Technology Deep Dive

The App

Advanced AI snore detection, adaptive sound masking, and Bluetooth phase-cancellation — all running on-device, offline, private.

Android 8.0+ Offline-only AI No account required No audio recorded
AI Snore Detection
Detection Engine

AI Snore Detection

SnoreGuard AI listens in 32 ms windows and computes a 17-band log-spaced power spectrum (40–2000 Hz). Each frame is cosine-similarity scored against a stored snore fingerprint built from the first session.

  • 17 log-spaced frequency bands for snore fingerprinting
  • Cosine-similarity — phone/mic-agnostic accuracy
  • Zero-crossing gate rejects speech, TV noise, traffic
  • Adapts to your partner's unique pattern over time
  • Single stable model per session — no retraining
Smart Sound Masking
Masking Engine

Adaptive Sound Masking

When snore detection confidence exceeds the threshold, masking audio ramps up smoothly over 1.5 s. When silence returns, it fades back in under 3 s — so you never hear jarring jumps.

  • Brown noise base layer — warm, natural, sleep-safe
  • Rain, White Noise, Ocean Waves (Premium)
  • Smooth ramp-in & ramp-out — no abrupt changes
  • Volume follows ambient noise level automatically
App Tour

Every screen at a glance

SnoreGuard AI app screens: Listening, Snore Detected, Insights, Premium, Subscription
Works with Headphones
Phase Cancellation

Works with headphones

For users who sleep with earphones, the optional cancellation path inverts the 40–800 Hz snore band and plays it at your ears only — creating destructive interference that dampens the snore sound directly.

  • Band-limited inversion — 40–800 Hz only, preserves room audio
  • Gated output — plays only while snore is detected
  • Bluetooth A2DP + wired headphones supported
  • Separate path from speaker masking — mix both if you like
Privacy First
Privacy Architecture

Zero cloud, zero recordings

SnoreGuard AI was designed from day one around on-device processing. There is no network call for bedroom audio — the mic stream never leaves the foreground service.

  • Audio frames processed in memory and immediately discarded
  • Sleep stats stored in a local SQLite database
  • No advertising SDKs · no analytics SDK
  • No SnoreGuard AI account required for core features
  • Delete all data from Android Settings any time
Read Privacy Policy →

Try the technology tonight

Download SnoreGuard AI free. Core detection and brown-noise masking included forever.

Get it on Google Play View Pricing