AES Member Profile

Jay Chul-Jae Yoo

Jay Chul-Jae Yoo

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Audio Fields:

  • Product Design & Manufacturing - Software
  • Consumer - Home
  • Consumer - Car
  • Consumer - Portable
  • Consumer - Internet
  • Product Design & Manufacturing - Hardware
  • Product Design & Manufacturing - Semiconductors
  • Product Design & Manufacturing - Research & Development

Job Duties:

  • Owner/Director
  • Corporate Manager
  • Dealer/Distributor/Representative
  • DSP Engineer
  • Researcher
  • Software Engineer


Jay Chul-Jae Yoo is a member of the Audio Engineering Society and CEO of RADSONE Inc. He developed various kinds of audio decoders and post processing algorithms in LG Electronics and has experience to standardize DAB and DMB in Korea. He managed developing Hi-Fi sound systems for Hyundai-Kia cars in Hyundai Mobis. He founded full stack audio company RADSONE Inc. 2010 which especially developed the adaptive dithering technology DCT.

Non-AES Awards & Award Nominations

KES Innovation Award (best audio product), 2012
LG R&D Award, 2006

Education Background

KAIST MS, Electrical and Electronics Engineering
Seoul National University BS, Electronics Engineering

Employment History

Principal Research Engineer, Hyundai Mobis
Senior Research Engineer, LG electronics

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AES - Audio Engineering Society