{"id":"https://openalex.org/W2136599659","doi":"https://doi.org/10.1109/icassp.2009.4960437","title":"Hands-free speech recognition challenge for real-world speech dialogue systems","display_name":"Hands-free speech recognition challenge for real-world speech dialogue systems","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2136599659","doi":"https://doi.org/10.1109/icassp.2009.4960437","mag":"2136599659"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960437","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":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://naist.repo.nii.ac.jp/records/4647","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003814223","display_name":"Hiroshi Saruwatari","orcid":"https://orcid.org/0000-0003-0876-5617"},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Saruwatari","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005388852","display_name":"Hiromichi Kawanami","orcid":null},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiromichi Kawanami","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002970486","display_name":"Shota Takeuchi","orcid":null},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shota Takeuchi","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079059380","display_name":"Yu Takahashi","orcid":"https://orcid.org/0000-0002-9589-0645"},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yu Takahashi","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058481406","display_name":"Tobias Cincarek","orcid":null},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tobias Cincarek","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021868389","display_name":"Kiyohiro Shikano","orcid":null},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kiyohiro Shikano","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan","Nara Institute of Science and Technology, Ikoma, 630-0192, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 630-0192, Japan","institution_ids":["https://openalex.org/I75917431"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I75917431"],"apc_list":null,"apc_paid":null,"fwci":1.2906,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.79530387,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"3729","last_page":"3732"},"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9991000294685364,"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":0.9991000294685364,"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/reverberation","display_name":"Reverberation","score":0.8105111122131348},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7854784727096558},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.7485917806625366},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7202357053756714},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.716049313545227},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.6564419269561768},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6063641309738159},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.47022080421447754},{"id":"https://openalex.org/keywords/hands-free","display_name":"Hands free","score":0.4399759769439697},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.4330942928791046},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.43097108602523804},{"id":"https://openalex.org/keywords/background-noise","display_name":"Background noise","score":0.3369976878166199},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3113888204097748},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.19744673371315002},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11107918620109558}],"concepts":[{"id":"https://openalex.org/C95851461","wikidata":"https://www.wikidata.org/wiki/Q468809","display_name":"Reverberation","level":2,"score":0.8105111122131348},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7854784727096558},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.7485917806625366},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7202357053756714},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.716049313545227},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.6564419269561768},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6063641309738159},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.47022080421447754},{"id":"https://openalex.org/C3018339088","wikidata":"https://www.wikidata.org/wiki/Q28460","display_name":"Hands free","level":2,"score":0.4399759769439697},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.4330942928791046},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.43097108602523804},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.3369976878166199},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3113888204097748},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.19744673371315002},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11107918620109558},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2009.4960437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960437","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:irdb.nii.ac.jp:01146:0005783098","is_oa":true,"landing_page_url":"https://naist.repo.nii.ac.jp/records/4647","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01146:0005783098","is_oa":true,"landing_page_url":"https://naist.repo.nii.ac.jp/records/4647","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"conference paper"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1493650354","https://openalex.org/W1536730100","https://openalex.org/W1566607451","https://openalex.org/W1600508437","https://openalex.org/W2026575276","https://openalex.org/W2027884847","https://openalex.org/W2099984896","https://openalex.org/W2109603768","https://openalex.org/W2130827473","https://openalex.org/W2137429825","https://openalex.org/W2159956319","https://openalex.org/W2280860138","https://openalex.org/W6629633643","https://openalex.org/W6632057044","https://openalex.org/W6633639475","https://openalex.org/W6636069855","https://openalex.org/W6695780593"],"related_works":["https://openalex.org/W4389082013","https://openalex.org/W2380771148","https://openalex.org/W2348931051","https://openalex.org/W2538903081","https://openalex.org/W2389562147","https://openalex.org/W4386746628","https://openalex.org/W2109356272","https://openalex.org/W2145603824","https://openalex.org/W4286233499","https://openalex.org/W2132495960"],"abstract_inverted_index":{"In":[0,22],"this":[1],"paper,":[2],"we":[3,48],"describe":[4],"and":[5,33,68,72],"review":[6],"our":[7,54,103],"recent":[8],"development":[9],"of":[10,96,110],"hands-free":[11,56],"speech":[12,59,65],"dialogue":[13,42,60,99],"system":[14,61,100,104],"which":[15,82],"is":[16,35],"used":[17],"for":[18,40],"railway":[19,28],"station":[20],"guidance.":[21],"the":[23,26,36,41,46,85,97,107],"application":[24],"at":[25],"real":[27,64],"station,":[29],"robustness":[30],"against":[31],"reverberation":[32],"noise":[34],"most":[37],"essential":[38],"issue":[39],"system.":[43],"To":[44],"address":[45],"problem,":[47],"introduce":[49],"two":[50],"key":[51],"techniques":[52],"in":[53,89],"proposed":[55,98],"system;":[57],"(a)":[58],"construction":[62],"with":[63],"database":[66],"collection":[67],"language/acoustic":[69],"model":[70],"improvement,":[71],"(b)":[73],"microphone":[74,91],"array":[75,81],"preprocessing":[76],"using":[77],"blind":[78],"spatial":[79],"subtraction":[80],"can":[83,105],"solve":[84],"reverberation-naiveness":[86],"problem":[87],"inherent":[88],"conventional":[90],"arrays.":[92],"The":[93],"experimental":[94],"assessment":[95],"reveals":[101],"that":[102],"provide":[106],"recognition":[108],"accuracy":[109],"more":[111],"than":[112],"80%":[113],"under":[114],"realistic":[115],"railway-station":[116],"conditions.":[117]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
