About
Hi, I'm Yein Yi. I graduated from Chungnam National University and now build AI agents at Grinda AI.
Work Experience
An Acoustic Modem That Talks Without a Network
Keeps working with background noise or music playing · FFT-based tone detection recovers the signal cleanly even amid ambient sound
Encodes arbitrary Unicode with just 18 pure tones · confirmed real-time send/receive using nothing but a speaker and a microphone

“A Client-Side Screen Sharing System with User-Defined Regions” — First-Author Paper
KIISC CCC 2025
Research supported by the Information Security Specialization University program of the Ministry of Science and ICT and the Korea Internet & Security Agency.

2025 CNU SW/AI Project Fair
Daejeon, Chungnam National University
Placed 2nd out of 85 teams with “Privacy-Preserving Real-Time Screen Sharing” (team CTR), winning the Excellence Award. Presented by the Dean of the School of Computer Science and Engineering, CNU (No. CSE-2025-06-03).




