{"id":"https://openalex.org/W3043704821","doi":"https://doi.org/10.1109/tcsii.2020.3009926","title":"A Digital Capacitive MEMS Microphone for Speech Recognition With Fast Wake-Up Feature Using a Sound Activity Detector","display_name":"A Digital Capacitive MEMS Microphone for Speech Recognition With Fast Wake-Up Feature Using a Sound Activity Detector","publication_year":2020,"publication_date":"2020-07-16","ids":{"openalex":"https://openalex.org/W3043704821","doi":"https://doi.org/10.1109/tcsii.2020.3009926","mag":"3043704821"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2020.3009926","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2020.3009926","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","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/A5035246761","display_name":"Youngtae Yang","orcid":"https://orcid.org/0000-0003-1543-0428"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Youngtae Yang","raw_affiliation_strings":["Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","Seoul National University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073052361","display_name":"Byunggyu Lee","orcid":"https://orcid.org/0000-0002-0481-4269"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Byunggyu Lee","raw_affiliation_strings":["Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","Seoul National University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073800818","display_name":"Jun Soo Cho","orcid":"https://orcid.org/0000-0003-4916-4658"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jun Soo Cho","raw_affiliation_strings":["Gwanak Analog Company, Ltd., Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Gwanak Analog Company, Ltd., Seoul, South Korea","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080332152","display_name":"Suhwan Kim","orcid":"https://orcid.org/0000-0001-9107-2963"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Suhwan Kim","raw_affiliation_strings":["Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","Seoul National University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Inter-University Semiconductor Research Center, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069580722","display_name":"Hyunjoong Lee","orcid":"https://orcid.org/0000-0002-9678-7201"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hyunjoong Lee","raw_affiliation_strings":["Gwanak Analog Company, Ltd., Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Gwanak Analog Company, Ltd., Seoul, South Korea","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5035246761"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":null,"apc_paid":null,"fwci":1.4385,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.81799881,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"67","issue":"9","first_page":"1509","last_page":"1513"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10369","display_name":"Advanced MEMS and NEMS Technologies","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10369","display_name":"Advanced MEMS and NEMS Technologies","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10860","display_name":"Speech and Audio Processing","score":0.9980000257492065,"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/microphone","display_name":"Microphone","score":0.7310349345207214},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6085474491119385},{"id":"https://openalex.org/keywords/capacitive-sensing","display_name":"Capacitive sensing","score":0.5586808919906616},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5309606790542603},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.44410207867622375},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43116337060928345},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4233481287956238},{"id":"https://openalex.org/keywords/wake","display_name":"Wake","score":0.4110480844974518},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.39485979080200195},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.3376926779747009},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.262005090713501},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2555386424064636},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2519287168979645},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.20383021235466003},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07332605123519897}],"concepts":[{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.7310349345207214},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6085474491119385},{"id":"https://openalex.org/C206755178","wikidata":"https://www.wikidata.org/wiki/Q1131271","display_name":"Capacitive sensing","level":2,"score":0.5586808919906616},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5309606790542603},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.44410207867622375},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43116337060928345},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4233481287956238},{"id":"https://openalex.org/C48939323","wikidata":"https://www.wikidata.org/wiki/Q294879","display_name":"Wake","level":2,"score":0.4110480844974518},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.39485979080200195},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.3376926779747009},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.262005090713501},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2555386424064636},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2519287168979645},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.20383021235466003},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07332605123519897},{"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/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2020.3009926","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2020.3009926","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6640917119","display_name":null,"funder_award_id":"SRFC-IT1701-04","funder_id":"https://openalex.org/F4320332195","funder_display_name":"Samsung"}],"funders":[{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W127983321","https://openalex.org/W1972162779","https://openalex.org/W2020687294","https://openalex.org/W2127184261","https://openalex.org/W2147823186","https://openalex.org/W2157056807","https://openalex.org/W2167017502","https://openalex.org/W2592333491","https://openalex.org/W2791524226","https://openalex.org/W2921427074","https://openalex.org/W2971435112","https://openalex.org/W3158481788","https://openalex.org/W6605214171","https://openalex.org/W6734376809"],"related_works":["https://openalex.org/W2757285599","https://openalex.org/W2376025146","https://openalex.org/W161151693","https://openalex.org/W2955635855","https://openalex.org/W3195741387","https://openalex.org/W4381570180","https://openalex.org/W1982863302","https://openalex.org/W4389228072","https://openalex.org/W1986109998","https://openalex.org/W2028774108"],"abstract_inverted_index":{"This":[0],"brief":[1],"presents":[2],"a":[3,16,116,125,160],"digital":[4,126],"capacitive":[5],"MEMS":[6],"microphone":[7,22,99,130],"for":[8],"speech":[9],"recognition":[10],"with":[11],"fast":[12,56],"wake-up":[13,48,57,96],"feature":[14,58],"using":[15,34],"sound":[17,36,74,148],"activity":[18,37,75],"detector.":[19],"The":[20,128,151],"proposed":[21,66,129],"wakes":[23],"up":[24],"only":[25,101],"when":[26],"an":[27,132,141,172],"acoustic":[28,142],"event":[29],"within":[30],"the":[31,35,43,55,65,73,95,121],"voice-band":[32],"occurs":[33],"detector,":[38],"which":[39,53],"can":[40],"significantly":[41],"reduce":[42,94],"average":[44],"current":[45],"consumption.":[46],"All":[47],"processes":[49],"are":[50],"performed":[51],"on-chip,":[52],"enables":[54],"to":[59,71,79,92],"prevent":[60,72],"missing":[61],"keywords.":[62],"In":[63,113],"addition,":[64],"deglitching":[67],"technique":[68],"is":[69,90],"applied":[70],"detector":[76],"from":[77],"responding":[78],"non-acoustic":[80],"signals":[81],"such":[82],"as":[83],"glitch":[84],"signals.":[85],"An":[86],"auxiliary":[87],"low-dropout":[88],"regulator":[89],"used":[91],"further":[93],"time.":[97],"Our":[98],"consumes":[100],"16":[102],"<inline-formula":[103,162],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[104,163],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[105,164],"<tex-math":[106,165],"notation=\"LaTeX\">$\\mu":[107,166],"\\text{A}$":[108],"</tex-math></inline-formula>":[109,168],"in":[110,159],"deep-sleep":[111],"mode.":[112],"active":[114],"mode,":[115],"high-performance":[117],"readout":[118,152],"circuit":[119,153],"converts":[120],"voice":[122],"signal":[123],"into":[124],"signal.":[127],"achieves":[131],"A-weighted":[133,173],"signal-to-noise":[134],"ratio":[135],"(SNR)":[136],"of":[137,145,155,175],"62.8":[138],"dBA":[139],"and":[140],"overload":[143],"point":[144],"119.4":[146],"dB":[147],"pressure":[149],"level.":[150],"itself":[154],"our":[156],"microphone,":[157],"fabricated":[158],"0.18":[161],"\\text{m}$":[167],"CMOS":[169],"process,":[170],"has":[171],"SNR":[174],"65.8":[176],"dBA.":[177]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}