{"id":"https://openalex.org/W2140937732","doi":"https://doi.org/10.1109/icassp.2006.1661457","title":"Fepstrum and Carrier Signal Decomposition of Speech Signals Through Homomorphic Filtering","display_name":"Fepstrum and Carrier Signal Decomposition of Speech Signals Through Homomorphic Filtering","publication_year":2006,"publication_date":"2006-08-02","ids":{"openalex":"https://openalex.org/W2140937732","doi":"https://doi.org/10.1109/icassp.2006.1661457","mag":"2140937732"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2006.1661457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1661457","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","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/A5062805147","display_name":"Vivek Tyagi","orcid":"https://orcid.org/0000-0002-3067-0801"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"V. Tyagi","raw_affiliation_strings":["Institute Eurecom, Sophia-Antipolis, France","Institute Eurecom, B.P 193 -06904 Sophia Antipolis, France. Vivek.Tyagi@eurecom.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute Eurecom, Sophia-Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Institute Eurecom, B.P 193 -06904 Sophia Antipolis, France. Vivek.Tyagi@eurecom.fr","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108525230","display_name":"C. Wellekens","orcid":null},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"C. Wellekens","raw_affiliation_strings":["Institute Eurecom, Sophia-Antipolis, France","Inst. EURECOM, Sophia Antipolis"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute Eurecom, Sophia-Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Inst. EURECOM, Sophia Antipolis","institution_ids":["https://openalex.org/I1902872"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3234,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.59669313,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"5","issue":null,"first_page":"V","last_page":"1041"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9987000226974487,"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":0.9987000226974487,"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":0.9973000288009644,"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"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9939000010490417,"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/signal","display_name":"SIGNAL (programming language)","score":0.6523467302322388},{"id":"https://openalex.org/keywords/homomorphic-filtering","display_name":"Homomorphic filtering","score":0.6461979150772095},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6220391988754272},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5967927575111389},{"id":"https://openalex.org/keywords/demodulation","display_name":"Demodulation","score":0.5807045698165894},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4842033386230469},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.48113858699798584},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43643930554389954},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3286460041999817},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.297035276889801},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2720283567905426},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22614014148712158},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22340205311775208},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.14586764574050903}],"concepts":[{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.6523467302322388},{"id":"https://openalex.org/C56683213","wikidata":"https://www.wikidata.org/wiki/Q4143008","display_name":"Homomorphic filtering","level":4,"score":0.6461979150772095},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6220391988754272},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5967927575111389},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.5807045698165894},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4842033386230469},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.48113858699798584},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43643930554389954},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3286460041999817},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.297035276889801},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2720283567905426},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22614014148712158},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22340205311775208},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.14586764574050903},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"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/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C3017601658","wikidata":"https://www.wikidata.org/wiki/Q545981","display_name":"Image enhancement","level":3,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2006.1661457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1661457","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.550000011920929,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1522045018","https://openalex.org/W1992272902","https://openalex.org/W2085085647","https://openalex.org/W2097645910","https://openalex.org/W2107274740","https://openalex.org/W2112676096","https://openalex.org/W2134755603","https://openalex.org/W2142183264","https://openalex.org/W2612977707","https://openalex.org/W4249553965","https://openalex.org/W6631255193"],"related_works":["https://openalex.org/W2020668682","https://openalex.org/W2355105799","https://openalex.org/W3134631198","https://openalex.org/W2366468345","https://openalex.org/W2013074544","https://openalex.org/W2013604892","https://openalex.org/W4317721498","https://openalex.org/W2038401158","https://openalex.org/W2348189462","https://openalex.org/W2162174235"],"abstract_inverted_index":{"Amplitude":[0],"modulation":[1,5,121],"(AM)":[2],"and":[3,11,42,65,79,135,188,194,227],"frequency":[4],"(FM)":[6],"have":[7,27,60],"been":[8],"well":[9],"defined":[10],"studied":[12],"in":[13,62,82,174],"the":[14,67,83,96,104,115,119,149,165,168,175,183,207,213,217,245],"context":[15,84],"of":[16,85,95,118,216,253],"communications":[17],"systems(S.":[18],"Haykin,":[19],"1994).":[20],"Borrowing":[21],"upon":[22],"these":[23,254],"ideas,":[24],"several":[25,108],"researchers":[26],"applied":[28],"AM-FM":[29],"(V.":[30,123],"Tyagi":[31,124,193],"et":[32,37,48,125,130,141],"al.,":[33,38,49,126,131,142],"2003,":[34,127],"M.":[35,128],"Athineos":[36,129],"2004,":[39,132],"Q.":[40,133],"Zhu":[41,134],"A.":[43,136,189],"Alwan,":[44,137],"2000,":[45,138],"B.E.D.":[46,139],"Kingsbury":[47,140],"1998)":[50],"modeling":[51],"for":[52,90],"speech":[53,105,120,150,235],"signals":[54,81,224],"with":[55],"mixed":[56],"results.":[57],"These":[58,237],"techniques":[59],"varied":[61],"their":[63,228],"definition":[64],"consequently":[66],"demodulation":[68],"methods":[69],"used":[70],"therein.":[71],"In":[72],"this":[73],"paper,":[74],"we":[75],"carefully":[76],"define":[77],"AM":[78,97,169,184,222],"FM":[80,176,209,218],"ASR.":[86],"We":[87,198],"show":[88],"that":[89,241],"a":[91,172,200],"theoretically":[92],"meaningful":[93],"estimation":[94],"signal,":[98],"it":[99],"is":[100,179,242,257],"necessary":[101],"to":[102,114,164,205,244,259],"decompose":[103],"signal":[106,151,170,177,185,210],"into":[107,152],"narrow":[109],"spectral":[110,155],"bands":[111,156],"as":[112,158,234],"opposed":[113],"previous":[116],"use":[117],"spectrum":[122],"1998),":[143],"which":[144,178],"was":[145],"derived":[146],"by":[147],"decomposing":[148],"increasingly":[153],"wider":[154],"(such":[157],"critical,":[159],"Bark":[160],"or":[161],"Mel).":[162],"Due":[163],"Hilbert":[166],"relationships,":[167],"induces":[171],"component":[173],"fully":[180],"determinable":[181],"from":[182],"(R.":[186],"Kumaresan":[187],"Rao,":[190],"1999,":[191],"V.":[192],"C.":[195],"Wellekens,":[196],"2005).":[197],"present":[199],"novel":[201],"homomorphic":[202],"filtering":[203],"technique":[204],"extract":[206],"leftover":[208],"after":[211],"suppressing":[212],"redundant":[214],"part":[215],"signal.":[219],"The":[220],"estimated":[221],"message":[223],"are":[225,232],"downsampled":[226],"lower":[229],"DCT":[230],"coefficients":[231],"retained":[233],"features.":[236],"features":[238,256],"carry":[239],"information":[240],"complementary":[243],"MFCCs.":[246],"A":[247],"Tandem":[248],"(H.":[249],"Hermansky,":[250],"2003)":[251],"combination":[252],"two":[255],"shown":[258],"improve":[260],"recognition":[261],"accuracy":[262]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
