What Are Binaural Beats?
Binaural beats are an auditory illusion created when two slightly different frequencies are played separately in each ear. Your brain perceives a third tone — the difference between the two — and naturally synchronises to that frequency. This process is called brainwave entrainment.
For example, if your left ear hears 200 Hz and your right ear hears 210 Hz, your brain perceives a 10 Hz beat — which corresponds to the Alpha brainwave state associated with calm, relaxed focus. Binaural beats require headphones to work properly, as each ear must receive a different frequency.
The concept was discovered by physicist Heinrich Wilhelm Dove in 1839. Modern research has studied their effects on anxiety, sleep, focus, pain, and meditation. Thousands of peer-reviewed papers have examined brainwave entrainment and its practical applications.
The 5 Brainwave States
Best Binaural Beats for Every Need
- Binaural beats for sleep: Use Delta (2 Hz) — guides brain to deep sleep stages
- Binaural beats for meditation: Use Theta (6 Hz) — the classic meditation state
- Binaural beats for anxiety: Use Alpha (10 Hz) — dissolves worry and tension
- Binaural beats for focus: Use Beta (20 Hz) or Gamma (40 Hz) for work
- Binaural beats for studying: Use Alpha (10 Hz) or Beta (18 Hz)
- Binaural beats for creativity: Use Alpha (8–10 Hz) — opens creative flow
- Binaural beats for healing: Use Delta (2–3 Hz) with 528 Hz base tone
- Binaural beats for lucid dreaming: Use Theta (6–7 Hz) during sleep onset
Free Binaural Beats — All 5 Brainwave States
aihz.in generates any binaural beat frequency combined with Solfeggio tones and AI configuration. Completely free, works in any browser.
🧠 Start Free Binaural Beat Session