Inkyu Oh
Inkyu Oh

Inkyu Oh

B.A. Musicology, Computer Science & Design @Seoul National University
Backend & AI Engineer at TrueBalance

Cognitive Offloading | Externalized Memory | Everyday Automation

inkyyuoh@gmail.com

Full background (bio)

A real 20-second bedroom recording as a mel spectrogram with five snores outlined, and below it what V1, V2 and V3 each flagged: V1 one long event, V2 four one-second runs, V3 the five snores plus three short false sounds

2026

SnoreLog

  • Audio Processing
  • SleepTech
  • App

Pulls my snoring out of a noisy room's recording and tracks it night by night.

WiFi Atlas — walk through your room and the app maps signal strength in AR. A phone shows 53% Fair at 64ms ping, with the trail of spheres turning from green to purple through a doorway

2026

WiFi Atlas

  • AR
  • Wi-Fi Signal
  • App

Walk your home and see Wi-Fi strength painted onto the room in AR, then as a floor map.

A capture from Instagram is read, tagged and filed into the library, then answered back by name when the library is asked what was saved this week

2026~now

Stash

  • Knowledge Base
  • RAG
  • Chrome Extension

A Chrome capture tool that turns what you save into knowledge — ask an LLM across it and draw out insight.

A small black printed cube clipped to the top right corner of a MacBook lid in an empty lecture hall, a USB cable running down from it, the large dark board at the front of the room behind it

2026

Cyclops

  • IoT
  • OCR

An outward-facing laptop camera that reads the lecture board as copyable text.

Purrtector, a litter box activity tracker and early warning for feline cystitis: the cat-from-behind logo, an ESP32 board, and the phone dashboard's October calendar with a red cross on today, with a crying cat giving a thumbs up in the corner

2025~now

Purrtector

  • Pet Health
  • IoT
  • Monitoring

A litter box activity tracker that watches for feline cystitis: every visit and Milo's weight, logged by a scale under the box.

Onbo program view: a Frontend team setup path at 62%, with completed steps, one in progress, and later steps locked until the previous one is done

2025

Onbo

  • Productivity
  • B2B SaaS
  • Onboarding

Onboarding written once as step-by-step quests, run for every new teammate.

The evaluation pipeline: a student speaks, AssemblyAI transcribes, GPT-4o scores the transcript on complexity, accuracy and fluency, and the result becomes personalised feedback on a dashboard

2024~now

Engcall

  • Speech AI
  • EdTech
  • Web Service

Auto-grades a spoken English lesson from its recording.

Label reading view: a book page with coloured highlights, beside a highlights panel listing each one by page number

2022

Label

  • Productivity
  • OCR
  • Ebook

Your highlights consolidate into a note automatically — then you edit it right in the editor.

2022

Social DRM

  • Security
  • Image Processing

A tool that engraves a QR mark into a document, so a leaked copy traces back to its source.