Vincent Chen Email & Phone Number

台灣 新竹縣市

- Android audio framework, HAL and ALSA driver porting and development.- Analyzed and tracked audio low-power for playback/recording scenarios (MT6582, MT6592 project).- MT6595 chip bring up. Verified audio subsystem function including Memory, PCM, I2S, ADDA, DAI, Uplink/Downlink path, ASRC, APLL, Digital/analog MIC and PMIC function.- Verified audio subsystem IP of MT6735 in FPGA platform.- Developed audio factory auto-testing to minimize the production time and costs.(speaker, receiver, microphone, vibrator loopback test)- Built Android CAT (CTS Audio Quality Test) certification and submit report to Google site. (Android One project, MTK first Google project)

■ 2G mobile project- Designed audio/speech processing IPs including AGC, DRC, SRC, PEQ and NR for baseband chip. (Matlab, C)- Designed FIR/IIR filters to solve varied audio/ speech quality problems.- Integrated audio Pre/post-processing function and supported customer issues.- Developed and maintained multimedia audio playback/recording module for feature phone.- Served customers to calibration audio/speech quality. (Audio Precision, dScope)- Led a team of 3 members to develop software Audio Mixer System for multi-track mixing application.- Developed FM middleware module in feature phone.- Integrated SBC encoder and designed new middleware architecture of BT A2DP playback.- Audio block FPGA verification and chip bring-up.Achievements- 4 short-term awards

■ PMP/DTV Project - Developed architecture of audio engine and implemented audio driver (ADC/DAC, audio DMA) for PMP and DTV chip.- Porting audio codec (WMA, Ogg Vorbis, HE-AAC, ADPCM) and optimizing code size/performance in MIPS platform for PMP and DTV chips.- Designed and implemented noise reduction and speech enhancement algorithm for MP3 player.- Executed certification process of WMA decoder conformance test.- Developed audio effect algorithms (Reverb, Loudness level, DRC, Bass enhancement, Surround).- Integrated 3rd-party solution such as BBE ViVA and SRS WoW for DTV and PMP chip.■ DPF Project- Developed multimedia browser for digital photo frame chips delivered to LG, Toshiba and Philips.- Optimized JPEG decoder. (C and MIPS assembly)

- Maintained audio DSP block and audio driver. (DVD player SoC project)- Maintained DTS decoder for DVD player chip. (ADSP-2181 DSP assembly code)- Developed Audio Pitch Shifting IP (C fixed-point Model, DSP assembly)- Porting Nintendo NES2A03 Audio Processing Unit emulator to STB platform. Implement MATLAB model and ADSP-2181 DSP firmware.

Master'S Degree, Electrical Engineering

Bachelor'S Degree, Electrical Engineering