{"id":"https://openalex.org/W1489520459","doi":"https://doi.org/10.21437/interspeech.2008-74","title":"Development and evaluation of hands-free spoken dialogue system for railway station guidance","display_name":"Development and evaluation of hands-free spoken dialogue system for railway station guidance","publication_year":2008,"publication_date":"2008-09-22","ids":{"openalex":"https://openalex.org/W1489520459","doi":"https://doi.org/10.21437/interspeech.2008-74","mag":"1489520459"},"language":"en","primary_location":{"id":"doi:10.21437/interspeech.2008-74","is_oa":false,"landing_page_url":"https://doi.org/10.21437/interspeech.2008-74","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Interspeech 2008","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/4730","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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083444692","display_name":"Hiroyuki Sakai","orcid":"https://orcid.org/0000-0001-8928-6591"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroyuki Sakai","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, 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, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Japan","institution_ids":["https://openalex.org/I75917431"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03037644,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"455","last_page":"458"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12031","display_name":"Speech and dialogue systems","score":0.998199999332428,"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/T12031","display_name":"Speech and dialogue systems","score":0.998199999332428,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9977999925613403,"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":0.9973000288009644,"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/computer-science","display_name":"Computer science","score":0.5701055526733398},{"id":"https://openalex.org/keywords/association","display_name":"Association (psychology)","score":0.4698081612586975},{"id":"https://openalex.org/keywords/aeronautics","display_name":"Aeronautics","score":0.3729982078075409},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3631710112094879},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2929321825504303},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.12735939025878906}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5701055526733398},{"id":"https://openalex.org/C142853389","wikidata":"https://www.wikidata.org/wiki/Q744778","display_name":"Association (psychology)","level":2,"score":0.4698081612586975},{"id":"https://openalex.org/C178802073","wikidata":"https://www.wikidata.org/wiki/Q8421","display_name":"Aeronautics","level":1,"score":0.3729982078075409},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3631710112094879},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2929321825504303},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.12735939025878906},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.21437/interspeech.2008-74","is_oa":false,"landing_page_url":"https://doi.org/10.21437/interspeech.2008-74","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Interspeech 2008","raw_type":"proceedings-article"},{"id":"pmh:oai:irdb.nii.ac.jp:01146:0005783181","is_oa":true,"landing_page_url":"https://naist.repo.nii.ac.jp/records/4730","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:01146:0005783181","is_oa":true,"landing_page_url":"https://naist.repo.nii.ac.jp/records/4730","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1502984613","https://openalex.org/W1548802052","https://openalex.org/W1600508437","https://openalex.org/W2128653836","https://openalex.org/W2159956319","https://openalex.org/W2280860138"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W4402327032","https://openalex.org/W2382290278"],"abstract_inverted_index":{"In":[0,20],"this":[1],"paper,":[2],"we":[3,42],"describe":[4],"development":[5],"and":[6,66,71,104],"evaluation":[7],"of":[8,85,92,101,112],"handsfree":[9],"spoken":[10],"dialogue":[11,36,95],"system":[12,96],"which":[13,61],"is":[14,29],"used":[15],"for":[16,34,82],"railway":[17,25],"station":[18],"guidance.":[19],"the":[21,24,30,35,40,93,99,109],"application":[22],"at":[23],"station,":[26],"noise":[27,119],"robustness":[28],"most":[31],"essential":[32],"issue":[33],"system.":[37],"To":[38],"address":[39],"problem,":[41],"introduce":[43],"two":[44],"key":[45],"techniques":[46],"in":[47,69],"our":[48],"proposed":[49,94],"hands-free":[50],"system;":[51],"(a)":[52],"blind":[53],"spatial":[54],"subtraction":[55],"array":[56],"(BSSA)":[57],"as":[58],"a":[59],"preprocessing,":[60],"can":[62,107],"efficiently":[63],"reduce":[64],"nonstationary":[65],"diffuse":[67],"noises":[68],"real-time,":[70],"(b)":[72],"robust":[73,105],"voice":[74],"activity":[75],"detection":[76],"(VAD)":[77],"based":[78],"on":[79],"speech":[80,86],"decoding":[81],"further":[83],"improvement":[84],"recognition":[87,110],"accuracy.":[88],"The":[89],"experimental":[90],"assessment":[91],"reveals":[97],"that":[98],"combination":[100],"real-time":[102],"BSSA":[103],"VAD":[106],"provide":[108],"accuracy":[111],"more":[113],"than":[114],"80%":[115],"under":[116],"adverse":[117],"railway-station":[118],"conditions.":[120]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}