{"id":"https://openalex.org/W188159071","doi":"https://doi.org/10.21437/eurospeech.1995-214","title":"Filtering the time sequence of spectral parameters for speaker-independent CDHMM word recognition","display_name":"Filtering the time sequence of spectral parameters for speaker-independent CDHMM word recognition","publication_year":1995,"publication_date":"1995-09-18","ids":{"openalex":"https://openalex.org/W188159071","doi":"https://doi.org/10.21437/eurospeech.1995-214","mag":"188159071"},"language":"en","primary_location":{"id":"doi:10.21437/eurospeech.1995-214","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.1995-214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"4th European Conference on Speech Communication and Technology (Eurospeech 1995)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/102224","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060675701","display_name":"Climent Nadeu","orcid":"https://orcid.org/0000-0002-5863-0983"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Climent Nadeu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113513460","display_name":"Pau Paches-Leal","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pau Paches-Leal","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5070867959","display_name":"Biing\u2010Hwang Juang","orcid":"https://orcid.org/0000-0002-5773-5679"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Biing-Hwang Juang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7544,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.64528386,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"923","last_page":"926"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9995999932289124,"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/T10860","display_name":"Speech and Audio Processing","score":0.9983999729156494,"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":0.991599977016449,"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/speech-recognition","display_name":"Speech recognition","score":0.8127707242965698},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6785308122634888},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.6313681602478027},{"id":"https://openalex.org/keywords/word-error-rate","display_name":"Word error rate","score":0.6228440403938293},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.5985205173492432},{"id":"https://openalex.org/keywords/string","display_name":"String (physics)","score":0.538030207157135},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.50625079870224},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4830063581466675},{"id":"https://openalex.org/keywords/syllable","display_name":"Syllable","score":0.4716039299964905},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.46902409195899963},{"id":"https://openalex.org/keywords/cepstrum","display_name":"Cepstrum","score":0.46563899517059326},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.44225892424583435},{"id":"https://openalex.org/keywords/mel-frequency-cepstrum","display_name":"Mel-frequency cepstrum","score":0.4206133186817169},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40234601497650146},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.26009902358055115},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25183725357055664},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.11807557940483093},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07236993312835693}],"concepts":[{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.8127707242965698},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6785308122634888},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.6313681602478027},{"id":"https://openalex.org/C40969351","wikidata":"https://www.wikidata.org/wiki/Q3516228","display_name":"Word error rate","level":2,"score":0.6228440403938293},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.5985205173492432},{"id":"https://openalex.org/C157486923","wikidata":"https://www.wikidata.org/wiki/Q1376436","display_name":"String (physics)","level":2,"score":0.538030207157135},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.50625079870224},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4830063581466675},{"id":"https://openalex.org/C109089402","wikidata":"https://www.wikidata.org/wiki/Q8188","display_name":"Syllable","level":2,"score":0.4716039299964905},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.46902409195899963},{"id":"https://openalex.org/C88485024","wikidata":"https://www.wikidata.org/wiki/Q1054571","display_name":"Cepstrum","level":2,"score":0.46563899517059326},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.44225892424583435},{"id":"https://openalex.org/C151989614","wikidata":"https://www.wikidata.org/wiki/Q440370","display_name":"Mel-frequency cepstrum","level":3,"score":0.4206133186817169},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40234601497650146},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.26009902358055115},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25183725357055664},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.11807557940483093},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07236993312835693},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.21437/eurospeech.1995-214","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.1995-214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"4th European Conference on Speech Communication and Technology (Eurospeech 1995)","raw_type":"proceedings-article"},{"id":"pmh:oai:www.recercat.cat:2072/281709","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/102224","pdf_url":null,"source":{"id":"https://openalex.org/S4306402147","display_name":"RECERCAT (Consorci de Serveis Universitaris de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210090028","host_organization_name":"Consorci de Serveis Universitaris de Catalunya","host_organization_lineage":["https://openalex.org/I4210090028"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:upcommons.upc.edu:2117/102224","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/102224","pdf_url":"http://hdl.handle.net/2117/102224","source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"}],"best_oa_location":{"id":"pmh:oai:www.recercat.cat:2072/281709","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/102224","pdf_url":null,"source":{"id":"https://openalex.org/S4306402147","display_name":"RECERCAT (Consorci de Serveis Universitaris de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210090028","host_organization_name":"Consorci de Serveis Universitaris de Catalunya","host_organization_lineage":["https://openalex.org/I4210090028"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1766888123","https://openalex.org/W1974248018","https://openalex.org/W2054392851","https://openalex.org/W2113125945","https://openalex.org/W2137075158","https://openalex.org/W2152131029","https://openalex.org/W2408660648","https://openalex.org/W2765523351"],"related_works":["https://openalex.org/W2018086531","https://openalex.org/W1980297060","https://openalex.org/W2387604097","https://openalex.org/W2373675101","https://openalex.org/W4385672897","https://openalex.org/W106160982","https://openalex.org/W2359140082","https://openalex.org/W2074132948","https://openalex.org/W2160511961","https://openalex.org/W2061937230"],"abstract_inverted_index":{"In":[0,101],"this":[1,56],"work,":[2],"we":[3],"show":[4,40],"how":[5],"speaker-independent":[6],"CDHMM":[7],"word":[8],"recognition":[9,51,86],"performance":[10],"can":[11,43,90],"be":[12],"significantly":[13],"improved":[14],"for":[15],"clean":[16],"speech":[17],"by":[18,69],"filtering":[19],"the":[20,34,41,64,71,85,98,103,109,112,116,129,134],"time":[21,29],"sequence":[22],"of":[23,49,111,115,133],"spectral":[24],"parameters":[25],"to":[26,63,128],"enhance":[27],"its":[28],"dynamics.":[30],"Experimental":[31],"results":[32,105],"with":[33],"standard":[35],"TI":[36],"connected":[37],"digits":[38],"database":[39],"filter":[42,117],"achieve":[44,92],"more":[45],"than":[46],"30%":[47],"reduction":[48,67],"string":[50],"error.":[52],"As":[53],"shown":[54],"in":[55],"paper,":[57],"that":[58],"improvement":[59,96],"is":[60,119],"partially":[61],"due":[62],"speaker":[65],"variability":[66],"obtained":[68,107],"attenuating":[70],"very":[72],"low":[73],"modulation":[74],"frequencies.":[75],"The":[76],"widely":[77],"used":[78],"cepstral":[79],"mean":[80],"subtraction":[81],"technique":[82],"also":[83],"improves":[84],"rate,":[87],"but":[88],"it":[89],"not":[91],"such":[93],"a":[94,124],"noticeable":[95],"as":[97],"parameter":[99],"filter.":[100],"fact,":[102],"best":[104],"are":[106],"when":[108],"peak":[110],"long-term":[113],"spectrum":[114],"output":[118],"at":[120],"around":[121],"3":[122],"Hz,":[123],"frequency":[125],"which":[126],"corresponds":[127],"average":[130],"syllable":[131],"rate":[132],"employed":[135],"database.":[136]},"counts_by_year":[],"updated_date":"2026-08-04T08:18:43.703281","created_date":"2025-10-10T00:00:00"}