Development and planning for audio system for cars

Acoustic Engineer and CAE Engineer (선임연구원)-Evaluated acoustic noise and vibration for EV chargers including establishing the measurement process-CAE simuation for Noise and Vibration analysis -Audio EQ tuning and researching on audio solution for LG monitors

- DSP algorithm development and enhancement for directional speakers- DSP algorithm optimization for conventional and electrical vehicles

- Project name: Microphone calibration system- Designing measurement microphone calibration system with B&K equipment and LabView system corresponding to IEC requirement

- Established profiling strategies for CPU performance of 5G NR paging components- Languages used : C++ for the system and Javascript/Python for test script- Systems used: Linux, GIT, Jenkins- Management tools used: JIRA

- Investigated houses near railroad before installing the noise proof barrier fence (worked once a week and mainly used Swedish language)

- Reported audio and call quality issues to developers with the corresponding logs - Established test plans for subjective and objective call performance including noise cancellation and echo suppression test - Established procedures for Voice-over-LTE (VoLTE) performance test and participated in the initial acoustic measurement at the anechoic chamber using Rohde & Schwarz UPV Analyzer and B&K Head and Torso Simulator for Verizon wireless - Verified CDMA, GSM, LTE, Wi-Fi, and GPS… Show more - Reported audio and call quality issues to developers with the corresponding logs - Established test plans for subjective and objective call performance including noise cancellation and echo suppression test - Established procedures for Voice-over-LTE (VoLTE) performance test and participated in the initial acoustic measurement at the anechoic chamber using Rohde & Schwarz UPV Analyzer and B&K Head and Torso Simulator for Verizon wireless - Verified CDMA, GSM, LTE, Wi-Fi, and GPS performance of the mobile platforms- Involved projects : Galaxy S3 ~ Galaxy S7, Galaxy Note 2 ~ Galaxy Note 5- Tools used: QXDM, QACT, Wireshark, Android Debug Bridge- Network technologies: CDMA, WCDMA , GSM, LTE, VoLTE, IMS, GPS, WiFi, Bluetooth Show less

- Involved in development of professional recording devices- Repaired microphones, monitor speakers, and audio interfaces- Translated manuals of recording devices from English to Korean or vice versa