{"id":"https://openalex.org/W2114671417","doi":"https://doi.org/10.1109/icassp.2009.4960503","title":"Enhancement of reverberant speech using the CELP postfilter","display_name":"Enhancement of reverberant speech using the CELP postfilter","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2114671417","doi":"https://doi.org/10.1109/icassp.2009.4960503","mag":"2114671417"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960503","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960503","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5047112576","display_name":"Marco Jeub","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Marco Jeub","raw_affiliation_strings":["Institute of Communication Systems and Data Processing, RWTH Aachen University, Germany","[Institute of Communication Systems and Data Processing (IND), RWTH Aachen University, Germany]"],"affiliations":[{"raw_affiliation_string":"Institute of Communication Systems and Data Processing, RWTH Aachen University, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"[Institute of Communication Systems and Data Processing (IND), RWTH Aachen University, Germany]","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015405966","display_name":"Peter Vary","orcid":"https://orcid.org/0000-0002-5213-1825"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Peter Vary","raw_affiliation_strings":["Institute of Communication Systems and Data Processing, RWTH Aachen University, Germany","[Institute of Communication Systems and Data Processing (IND), RWTH Aachen University, Germany]"],"affiliations":[{"raw_affiliation_string":"Institute of Communication Systems and Data Processing, RWTH Aachen University, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"[Institute of Communication Systems and Data Processing (IND), RWTH Aachen University, Germany]","institution_ids":["https://openalex.org/I887968799"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047112576"],"corresponding_institution_ids":["https://openalex.org/I887968799"],"apc_list":null,"apc_paid":null,"fwci":1.4272,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.81265336,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3993","last_page":"3996"},"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":0.9993000030517578,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.996999979019165,"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/code-excited-linear-prediction","display_name":"Code-excited linear prediction","score":0.8317001461982727},{"id":"https://openalex.org/keywords/reverberation","display_name":"Reverberation","score":0.7497947216033936},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.7174922823905945},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7097175121307373},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.6072351932525635},{"id":"https://openalex.org/keywords/linear-prediction","display_name":"Linear prediction","score":0.5968186855316162},{"id":"https://openalex.org/keywords/spectral-envelope","display_name":"Spectral envelope","score":0.5393272638320923},{"id":"https://openalex.org/keywords/linear-predictive-coding","display_name":"Linear predictive coding","score":0.5073713660240173},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.4422927796840668},{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.4331839680671692},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.42796021699905396},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4116154611110687},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.41009560227394104},{"id":"https://openalex.org/keywords/background-noise","display_name":"Background noise","score":0.27836713194847107},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2270444631576538},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18856525421142578},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16213256120681763},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15113016963005066}],"concepts":[{"id":"https://openalex.org/C105964291","wikidata":"https://www.wikidata.org/wiki/Q856184","display_name":"Code-excited linear prediction","level":4,"score":0.8317001461982727},{"id":"https://openalex.org/C95851461","wikidata":"https://www.wikidata.org/wiki/Q468809","display_name":"Reverberation","level":2,"score":0.7497947216033936},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.7174922823905945},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7097175121307373},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.6072351932525635},{"id":"https://openalex.org/C131109320","wikidata":"https://www.wikidata.org/wiki/Q581012","display_name":"Linear prediction","level":2,"score":0.5968186855316162},{"id":"https://openalex.org/C54926389","wikidata":"https://www.wikidata.org/wiki/Q7575188","display_name":"Spectral envelope","level":2,"score":0.5393272638320923},{"id":"https://openalex.org/C59883199","wikidata":"https://www.wikidata.org/wiki/Q1826438","display_name":"Linear predictive coding","level":3,"score":0.5073713660240173},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.4422927796840668},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.4331839680671692},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.42796021699905396},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4116154611110687},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.41009560227394104},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.27836713194847107},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2270444631576538},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18856525421142578},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16213256120681763},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15113016963005066},{"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/icassp.2009.4960503","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960503","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.517.3200","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.517.3200","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ind.rwth-aachen.de/fileadmin/publications/jeub09.pdf","raw_type":"text"},{"id":"pmh:oai:publications.rwth-aachen.de:99762","is_oa":false,"landing_page_url":"https://publications.rwth-aachen.de/record/99762","pdf_url":null,"source":{"id":"https://openalex.org/S4306401362","display_name":"RWTH Publications (RWTH Aachen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I887968799","host_organization_name":"RWTH Aachen University","host_organization_lineage":["https://openalex.org/I887968799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Acoustics, Speech and Signal Processing, 2009 : ICASSP 2009 ; 19 - 24 April 2009, Taipei International Convention Center, Taipei, Taiwan ; proceedings / sponsored by the Institute of Electrical and Electronics Engineers Signal Processing Society. - Vol. 7<br/>IEEE International Conference on Acoustics, Speech and Signal Processing 2009, ICASSP 2009, Taipei, Taiwan, 2009-04-19 - 2009-04-24","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.5,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W190060899","https://openalex.org/W1808196926","https://openalex.org/W1844625463","https://openalex.org/W2102072896","https://openalex.org/W2131094339","https://openalex.org/W2141761187","https://openalex.org/W2157578001","https://openalex.org/W2162953240","https://openalex.org/W4214498238"],"related_works":["https://openalex.org/W2014919663","https://openalex.org/W1586537451","https://openalex.org/W2148904379","https://openalex.org/W1982751076","https://openalex.org/W2383072803","https://openalex.org/W2051489660","https://openalex.org/W1570840316","https://openalex.org/W1974955401","https://openalex.org/W2119342582","https://openalex.org/W1629698752"],"abstract_inverted_index":{"In":[0],"this":[1,122],"paper":[2],"we":[3],"investigate":[4],"the":[5,11,32,38,42,48,67,83,86,90,96,100,132],"application":[6],"of":[7,13,34,80,85,126],"adaptive":[8,81],"postfiltering":[9],"for":[10],"enhancement":[12],"reverberant":[14],"speech.":[15],"The":[16],"considered":[17],"method":[18],"is":[19,53,60,124],"commonly":[20],"used":[21],"in":[22,37,62,89],"code":[23],"excited":[24],"linear":[25],"prediction":[26],"(CELP)":[27],"speech":[28,58],"coding":[29],"to":[30,56],"lower":[31],"impact":[33],"quantization":[35],"noise":[36,51],"excitation":[39,91],"signal":[40,92,97],"and":[41,95,107,130],"spectral":[43],"envelope.":[44],"We":[45],"show":[46],"that":[47,121],"underlying":[49],"additive":[50],"model":[52],"accurate":[54],"enough":[55],"enhance":[57],"which":[59],"recorded":[61],"an":[63],"enclosed":[64],"space":[65],"where":[66],"resulting":[68],"early":[69,128],"reflections":[70],"are":[71,93,103,111],"usually":[72],"modeled":[73],"as":[74],"a":[75,114],"convolutive":[76],"distortion.":[77],"By":[78],"means":[79],"filtering,":[82],"amplitudes":[84],"unwanted":[87],"peaks":[88,102],"attenuated":[94],"components":[98],"at":[99],"harmonic":[101],"emphasized.":[104],"Both,":[105],"single-":[106],"multi-channel":[108],"dereverberation":[109],"algorithms":[110],"proposed":[112],"having":[113],"moderate":[115],"computational":[116],"complexity.":[117],"Experiments":[118],"have":[119],"shown":[120],"approach":[123],"capable":[125],"reducing":[127],"reverberation":[129],"attenuate":[131],"ldquodistance-effectrdquo":[133],"arising":[134],"from":[135],"room":[136],"reflections.":[137]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
