JD SOLUTION Company Introduction JD SOLUTION Company Profile 2020 Sound Changing the World Sound Solution Specialty Companyengaging in Smart Sound business Which is safe, convenient, and useful for disaster based on product and service applied with clear/directional soundwave technology JD SOLUTION Company Profile 2020 CONTENTS 01 Company Overview 02 Technology & Strength 03 Brand & Business 04 Reference JD SOLUTION Company Profile 2020 01 Company Overview JD SOLUTION Company Profile 2020 JD SOLUTION Company Profile 01 General Status Company Company JDSolution Overview Name CEO JeYoung-ho Dateof( Jul.10,2009 Foundation • High-powered:Tunnel/Plant/ Mobility,etc. Business( • Superdirectional :Smartsecurity/traffic( Area light,etc. No.of( 28 (Asof2020) employees Capital 1,821,672,000 KRW(Asof2020) Organizational Chart CEO Vice-president Management0 supportdept. New0 Technolo Quality Distributi Ship Strategy Sales Production growth0 gy Manage on0 marine0 Planning0 business0 research0 headqua Manageme headquar business0 dept. rters nt0dept. ment0 dept. institute dept. ters dept. JD SOLUTION Company Profile 01 (2) Company History Company Overview 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 · HyundaiMotors DirectionalSpeakersystemdevelopmentcompleted · Walkingvoiceguidancesignalassistancedevice Excellentprocurementproductregistration · Hadong Plantdirectionalwarningbroadcastingsystem 2020 · Developed and supplied ·Selected as a product with the safety broadcast the highest level of system for tunnels clarity among the 2019 · Signed cooperation emergency broadcast · Participated in CES agreement for co- speakers for tunnels · Carried out project related to developing technologies · Supplied emergency safety such as tunnel, power for broadcast speakers to plant, etc. company D’s intelligent Busan Outer Ring ·Joint development & vessel system Expressway commercialization related to · Supplied high-powered · Developed Sound Tag Smart City · Developedsuper- speakers overseas system utilizing super- 2017 ·Designated as the business for directionaltechnology · 1st commercialization of directional speakers 2018 developing · Developedautomatic- super-directional sound-wave payment system typesoundwave) speakers 2015 ·Manufactured super- for sound tag based bus fare transmitter · Attracted overseas capital directional (Korea Agency for · Developedbirdrepellant) investments loudspeakers in a Infrastructure Technology system 2016 smaller size for 2nd Advancement) (MinistryofGovernment) 2013 round of AdministrationandHome) commercialization Affairs) · Selected for business developing · Super-directional speaker 2014 super-directional speaker system adopted as 2011 components (NANO2020 project) company H’s · Established partnership with automobiles · Received 3 Million Dollar Denmark’s AUDIOWISE Export Tower Award · GOOD DESIGN 2018 · Developed and supplied high- WINNER 2012 · Selected as the company powered directional speakers for that produces super- automobiles (Korea Expressway ·Developed world’s first directional speakers for Corporation) sound based crosswalk safety system Piracy defense system · Attracted KDB’s capital 2010 · Notification broadcast at investments · Developedsoundwave0 bus stops (Seoul city) transmitter · Obtained venture · Establishedcompany’sannex0 business certification researchinstitute 2009 ·FoundedJDSolution JD SOLUTION Company Profile 01 (3) Global Network Company Overview Exclusive sales Partner Denmark China Japan Taiwan Thailand Malaysia Indonesia JD SOLUTION Company Profile 01 (4) Partners Company Overview TrafficSafety Automobiles Security IT/Electronics/Communication Shopping/Entertainment SmartHome/Healthcare JD SOLUTION Company Profile 01 (5) Awards Company 10.May Overview 2021 ExcellenttechnologyTBCT-2grade 20201 31.Nov • ExcellenttechnologyTBCT-2grade 2020 Excellentprocurement0 excellentproductdesignation 2020 • Excellentprocurementexcellentproductdesignation 2019 31.Oct 2018/2019 GoodDesignWinner • GoodDesignAwardWinnerfor2consecutiveyears 2015 • ReceivedQingdao(China)technologyexpertmember 31.Oct 2018 GoodDesign Winner appointmentcertificate ReceivedGlobalServiceAward 2014 Jul.230 • ReceivedVentureVitalizationMeritoriousAwardfrom( 2015 ChinaQingdao0 Technologyexpertmember0 thePresident appointmentcertificate • Received3MillionDollarExportTower 2013 Nov.27 Dec.10 • Minister of Trade, Industry and Energy Award at IT 2014 Venturevitalization 3MillionDollar meritoriousaward0 ExportTower0 Convergence Entrepreneur Award fromthePresident Award • ReceivedYoungEntrepreneurAward • ReceivedITConvergenceEntrepreneurAwardofthe( Jul.16 Year( 9thITconvergence0 • ReceivedPresidentialAwardatKoreaCreativeEconomy( entrepreneuraward0 CreativeEconomy0 MinisterofTrade,0 Award Presidential Awards 2013 IndustryEnergyAward Award JD SOLUTION Company Profile 01 (6) Intellectual Property Rights Company Overview ISO9001 INNOBIZ OperationofR&Dorganization QualityManagementCertification inannexresearchinstitute Company 76IntellectualPropertyRights# 36TechnologyPatents 9DesignPatents 31Trademarks (As of 2020) S4_MIL-STD-810G, S4_MIL-STD-810F S4_MIL-STD-461F 167-1A 02 Technology & Strength JD SOLUTION Company Profile 2020 JD SOLUTION Company Profile 02 (1) Possessed Technology and R&D Performance Status Technology & Strength ClarityTechnology DirectionalTechnology SoundTag SystemConvergenceTechnology • Compresseddriverdesign( • Mixeddesigntechnology • DSPbasedsoundplatform • Intelligentsystem( technology • Piezo-electricelementtechnology• Spacerecognition&person( Discriminationalgorithm • Soundsynchronization( • Signalprocessingalgorithm detection(SoDAR technology • SItechnology technology • Microphonearraytechnology (SoundDetection&Ranging) • Amplifiertechnology • Sound Tag SDKforMobile/PC R&D Performance & Commercialization Performance • Jan.2010~Dec.2011:High-powereddirectionalspeaker • Jan.2010~Dec.2013:Super-directionalspeaker • Jan.2012~Dec.2013:Intelligentsecuritysurveillancesystem • Jul.2014~Jun.2016 :Globalsystembasedonsuper-directionspeakerstoassistthemobilityhandicappedboardorunboardavehicleandprovide( navigationinformation(MinistryofScience,ICTandFuturePlanning) • May2015~Dec.2016 :Voice-guidedinformationsystemfortunnelsafetyandaccidentcontrol • Jun.2016~May2019:DevelopedPFCsuper-directionalspeakerutilizinganenvelope-typesignalprocessingalgorithmandnano(patterntranscription( technology(Nano-Convergence Foundation) • Apr.2019~Dec.2021(Ongoing) :Developmentofsoundtag-basedCardlessbusfareintegratedautomaticpaymentsystem(KoreaAgencyfor InfrastructureTechnologyAdvancement) • Dec.2019~Oct.2021(Ongoing):Developmentofsuper-directionalspeakersystemforautomobilesforplayingcoherentsoundsource(HyundaiMotors) • Mar.2020~(Ongoing) :RegistrationofexcellentprocurementbyPublicProcurementServiceregardingsmartcrossingsafetyvoiceguidanceauxiliary device JD SOLUTION Company Profile 02 (2) Super-directional sound wave technology Technology Itpredictsaudiosignalplayinginairandmodulatesultrasonicwave(40kHz)sothatthesignalcanbemadeintononlinearenvelope & Strength AMP Speake Ultrasonicwave(r Soundsource Signalprocessor Returned40kHz Amplifier( Person’sear converter Predictionof( Modulated( Wavelength( Nonlinear( Digitalsignal Dischargeinair waveforminair ✓ signal amplification demodulation Principle of super-directional sound wave technology • Soundsourceplayingpart:Analyzessoundsourceandpredictswavepatterninwhichaudiosignalformsintheair • Amplifier:Modulatesandamplifiesusing40kHzsothatpredictedwavepatterncancomeoutintheformofanenvelope • SpeakerDischargesmodulatedsoundsourcesignalintheair • Person’sear: Aperson’searcannothear40kHzasitisaninaudiblerange,andhearsonlywavepatternmadeinenvelopeform (Aperson’searautomaticallyfiltersoutinaudiblerange(40kHz)andrecognizesonlysound) JD SOLUTION Company Profile 02 (3) Distinctiveness of Super-directional Technology Technology & Strength JD SOLUTION (KOREA) Tur tleBeach (US) Successfullycommercializedsuper-directionalspeaker! No.1 envelope No.2 envelope calculator square root calculator adaptation filter moduli value renewer pre- Non-linear distortion ultrasonic wave ultrasonic ultrasonic demodulation (in air) adaptation dynamic VSB converter wave wave filter modulation model amplifier converter VSB(VestigialSideBand)#modulationmethod SSB(SingleSideBand)modulationmethod • Calculatesmodulivalueappliedtopre-distortionadaptationfilter • Calculatesidealenvelopemodulationsignalwavepattern(alarge( (fastcalculation)( amountofcalculation) • Calculatesadaptationfiltermodulivalueandappliesittothe( • Calculateserrorbycomparingwithactuallymodulatedsignal currentinputsignal • Compensatesthedistortionofthesoundqualitybyrepeatingthe( • DynamicVSBmodulation processofcompensatingthesignalbeforemodulationseveral( • Appliesmodulivaluesuitableforultrasonicwaveconverter times( characteristic Advantages Drawbacks • • Applies pre-distortion compensation in real-time No real-time compensation on high frequency distortion, poor • Simplifies design hardware (price competitiveness) sound quality • • Improves super-directional speaker sound quality with VSB method Hardware design is very complicated • Increase in delay due to signal processing • High distortion due to incompleteness of SSB filter JD SOLUTION Company Profile 02 (3) Distinctiveness of Super-directional Technology: non-audible sound wave technology based sound tag Technology & Strength Principle#of#sound#tag#technology Itisa“UsefulSoundTechnology’thatcansenddatausingsoundwaveofinaudibleregion(exceeding18~20)usingsuper-direction soundwavetechnologypossessedbythecompany.Itcanbegraftedtovariousindustriesincludingcouponservicefor(