{"id":"https://openalex.org/W4391684222","doi":"https://doi.org/10.3390/sym16020209","title":"Detection of the Compromising Audio Signal by Analyzing Its AM Demodulated Spectrum","display_name":"Detection of the Compromising Audio Signal by Analyzing Its AM Demodulated Spectrum","publication_year":2024,"publication_date":"2024-02-09","ids":{"openalex":"https://openalex.org/W4391684222","doi":"https://doi.org/10.3390/sym16020209"},"language":"en","primary_location":{"id":"doi:10.3390/sym16020209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16020209","pdf_url":"https://www.mdpi.com/2073-8994/16/2/209/pdf?version=1707468260","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-8994/16/2/209/pdf?version=1707468260","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5092317224","display_name":"Alexandru M\u0103d\u0103lin Vizitiu","orcid":"https://orcid.org/0009-0007-8772-9601"},"institutions":[{"id":"https://openalex.org/I4210152900","display_name":"Ministry of Youth and Sports","ror":"https://ror.org/04vm99k83","country_code":"RO","type":"government","lineage":["https://openalex.org/I4210152900"]},{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":true,"raw_author_name":"Alexandru Madalin Vizitiu","raw_affiliation_strings":["Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","The Special Telecommunications Service, 060044 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0009-0007-8772-9601","affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"The Special Telecommunications Service, 060044 Bucharest, Romania","institution_ids":["https://openalex.org/I4210152900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060768396","display_name":"Lidia Dobrescu","orcid":"https://orcid.org/0000-0002-0028-5347"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Lidia Dobrescu","raw_affiliation_strings":["Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0000-0002-0028-5347","affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077645754","display_name":"Bogdan Trip","orcid":"https://orcid.org/0009-0008-1774-5777"},"institutions":[{"id":"https://openalex.org/I4210152900","display_name":"Ministry of Youth and Sports","ror":"https://ror.org/04vm99k83","country_code":"RO","type":"government","lineage":["https://openalex.org/I4210152900"]},{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Bogdan Catalin Trip","raw_affiliation_strings":["Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","The Special Telecommunications Service, 060044 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0009-0008-1774-5777","affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"The Special Telecommunications Service, 060044 Bucharest, Romania","institution_ids":["https://openalex.org/I4210152900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009126863","display_name":"Vlad Butnariu","orcid":"https://orcid.org/0009-0000-2486-8048"},"institutions":[{"id":"https://openalex.org/I4210152900","display_name":"Ministry of Youth and Sports","ror":"https://ror.org/04vm99k83","country_code":"RO","type":"government","lineage":["https://openalex.org/I4210152900"]},{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Vlad Florian Butnariu","raw_affiliation_strings":["Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","The Special Telecommunications Service, 060044 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0009-0000-2486-8048","affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"The Special Telecommunications Service, 060044 Bucharest, Romania","institution_ids":["https://openalex.org/I4210152900"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019211084","display_name":"Cristian Molder","orcid":"https://orcid.org/0000-0003-4861-1620"},"institutions":[{"id":"https://openalex.org/I2802885015","display_name":"Military Technical Academy","ror":"https://ror.org/01tqmsq19","country_code":"RO","type":"education","lineage":["https://openalex.org/I2802885015"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Cristian Molder","raw_affiliation_strings":["Center of Excellence in Robotics and Autonomous Systems\u2014CERAS, \u201cFerdinand I\u201d Military Technical Academy, 050141 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0000-0003-4861-1620","affiliations":[{"raw_affiliation_string":"Center of Excellence in Robotics and Autonomous Systems\u2014CERAS, \u201cFerdinand I\u201d Military Technical Academy, 050141 Bucharest, Romania","institution_ids":["https://openalex.org/I2802885015"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057547358","display_name":"Simona Halunga","orcid":"https://orcid.org/0000-0001-7028-3921"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Simona Viorica Halunga","raw_affiliation_strings":["Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania"],"raw_orcid":"https://orcid.org/0000-0001-7028-3921","affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5092317224"],"corresponding_institution_ids":["https://openalex.org/I4210152900","https://openalex.org/I61641377"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":1.3778,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.80012238,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"16","issue":"2","first_page":"209","last_page":"209"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12495","display_name":"Electrostatic Discharge in Electronics","score":0.9994000196456909,"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/T12495","display_name":"Electrostatic Discharge in Electronics","score":0.9994000196456909,"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/T11444","display_name":"Electromagnetic Compatibility and Noise Suppression","score":0.9955999851226807,"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/T11851","display_name":"Electromagnetic Compatibility and Measurements","score":0.9855999946594238,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tempest","display_name":"Tempest","score":0.8377529978752136},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7438927292823792},{"id":"https://openalex.org/keywords/eavesdropping","display_name":"Eavesdropping","score":0.675391674041748},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4478677809238434},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.43620896339416504},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.40898266434669495}],"concepts":[{"id":"https://openalex.org/C2776971686","wikidata":"https://www.wikidata.org/wiki/Q2213174","display_name":"Tempest","level":2,"score":0.8377529978752136},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7438927292823792},{"id":"https://openalex.org/C2776788033","wikidata":"https://www.wikidata.org/wiki/Q320769","display_name":"Eavesdropping","level":2,"score":0.675391674041748},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4478677809238434},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.43620896339416504},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.40898266434669495},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/sym16020209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16020209","pdf_url":"https://www.mdpi.com/2073-8994/16/2/209/pdf?version=1707468260","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:408abc23cc9747a2a25434515ec2e369","is_oa":false,"landing_page_url":"https://doaj.org/article/408abc23cc9747a2a25434515ec2e369","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry, Vol 16, Iss 2, p 209 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/sym16020209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16020209","pdf_url":"https://www.mdpi.com/2073-8994/16/2/209/pdf?version=1707468260","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4391684222.pdf"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W117146859","https://openalex.org/W1508405815","https://openalex.org/W1538973830","https://openalex.org/W2027464585","https://openalex.org/W2114636141","https://openalex.org/W2614340175","https://openalex.org/W3042788327","https://openalex.org/W3094324482","https://openalex.org/W3095235459","https://openalex.org/W3098969465","https://openalex.org/W3130423588","https://openalex.org/W3136866795","https://openalex.org/W4206350311","https://openalex.org/W4225763457","https://openalex.org/W4237988561","https://openalex.org/W4312804819","https://openalex.org/W4361730829","https://openalex.org/W4362500578","https://openalex.org/W4386630959","https://openalex.org/W4387486676","https://openalex.org/W4387487287","https://openalex.org/W4387885891","https://openalex.org/W4388523389"],"related_works":["https://openalex.org/W1972682134","https://openalex.org/W654875660","https://openalex.org/W2567474238","https://openalex.org/W4250362292","https://openalex.org/W1540323494","https://openalex.org/W2040551580","https://openalex.org/W2986583784","https://openalex.org/W2143620301","https://openalex.org/W2475787716","https://openalex.org/W2988893129"],"abstract_inverted_index":{"The":[0,59,92,120,141,182],"information":[1,27],"technology":[2,12],"and":[3,10,39,52,135,219,223],"communication":[4],"(IT&C)":[5],"market":[6],"consists":[7],"of":[8,19,25,61,94,127,138,144,188,228],"computing":[9],"telecommunication":[11],"systems,":[13],"which":[14],"also":[15,209],"include":[16],"a":[17,33,81,133,136],"variety":[18],"audio":[20,47,90,170,190],"devices.":[21,91],"Preserving":[22],"the":[23,95,108,125,149,161,177,186,189,197,212,226],"confidentiality":[24],"transmitted":[26],"through":[28],"these":[29,217],"devices":[30,48,63,159,218],"stands":[31],"as":[32],"critical":[34],"concern":[35],"across":[36],"various":[37],"domains":[38],"businesses.":[40],"Notably,":[41],"spurious":[42],"electromagnetic":[43,165],"emanations":[44],"emitted":[45],"by":[46,112,115,176],"can":[49],"be":[50],"captured":[51],"processed,":[53],"potentially":[54],"leading":[55],"to":[56,84,106,155,163,225],"eavesdropping":[57],"incidents.":[58],"evaluation":[60],"electronic":[62,131],"for":[64,89,216],"potential":[65,109],"security":[66],"vulnerabilities":[67],"often":[68],"involves":[69,185],"employing":[70],"Transient":[71],"Electromagnetic":[72],"Pulse":[73],"Emanation":[74],"Standard":[75],"(TEMPEST)":[76],"technology.":[77],"This":[78,172,200],"paper":[79],"introduces":[80],"novel":[82],"approach":[83,97,202],"TEMPEST":[85,102],"testing":[86,213],"specifically":[87],"tailored":[88],"outcomes":[93],"proposed":[96,183],"offer":[98],"valuable":[99],"insights":[100],"into":[101,124],"equipment":[103],"testing,":[104],"aiming":[105],"mitigate":[107],"risks":[110],"posed":[111],"threats":[113],"exploitable":[114],"eavesdroppers":[116],"in":[117,196],"everyday":[118],"scenarios.":[119],"present":[121],"work":[122],"delves":[123],"examination":[126],"two":[128],"ubiquitous":[129],"global":[130],"devices:":[132],"notebook":[134],"pair":[137],"in-ear":[139],"headphones.":[140],"symmetrical":[142],"framework":[143],"this":[145],"study":[146],"arises":[147],"from":[148],"intrinsic":[150],"similarity":[151],"that,":[152],"despite":[153],"belonging":[154],"distinct":[156],"categories,":[157],"both":[158],"possess":[160],"capability":[162],"emit":[164],"emissions":[166],"that":[167],"contain":[168],"compromised":[169],"signals.":[171],"assertion":[173],"is":[174],"substantiated":[175],"measurement":[178],"results":[179],"presented":[180],"herein.":[181],"methodology":[184],"analysis":[187],"amplitude":[191],"modulation":[192],"(AM)":[193],"demodulated":[194],"signal":[195],"frequency":[198],"domain.":[199],"innovative":[201],"not":[203],"only":[204],"mitigates":[205],"operator":[206],"fatigue":[207],"but":[208],"significantly":[210],"reduces":[211],"time":[214],"required":[215],"instrument":[220],"running":[221],"hours":[222],"leads":[224],"development":[227],"new":[229],"applications.":[230]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}