yu Jufeng","raw_affiliation_strings":["Center of Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Center of Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":null,"display_name":"Chen Huawei","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chen Huawei","raw_affiliation_strings":["Center of Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Center of Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100721159"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.14588859,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"14","issue":null,"first_page":"100","last_page":"104"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9997000098228455,"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/T11309","display_name":"Music and Audio Processing","score":0.9997000098228455,"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/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/computer-science","display_name":"Computer science","score":0.7776187658309937},{"id":"https://openalex.org/keywords/audio-mining","display_name":"Audio mining","score":0.6614913940429688},{"id":"https://openalex.org/keywords/audio-signal","display_name":"Audio signal","score":0.6369580030441284},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5848010778427124},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5826378464698792},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5746766328811646},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5664532780647278},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5532221794128418},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5247511863708496},{"id":"https://openalex.org/keywords/audio-signal-processing","display_name":"Audio signal processing","score":0.4982757568359375},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.46064263582229614},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.43311139941215515},{"id":"https://openalex.org/keywords/feature-selection","display_name":"Feature selection","score":0.4323950409889221},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.3583199381828308},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.31268227100372314},{"id":"https://openalex.org/keywords/acoustic-model","display_name":"Acoustic model","score":0.2975189983844757}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7776187658309937},{"id":"https://openalex.org/C157968479","wikidata":"https://www.wikidata.org/wiki/Q3079876","display_name":"Audio mining","level":4,"score":0.6614913940429688},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.6369580030441284},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5848010778427124},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5826378464698792},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5746766328811646},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5664532780647278},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5532221794128418},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5247511863708496},{"id":"https://openalex.org/C127220857","wikidata":"https://www.wikidata.org/wiki/Q2719318","display_name":"Audio signal processing","level":4,"score":0.4982757568359375},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.46064263582229614},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.43311139941215515},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.4323950409889221},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.3583199381828308},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.31268227100372314},{"id":"https://openalex.org/C155635449","wikidata":"https://www.wikidata.org/wiki/Q4674699","display_name":"Acoustic model","level":3,"score":0.2975189983844757}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/csie.2009.664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csie.2009.664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 WRI World Congress on Computer Science and Information Engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","score":0.6100000143051147,"id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1560013842","https://openalex.org/W1587362683","https://openalex.org/W1630162643","https://openalex.org/W1852884090","https://openalex.org/W1996160964","https://openalex.org/W2100383651","https://openalex.org/W2106633333","https://openalex.org/W2111904301","https://openalex.org/W2154221499","https://openalex.org/W2168441989","https://openalex.org/W2312695630","https://openalex.org/W2395157499","https://openalex.org/W2465080433","https://openalex.org/W2784556370","https://openalex.org/W2983885176","https://openalex.org/W4309573029","https://openalex.org/W6676794877"],"related_works":["https://openalex.org/W1546240199","https://openalex.org/W3159882232","https://openalex.org/W46679383","https://openalex.org/W1611900921","https://openalex.org/W4241650944","https://openalex.org/W4292261062","https://openalex.org/W642007152","https://openalex.org/W1620668332","https://openalex.org/W2156141367","https://openalex.org/W2330401929"],"abstract_inverted_index":{"The":[0,145],"process":[1],"of":[2,10,17,72,81,91,130,170],"audio":[3,39,48,73,82,132,171],"signal":[4],"classification":[5,96,211],"(ASC)":[6],"involves":[7],"the":[8,15,22,76,89,104,131,142,158,176,194,207],"extraction":[9],"features":[11,19,54,201],"from":[12],"sound":[13,177],"and":[14,42,59,95,166,175,202],"use":[16],"these":[18],"to":[20,120,189,205],"identify":[21],"class":[23,116],"it":[24],"belongs":[25],"to.":[26],"There":[27],"are":[28,65],"many":[29],"possible":[30],"applications":[31],"for":[32,35,61,69,127],"ASC":[33,197],"including":[34],"example":[36],"speech":[37,62,165],"recognition,":[38],"database":[40],"creation":[41],"information":[43],"retrieval,":[44],"health":[45],"condition":[46],"monitoring,":[47],"scene":[49],"analysis,":[50],"etc.":[51],"While":[52],"relevant":[53,124],"have":[55,84,161],"been":[56,162],"well":[57],"studied":[58,68],"identified":[60],"signals,":[63],"they":[64],"relatively":[66],"less":[67],"other":[70,168],"types":[71,169],"signals.":[74,133],"Considering":[75],"fact":[77],"that":[78],"different":[79],"classes":[80],"signals":[83],"their":[85],"own":[86],"unique":[87],"characteristics,":[88],"idea":[90],"class-dependent":[92,108,196],"feature":[93,125],"selection":[94],"is":[97,138,154,203],"examined":[98],"in":[99],"this":[100],"paper.":[101],"In":[102],"particular,":[103],"paper":[105],"uses":[106],"a":[107,112,122,180,183],"method":[109,198],"based":[110,115],"on":[111,164],"proposed":[113,143,195],"scatter-matrix":[114],"separability":[117],"ranking":[118],"measure":[119],"select":[121],"highly":[123],"subset":[126],"each":[128],"type":[129],"An":[134],"effective":[135],"training":[136],"model":[137],"also":[139],"incorporated":[140],"into":[141],"method.":[144],"support":[146],"vector":[147],"machine":[148],"with":[149],"radial":[150],"basis":[151],"function":[152],"kernel":[153],"then":[155],"used":[156],"as":[157],"classifier.":[159],"Experiments":[160],"conducted":[163],"two":[167],"sounds,":[172],"i.e.,":[173],"coughing":[174],"generated":[178],"when":[179],"cup":[181],"touches":[182],"plate":[184],"or":[185,209],"vice":[186],"versa.":[187],"Compared":[188],"some":[190],"recently":[191],"published":[192],"methods,":[193],"requires":[199],"fewer":[200],"able":[204],"achieve":[206],"same":[208],"better":[210],"accuracy.":[212]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}