ArgoBeat
Brainwave-inspired audio synthesis for focus, sleep, and creativity
ArgoBeat — Brainwave-Inspired Audio
ArgoBeat generates brainwave-inspired audio on-the-fly, directly in your browser. No signup, no tracking, no costs.
How It Works
ArgoBeat uses two common audio techniques often associated with brainwave-oriented listening tools:
Binaural Beats
Two slightly different frequencies (e.g., 200Hz and 210Hz) played in opposite ears create a phantom beat frequency (10Hz) that some listeners use as a focus or relaxation aid.
Best for: Meditation, sleep, subtle entrainment Requires: Headphones
Isochronic Tones
A single tone pulses on/off at your target frequency (e.g., 10 times per second).
Best for: Focus, engagement, active sessions Requires: Speakers or headphones (flexible)
Modes
| Mode | Frequency | Use Case | Duration |
|---|---|---|---|
| Focus | 10 Hz (Alpha) | Reading, detail work, calm concentration | 25 min |
| Work | 14 Hz (Beta) | Meetings, coding, active tasks | 45 min |
| Deep Work | 18 Hz (Beta) | Sustained focus, complex problem-solving | 90 min |
| Sleep | 2.5 Hz (Delta) | Rest, bedtime wind-down, sleep routines | 30 min |
| Relax | 8 Hz (Alpha) | Wind down, destress, meditation | 20 min |
| Meditate | 6 Hz (Theta) | Mindfulness, introspection, peace | 20 min |
| Creative | 7 Hz (Theta) | Artistic expression, novel ideas, flow | 30 min |
| Play | 12 Hz (Alpha/Beta) | Games, engaged fun, light focus | 15 min |
Soundscapes
Each mode comes with a procedurally-generated ambient soundscape:
- Rain — Gentle rainfall with bright droplets and deep rumble — three layers of procedural synthesis
- Forest — Rustling canopy, birdsong, and wind through branches — three layers of natural ambience
- Ocean — Wave surges, foam hiss, and deep undertow — three layers of coastal rhythm
- Cafe — Murmured conversation, clinking cups, and ambient hum — three layers of coffeehouse atmosphere
- Fire — Sharp crackle, steady roar, and warm rumble — three layers of hearthside warmth
- Space — Stellar shimmer, deep drone, and cosmic whisper — three layers of ethereal vastness
All soundscapes are generated on-the-fly using Web Audio API synthesis — no audio files, no bandwidth costs.
Audio That Never Repeats
ArgoBeat uses prime-length noise buffers (29s, 31s, 37s per layer) that loop independently. The combined audio doesn't repeat for over 9 hours. Combined with dynamic filter evolution that slowly sweeps frequencies on 35-90 second cycles, every moment sounds unique.
Session Tracking
ArgoBeat tracks your listening history locally in your browser (never sent to any server):
- Total sessions completed
- Total minutes listened
- Per-mode breakdown
- A gentle chime plays when your session completes
AI Music Generation (New in v1.1)
ArgoBeat can optionally generate unique, professional-quality instrumental music for each session using AI, instead of ambient soundscapes.
How It Works
- You press Play — the ambient soundscape starts instantly (no waiting)
- In the background, ArgoBeat generates unique music tailored to your mode
- When the music is ready (~30-60 seconds), it crossfades in smoothly
- The soundscape ducks to a subtle background texture
- Every session gets completely different music
Audio Source Modes
- Soundscape (default) — Procedural ambient sounds (rain, ocean, etc.)
- Music — AI-generated instrumental music only
- Both — Music with subtle soundscape texture underneath
What Makes It Special
- Fresh variety — every session generates unique music (rather than cycling through a small fixed catalog)
- Mode-aware — Focus gets calm piano at 72 BPM, Sleep gets ethereal pads at 50 BPM
- Free — runs on a local music server, no subscription needed
- Cached — generated tracks are saved for instant replay next time
Requirements
AI music generation requires a music generation server (like MusicGen) running locally or remotely. Without a server, ArgoBeat uses its built-in synthesized soundscapes — which work great on their own.
Settings
Entrainment Method
- Isochronic (recommended) — Works on speakers and headphones
- Binaural — Requires headphones for proper L/R separation
- Both — Layers both methods for a stronger audible effect
Volume Controls
- Master — Overall output level
- Entrainment — Beat prominence vs background
- Soundscape — Ambience level
- Music — AI-generated music level (when enabled)
Science
ArgoBeat's frequency presets are informed by commonly referenced research on binaural beats, isochronic tones, and attention or relaxation states:
- Wahbeh et al. (2007) — Studied binaural beats and anxiety outcomes
- Jirakittayakorn et al. (2017) — Explored isochronic tones and attention-related effects
- Becher et al. (2015) — Examined entrainment and alertness
Research in this area is still evolving, and results can vary from person to person. ArgoBeat is intended as a wellness, focus, and relaxation tool — not a medical device or treatment.
Tips
- Use headphones for best results with binaural beats
- Start with Focus mode (10Hz alpha) if you are new to entrainment
- Sit comfortably — avoid stimulating activities during sessions
- Stay consistent — regular 25-minute sessions can help you build a routine
- Experiment — different modes work better for different people and times of day
Privacy and Cost
ArgoBeat is 100% client-side — all synthesis happens in your browser. Nothing is tracked, stored, or charged.
Browser support: Chrome, Firefox, Safari 14.5+, Edge (any modern browser with Web Audio API support).
Last Updated: 2026-03-20