鄭元閔

Experience

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  ASKEY Computer Co. belongs to ASUS group

  Jun 2006 - Jun 2008

  Acoustic Engineer

  Be major in Electro-acoustic component team leader.To testing and tuning component's characteristic in VoIP Phone product to meet international telecommunication criteria (Ex. TIA-810A, TIA-920, HAC, PESQ, 3GPP)Responsibility for Customer ：Cisco Systems Inc, Microsoft Corporation* Acoustical testing & analysis for system level with head acoustic and Microtronix measurement system.* Electronic-acoustic component’s related characteristic test verification with Sunlight, SoundCheck, Brüel&Kjær, G.R.A.S measurement.* Tuning component’s characteristic in VoIP phone to meet international criteria (ex. TIA-810A, TIA-920, HAC, PESQ) with Head ACQUA system, DSLA (PESQ), MicroTronix system.* Electronic-acoustic component and system products’reliability test verification after fine tuned acoustic related characteristic.* Building up electronic-acoustic component inspection capability on IQC* Studying in telecommunication standard criterion (such as TIA/EIA, ETS, FCC, IEEE, ITU.etc.)* Debug acoustic quality issue with objective/subjective test performance evaluation. Show less

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  Merry Electronics Co., Ltd.

  Jun 2008 - Jun 2010

  Acoustic Engineer

  Major in Acoustic component design in Bluetooth earphone/Car-kit device. Telecommunication System 's sound performance tuning and quality control.Responsibility for Customer ：Sony Ericsson Mobile Communications, Motorola Mobility, Inc.* Acoustical testing & analysis for System level with SoundCheck audio analyzer.* Debug acoustic quality issue.* Implement the CSR/CVC tuning parameter tools (AGC, Speaker volume, MIC volume, EQ, IIR, AEC, DMSS, NS) to ensure product meet test criterion including subjective test performance.* Learning measurement method for new technology.* Studied in telecommunication standard criterion (such as ETSI, 3GPP, IEEE, ITU, EN.etc.)* Building up test station for acoustic characteristic inspection on production line.. Show less

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  TPV

  Mar 2010 - Apr 2015

  Audio technical supervisor

  Major in audio circuit design and sound system structure in TV product. Audio Circuit performance measurement and analysis. Responsibility for related audio certification(Dolby/DTS/SRS/Skype audio)Responsibility for Customer ：Philips N.V. , AOC (Admiral Overseas Corporation) , Hitachi* Speaker development and part control management to be used for project on schedule including sample preparing. -- * Cooperating with supplier and ME designer to design speaker unit and fit mechanical structure of TV cabinet. (Speaker supplier： Nanjing, Samco, Neon, New Sunlink, Tai Chang)* Design in optimized audio circuit and layout. * Audio electrical performance verification be qualified with audio precision SYS-2722 and LeCroy oscilloscope and debugging to meet customer’s criteria or OTS standard.* Cooperating with SW team member and IC vendor’s engineer to design audio function of UI on the TV screen and implement AQ parameter. * AQ Sound tuning and do the sound demonstration to customer. * Resolving and debugging AQ related issues from DQE, QA, FOS, Field end, and Customer.* Pre-test for related audio certification and problem analysis with IC vendor's audio engineer to solve and then to get approval letter from certification unit (ex. Dolby, DTS, Skype...etc.) Skype audio issue troubleshooting was in PAL lab.* 2015 start to participation of the development planning and design of OTS SoundBar Show less

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  Fih Mobile Ltd

  Apr 2015 - now

  Senior Engineer in acoustic design Dept.

  Be major in acoustic/audio system development in mobile phone.In charge of mechanical design with acoustic part, audio schematic design, voice quality tuning and sound tuning with micro-speaker. Moreover be responsibility for related Electro-acoustic Communication criteria.(3GPP, TMOS, 3 QUEST) Patent comout – Increase speaker back volume with inter-connected chamber cap and style pattern change in appearance