{"id":"https://openalex.org/W2051874041","doi":"https://doi.org/10.1109/thms.2014.2320945","title":"Biosignals Sensing by Novel Use of Bidirectional Microphones in a Mobile Phone for Ubiquitous Healthcare Monitoring","display_name":"Biosignals Sensing by Novel Use of Bidirectional Microphones in a Mobile Phone for Ubiquitous Healthcare Monitoring","publication_year":2014,"publication_date":"2014-06-26","ids":{"openalex":"https://openalex.org/W2051874041","doi":"https://doi.org/10.1109/thms.2014.2320945","mag":"2051874041"},"language":"en","primary_location":{"id":"doi:10.1109/thms.2014.2320945","is_oa":false,"landing_page_url":"https://doi.org/10.1109/thms.2014.2320945","pdf_url":null,"source":{"id":"https://openalex.org/S2476799526","display_name":"IEEE Transactions on Human-Machine Systems","issn_l":"2168-2291","issn":["2168-2291","2168-2305"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Human-Machine Systems","raw_type":"journal-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/A5110809525","display_name":"Kajiro Watanabe","orcid":null},"institutions":[{"id":"https://openalex.org/I125602781","display_name":"Tokyo Medical and Dental University","ror":"https://ror.org/051k3eh31","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781"]},{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kajiro Watanabe","raw_affiliation_strings":["Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan","Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan","Dept. of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]},{"raw_affiliation_string":"Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan","institution_ids":["https://openalex.org/I125602781"]},{"raw_affiliation_string":"Dept. of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090187549","display_name":"Yosuke Kurihara","orcid":"https://orcid.org/0000-0003-4592-0807"},"institutions":[{"id":"https://openalex.org/I131231118","display_name":"Aoyama Gakuin University","ror":"https://ror.org/002rw7y37","country_code":"JP","type":"education","lineage":["https://openalex.org/I131231118"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yosuke Kurihara","raw_affiliation_strings":["Department of Industrial and Systems Engineering, College of Science and Engineering, Aoyama Gakuin University, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Industrial and Systems Engineering, College of Science and Engineering, Aoyama Gakuin University, Kanagawa, Japan","institution_ids":["https://openalex.org/I131231118"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087445336","display_name":"Ko Watanabe","orcid":"https://orcid.org/0000-0003-0252-1785"},"institutions":[{"id":"https://openalex.org/I125602781","display_name":"Tokyo Medical and Dental University","ror":"https://ror.org/051k3eh31","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781"]},{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ko Watanabe","raw_affiliation_strings":["Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan","Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan","[Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan]"],"affiliations":[{"raw_affiliation_string":"Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]},{"raw_affiliation_string":"Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan","institution_ids":["https://openalex.org/I125602781"]},{"raw_affiliation_string":"[Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Tokyo, Japan]","institution_ids":["https://openalex.org/I125602781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000854022","display_name":"Toshihiro Azami","orcid":null},"institutions":[{"id":"https://openalex.org/I2252096349","display_name":"Fujitsu (Japan)","ror":"https://ror.org/038e2g226","country_code":"JP","type":"company","lineage":["https://openalex.org/I2252096349"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiro Azami","raw_affiliation_strings":["Fujitsu Limited, Kawasaki, Japan","FUJITSU LIMITED., Kawasaki , JAPAN"],"affiliations":[{"raw_affiliation_string":"Fujitsu Limited, Kawasaki, Japan","institution_ids":["https://openalex.org/I2252096349"]},{"raw_affiliation_string":"FUJITSU LIMITED., Kawasaki , JAPAN","institution_ids":["https://openalex.org/I2252096349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018176539","display_name":"Shoko Nukaya","orcid":null},"institutions":[{"id":"https://openalex.org/I125602781","display_name":"Tokyo Medical and Dental University","ror":"https://ror.org/051k3eh31","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shoko Nukaya","raw_affiliation_strings":["Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Japan","Div. of Adv. Therapeutical Sci., Tokyo Med. & Dental Univ., Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Division of Advanced Therapeutical Sciences, Tokyo Medical and Dental University, Japan","institution_ids":["https://openalex.org/I125602781"]},{"raw_affiliation_string":"Div. of Adv. Therapeutical Sci., Tokyo Med. & Dental Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I125602781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044257058","display_name":"Hiroshi Tanaka","orcid":"https://orcid.org/0000-0001-9296-2642"},"institutions":[{"id":"https://openalex.org/I125602781","display_name":"Tokyo Medical and Dental University","ror":"https://ror.org/051k3eh31","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Tanaka","raw_affiliation_strings":["University Center for Information Medicine, Tokyo Medical and Dental University, Tokyo, Japan","Univ. Center for Inf. Med., Tokyo Med. & Dental Univ., Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"University Center for Information Medicine, Tokyo Medical and Dental University, Tokyo, Japan","institution_ids":["https://openalex.org/I125602781"]},{"raw_affiliation_string":"Univ. Center for Inf. Med., Tokyo Med. & Dental Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I125602781"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5110809525"],"corresponding_institution_ids":["https://openalex.org/I125602781","https://openalex.org/I204291657"],"apc_list":null,"apc_paid":null,"fwci":0.3737,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.63236938,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"44","issue":"4","first_page":"545","last_page":"550"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/T11021","display_name":"ECG Monitoring and Analysis","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13248","display_name":"Healthcare Technology and Patient Monitoring","score":0.9934999942779541,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/stethoscope","display_name":"Stethoscope","score":0.7337848544120789},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.7224422693252563},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.6746259927749634},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.6087164878845215},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6042527556419373},{"id":"https://openalex.org/keywords/photoplethysmogram","display_name":"Photoplethysmogram","score":0.5970194935798645},{"id":"https://openalex.org/keywords/biosignal","display_name":"Biosignal","score":0.5692996978759766},{"id":"https://openalex.org/keywords/pulse","display_name":"Pulse (music)","score":0.533100962638855},{"id":"https://openalex.org/keywords/heart-sounds","display_name":"Heart sounds","score":0.4709033966064453},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.4604336619377136},{"id":"https://openalex.org/keywords/phone","display_name":"Phone","score":0.42525768280029297},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.4177218973636627},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.3751373887062073},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.26297417283058167},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22591540217399597},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.15595081448554993},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.14859062433242798},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1313822865486145}],"concepts":[{"id":"https://openalex.org/C2779055095","wikidata":"https://www.wikidata.org/wiki/Q162339","display_name":"Stethoscope","level":2,"score":0.7337848544120789},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.7224422693252563},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6746259927749634},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.6087164878845215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6042527556419373},{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.5970194935798645},{"id":"https://openalex.org/C2779055241","wikidata":"https://www.wikidata.org/wiki/Q644240","display_name":"Biosignal","level":3,"score":0.5692996978759766},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.533100962638855},{"id":"https://openalex.org/C2779435589","wikidata":"https://www.wikidata.org/wiki/Q967103","display_name":"Heart sounds","level":2,"score":0.4709033966064453},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.4604336619377136},{"id":"https://openalex.org/C2778707766","wikidata":"https://www.wikidata.org/wiki/Q202064","display_name":"Phone","level":2,"score":0.42525768280029297},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.4177218973636627},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.3751373887062073},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.26297417283058167},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22591540217399597},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.15595081448554993},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.14859062433242798},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1313822865486145},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/thms.2014.2320945","is_oa":false,"landing_page_url":"https://doi.org/10.1109/thms.2014.2320945","pdf_url":null,"source":{"id":"https://openalex.org/S2476799526","display_name":"IEEE Transactions on Human-Machine Systems","issn_l":"2168-2291","issn":["2168-2291","2168-2305"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Human-Machine Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1995926160","https://openalex.org/W2021674224","https://openalex.org/W2047693489","https://openalex.org/W2105064826","https://openalex.org/W2106260822","https://openalex.org/W2107203001","https://openalex.org/W2117390776","https://openalex.org/W2118370586","https://openalex.org/W2122086325","https://openalex.org/W2134563592","https://openalex.org/W2137619789","https://openalex.org/W2150492704","https://openalex.org/W2164291495","https://openalex.org/W6677954148"],"related_works":["https://openalex.org/W2795906808","https://openalex.org/W1540800367","https://openalex.org/W1970711085","https://openalex.org/W2119195298","https://openalex.org/W4283641234","https://openalex.org/W2095324605","https://openalex.org/W2103456541","https://openalex.org/W2337905603","https://openalex.org/W2783636233","https://openalex.org/W2232610944"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"a":[3,46,55,61,65,89,98,120],"novel":[4],"application":[5],"of":[6,69,109],"the":[7,32,36,51,58,74,77,82,85,102,106,110,127,135,139,143],"bidirectional":[8,22],"audio":[9],"microphones":[10],"in":[11,63],"mobile":[12,47],"phones":[13],"to":[14,42,84,105,142],"measure":[15],"biosignals":[16],"for":[17,45,93],"ubiquitous":[18],"health":[19],"monitoring.":[20],"The":[21],"microphone":[23,52],"has":[24],"two":[25,133],"pressure-detecting":[26,29],"ports.":[27,37],"A":[28],"film":[30],"receives":[31],"differential":[33],"pressure":[34],"between":[35],"We":[38,49],"apply":[39],"this":[40],"idea":[41],"biosignal":[43],"measurements":[44],"phone.":[48],"used":[50,96,118],"as":[53,97,119],"1)":[54],"sphygmograph":[56],"at":[57],"fingertip,":[59,86],"2)":[60],"stethoscope":[62],"which":[64],"delay":[66,136],"time":[67,137],"sensor":[68],"pulse":[70,113,128],"wave":[71,103,129],"arrivals":[72],"from":[73,138],"neck":[75,140],"near":[76,81],"carotid":[78,141],"or":[79],"chest":[80],"heart":[83],"and":[87,126,130],"3)":[88],"bed":[90],"sensing":[91],"device":[92],"biosignals.":[94],"When":[95,117],"sphygmograph,":[99],"it":[100,122],"detects":[101,123],"similar":[104],"second":[107],"derivative":[108],"conventional":[111],"optical":[112],"oxymeter":[114],"output":[115],"wave.":[116],"stethoscope,":[121],"cardiac":[124],"sound":[125],"respiration.":[131],"With":[132],"microphones,":[134],"fingertip":[144],"is":[145],"detected.":[146]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
