Wave
v1.1 — Adaptive Audio Features
Concept
- StillState: Reclaiming silence and rest in shared or noisy environments through intelligent, adaptive audio
- FlowState: Achieving and maintaining a “Steady State” of focus through task-linked audio and genetic evolution
Quick Facts
| Status | v1.1 — Adaptive Audio Features |
| Language | Swift (SwiftUI) |
| Started | 2026 |
What This Is
Wave is an evolutionary ambient audio ecosystem designed to manage the user’s sensory environment across rest and work.
- StillState (Watch): An adaptive sleep sounds app for Apple Watch with personalized frequency calibration, heartbeat synchronization, and microphone-based environmental monitoring.
- FlowState (Mac): A productivity-focused menu bar app that links procedural audio to active tasks and a genetic evolution system (planned).
StillState Features
- Procedural Noise Engine: White, brown, and blended noise with live hot-swap
- Binaural Beats: 5 presets plus custom parameters with noise bed compositing
- Ear-Print Calibration: Interactive 10-step frequency sweep (20 Hz - 8 kHz) with personalized +4dB bias
- Heartbeat Synchronization: 4 BPM presets (50-65 BPM) with conservative 5-8% amplitude modulation
- Adaptive Masking: Microphone-based ambient noise monitoring with vDSP-accelerated analysis, dynamic volume adjustment (1.0-1.5x)
- Sleep-Optimized UI: Large touch targets, Bluetooth-only routing, indefinite background playback
Audio Architecture
Base Generator (White / Brown / Blended)
└─ BiasedNoiseGenerator (if calibration enabled)
└─ HeartbeatModulatedGenerator (if enabled)
└─ AdaptiveMaskingGenerator (v1.2)
└─ BinauralBeatsGenerator (optional)
All wrappers use pre-allocated buffers with lock-free parameter reads — no allocations in the audio thread.
Milestones
v1.0 MVP (Shipped Feb 8, 2026) Procedural audio synthesis, binaural beats, overnight reliability, Bluetooth routing, sleep-optimized UI.
v1.1 Adaptive Audio Features (Shipped Feb 9, 2026) Ear-print calibration, heartbeat synchronization, microphone monitoring infrastructure, adaptive masking foundation.
v1.2 Polish & Validation (In Progress)
- Full adaptive masking algorithm (FFT frequency analysis, dynamic volume/frequency adjustment)
- Hardware battery validation (target: <15% drain/hour with all features)
- TestFlight distribution setup
Roadmap:
- v1.3 Distribution & Enhancement — Advanced adaptive sensitivity, user feedback integration
- FlowState (macOS) — Genetic system integration, audio DNA evolution, flow-locking with task coupling, pomodoro synchronization
Tech Stack
Swift (SwiftUI, AVAudioEngine, Accelerate/vDSP), watchOS, CoreAudio, HealthKit