
ToyAI
Platform
Seamlessly bridging physical toys with intelligent real-time conversational AI.
Smart Toys / Consumer AI
Industry
BLE GATT Profile
Bluetooth Protocol
Whisper + GPT-4o
ASR & LLM
ElevenLabs (5 Personas)
TTS Engine
Physical Meets Conversational
Discovery & BLE Audit
Reverse-engineered the toy's BLE GATT profile, mapped characteristic UUIDs, and identified channels for motor, microphone, and LEDs.
AI Pipeline Design
Built a streaming audio pipeline combining Whisper ASR, streaming GPT-4o response, and ElevenLabs child-friendly expressive TTS.
UX Research & Design
Conducted usability testing with children 4–9 to build a playful child-centric UI alongside a secure parental dashboard.
Comprehensive Technical Framework
BLE GATT Communication
Custom GATT service characteristics for sub-200ms auto-reconnecting, low-latency audio transmission, and child-safe radio signals.
Voice Capture & Whisper ASR
On-device VAD (Voice Activity Detection) streams optimized raw voice to Whisper API with intelligent child speech noise filters.
Conversational GPT-4o
Carefully calibrated child prompt safety guardrails ensuring age-appropriate answers, educational lessons, and absolute safety.
Expressive Voice Playback
ElevenLabs text-to-speech utilizing adventurer, storyteller, scientist, musician, and chef personas with real-time LED blinking sync.
Parent PIN Dashboard
Gated panel showing comprehensive audio transcript summaries, time limit settings, topic blocklists, and emotional development charts.
Offline Fallback Mode
Built-in SQLite cache carrying over 200+ offline scenarios. Toy stays interactive during airplane travel or standard network dropouts.
14-Week Impact
4.8★ rating average across iOS App Store & Google Play Store
92% retention rate at 30 days (up from 34% silent play benchmark)
Sub-180ms end-to-end voice processing and streaming latency
100% COPPA and safety standard compliant with zero data storage
99.1% BLE link stability recorded across 3,400+ live beta sessions
62% of children engage in sessions longer than 10 minutes
"My daughter talks to it every single morning before school. She's asked me three times if it's 'real.' That's the best UX feedback I've ever heard."
Sarah M.
Beta User & Parent of a 6-year-old


