{"id":"https://openalex.org/W2144203901","doi":"https://doi.org/10.1109/tasl.2011.2156785","title":"A DCT-Based Speech Enhancement System With Pitch Synchronous Analysis","display_name":"A DCT-Based Speech Enhancement System With Pitch Synchronous Analysis","publication_year":2011,"publication_date":"2011-05-20","ids":{"openalex":"https://openalex.org/W2144203901","doi":"https://doi.org/10.1109/tasl.2011.2156785","mag":"2144203901"},"language":"en","primary_location":{"id":"doi:10.1109/tasl.2011.2156785","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tasl.2011.2156785","pdf_url":null,"source":{"id":"https://openalex.org/S199497470","display_name":"IEEE Transactions on Audio Speech and Language Processing","issn_l":"1558-7916","issn":["1558-7916","1558-7924"],"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":"IEEE Transactions on Audio, Speech, and Language Processing","raw_type":"journal-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/A5066886714","display_name":"Huijun Ding","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":"Huijun Ding","raw_affiliation_strings":["Media Tech. Lab., Nanyang Technogical University, Singapore","Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Media Tech. Lab., Nanyang Technogical University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, , Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111739626","display_name":"Ing Yann Soon","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":"Ing Yann Soon","raw_affiliation_strings":["School of EEE, Nanyang Technogical University, Singapore","Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of EEE, Nanyang Technogical University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, , Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006146465","display_name":"Chai Kiat Yeo","orcid":"https://orcid.org/0000-0002-7618-1472"},"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":"Chai Kiat Yeo","raw_affiliation_strings":["School of CE, Nanyang Technogical University, Singapore","Sch. of Comput. Eng., Nanyang Technol. Univ., Singapore, , Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of CE, Nanyang Technogical University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Sch. of Comput. Eng., Nanyang Technol. Univ., Singapore, , Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":3.0735,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.92375017,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"19","issue":"8","first_page":"2614","last_page":"2623"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"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":1.0,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9995999932289124,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9944000244140625,"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/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.8906398415565491},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.7180042266845703},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5716007947921753},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5047382116317749},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.5028635859489441},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5023105144500732},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.47132638096809387},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"Discrete Fourier transform (general)","score":0.45258602499961853},{"id":"https://openalex.org/keywords/modified-discrete-cosine-transform","display_name":"Modified discrete cosine transform","score":0.4477508068084717},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4365385174751282},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.43321067094802856},{"id":"https://openalex.org/keywords/wiener-filter","display_name":"Wiener filter","score":0.42311254143714905},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.41273078322410583},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.36879611015319824},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.33284175395965576},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.3281380534172058},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.2694404721260071},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.25578004121780396},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16842758655548096},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.1181919276714325},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.106421560049057},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.09664356708526611}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.8906398415565491},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.7180042266845703},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5716007947921753},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5047382116317749},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.5028635859489441},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5023105144500732},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.47132638096809387},{"id":"https://openalex.org/C57733114","wikidata":"https://www.wikidata.org/wiki/Q1006032","display_name":"Discrete Fourier transform (general)","level":5,"score":0.45258602499961853},{"id":"https://openalex.org/C28726691","wikidata":"https://www.wikidata.org/wiki/Q1268231","display_name":"Modified discrete cosine transform","level":5,"score":0.4477508068084717},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4365385174751282},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.43321067094802856},{"id":"https://openalex.org/C18537770","wikidata":"https://www.wikidata.org/wiki/Q25523","display_name":"Wiener filter","level":2,"score":0.42311254143714905},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.41273078322410583},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36879611015319824},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.33284175395965576},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.3281380534172058},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.2694404721260071},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.25578004121780396},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16842758655548096},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.1181919276714325},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.106421560049057},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.09664356708526611},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tasl.2011.2156785","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tasl.2011.2156785","pdf_url":null,"source":{"id":"https://openalex.org/S199497470","display_name":"IEEE Transactions on Audio Speech and Language Processing","issn_l":"1558-7916","issn":["1558-7916","1558-7924"],"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":"IEEE Transactions on Audio, Speech, and Language Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W86348706","https://openalex.org/W1516787097","https://openalex.org/W1552314771","https://openalex.org/W1559569201","https://openalex.org/W1841772777","https://openalex.org/W1965119980","https://openalex.org/W1968939597","https://openalex.org/W1975301756","https://openalex.org/W1991364870","https://openalex.org/W1995536493","https://openalex.org/W2015087354","https://openalex.org/W2018458134","https://openalex.org/W2080307353","https://openalex.org/W2083205780","https://openalex.org/W2084353970","https://openalex.org/W2088632109","https://openalex.org/W2096779346","https://openalex.org/W2097444044","https://openalex.org/W2102950268","https://openalex.org/W2109349638","https://openalex.org/W2109744426","https://openalex.org/W2118890184","https://openalex.org/W2121973264","https://openalex.org/W2124823288","https://openalex.org/W2128653836","https://openalex.org/W2137973479","https://openalex.org/W2144404214","https://openalex.org/W2148228080","https://openalex.org/W2151667456","https://openalex.org/W2163181067","https://openalex.org/W2163429711","https://openalex.org/W2163608062","https://openalex.org/W2428180336","https://openalex.org/W3147539069"],"related_works":["https://openalex.org/W1577562165","https://openalex.org/W2106793170","https://openalex.org/W2028846388","https://openalex.org/W2072015625","https://openalex.org/W4295210860","https://openalex.org/W2438843077","https://openalex.org/W2161534637","https://openalex.org/W2963134360","https://openalex.org/W2086323236","https://openalex.org/W1500725064"],"abstract_inverted_index":{"Discrete":[0],"cosine":[1],"transform":[2,25],"(DCT)":[3],"has":[4,18],"been":[5],"proven":[6],"to":[7,12,21,43,70],"be":[8,56],"a":[9,30,51,59,104,109],"good":[10,148],"approximation":[11],"the":[13,22,76,83,88,95,100,108,143,147,151],"Karhunen-Loeve":[14],"Transform":[15],"(KLT)":[16],"and":[17,82,121,142],"similar":[19],"properties":[20],"discrete":[23],"Fourier":[24],"(DFT).":[26],"It":[27,74],"also":[28,119],"possesses":[29],"better":[31],"energy":[32],"compaction":[33],"capability":[34],"which":[35],"is":[36,68,91,118,134],"advantageous":[37],"for":[38,50],"speech":[39,61,131],"enhancement.":[40],"However,":[41],"frame":[42,44],"variations":[45],"of":[46,78,85,138,150],"DCT":[47],"coefficients":[48],"even":[49],"perfectly":[52],"stationary":[53],"signal":[54],"can":[55],"observed.":[57],"Therefore":[58],"DCT-based":[60],"enhancement":[62,132],"system":[63,133],"with":[64,114],"pitch":[65,96],"synchronous":[66],"analysis":[67,89],"proposed":[69,130,152],"overcome":[71],"this":[72],"problem.":[73],"reduces":[75],"drawbacks":[77],"fixed":[79],"window":[80,90],"shift":[81,86],"amount":[84],"in":[87,136],"now":[92],"based":[93],"on":[94],"period,":[97],"thus":[98],"increasing":[99],"inter-frame":[101],"similarities.":[102],"Furthermore,":[103],"Wiener":[105],"filter":[106],"using":[107],"priori":[110],"signal-to-noise":[111],"ratio":[112],"(SNR)":[113],"an":[115,124],"adaptive":[116],"parameter":[117],"derived":[120],"implemented":[122],"as":[123],"advanced":[125],"noise":[126],"reduction":[127],"filter.":[128],"This":[129],"evaluated":[135],"terms":[137],"several":[139],"objective":[140],"measures":[141],"experimental":[144],"results":[145],"demonstrate":[146],"performance":[149],"system.":[153]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
