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Sound Alert Detector for Deaf Users

Phone vibrates and flashes for doorbells, alarms and crying babies.

Intermediate14h1–2 people17/20 fit
TL;DR

Build Sound Alert Detector for Deaf Users for deaf and hard-of-hearing people in ~14h with 1–2 people. Stack: Transformers.js + Web Audio + React Native.

Why it wins: Accessibility with on-device AI.

Build flow

01 · Problem
Deaf people miss important sounds at home.
02 · Solution
Classify sounds on-device with a small audio model and send visual and vibration alerts with sound type.
03 · Build
  1. 1Capture audio
  2. 2Run classifier
  3. 3Trigger alerts
  4. 4Add custom sounds
04 · Demo
Ring a doorbell sound and show the alert.

MVP checklist

  • Sound classes
  • On-device classifier
  • Visual alerts
  • Custom sounds

Tech stack

TechRole
Transformers.jsOn-device ML models
Web AudioAudio analysis + synthesis
React NativeMobile app

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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