Library

The science under the room.

Plain-language explainers of what sound therapy is, what the research shows, and what each recipe is doing under the hood. Read before, during, or never.

PRIMER

6 min read

What is sound therapy?

The 2,500-year tradition behind the bowls, the 21st-century research that gives it teeth, and what it can and can't actually do for you.

SCIENCE

5 min read

How binaural beats actually work

Two pure tones, slightly detuned, one in each ear. Your brain hears a third tone that isn't there — and it can drag your brainwaves with it.

SCIENCE

7 min read

Brainwaves, explained

Delta, theta, alpha, beta, gamma — what each EEG band actually corresponds to in cognitive states, and how each AmberRoom recipe maps to one.

SCIENCE

5 min read

Noise colors — white, pink, brown

Different kinds of background sound for different jobs. Which one wins for sleep, focus, masking — and why the recipe inspector lists a color.

SCIENCE

6 min read

Why every recipe has a pulse

Slow-breathing entrainment, cardiac coherence, and the BPM number in the recipe inspector. The evidence base behind 6 breaths per minute.

TRANSPARENCY

4 min read

What's actually in your headphones

The four sound layers — bowls, ambient pad, frequency therapy, voice — and why each is there. Honest about which the research backs.

BIBLIOGRAPHY

8 min read

What's actually behind each recipe

Every citation with honest evidence-strength labels and outbound links to the source papers. Including the recipes where the evidence is weaker than we'd like.

HOW TO

4 min read

Room mode — set up on a TV or speakers

AirPlay, Chromecast, HDMI, Bluetooth — what works for casting AmberRoom to a TV or sound system, and which transport fits which room.

REFERENCE

5 min read

Glossary, defined

Brainwave bands, binaural beats, noise colors, resonant breathing, HRV, solfeggio, and AmberRoom-specific terms — defined in plain language.

EVIDENCE SUMMARY

7 min read

Sound therapy for ADHD focus

Brown noise really does help ADHD focus — that's a real, replicated finding. Binaural beats are mixed. None of it replaces medication. The honest evidence summary.

EVIDENCE SUMMARY

8 min read

Sound therapy for chronic pain

What sound therapy can and can't do for chronic pain. Music-distraction, 40 Hz gamma, vibroacoustic, binaural beats — sorted by evidence tier. Honest about why we haven't shipped a pain recipe yet.

EVIDENCE SUMMARY

7 min read

Is sound therapy safe during pregnancy?

Moderate-volume listening is safe; specific therapeutic claims work the same way they do outside pregnancy. Skip the belly-headphones fad. Honest answers for expecting parents.

ROADMAP

3 min read

Wearable integration

How HRV-based personalization will work when the wearable connectors ship in Q3 2026. Currently a roadmap surface.

Guides & references

Pick by what you need.

Buying guides comparing every option in the category, app-by-app comparisons against the rest of the sound-therapy market, and dedicated landings for specific symptoms.

BEST-SOUND GUIDE

Best sound for sleep

Pink noise vs brown vs sleep stories vs binaural beats vs silence. Honest survey, evidence-tiered, with a quick guide by sleep problem.

BEST-SOUND GUIDE

Best sound for focus & deep work

Brown noise vs lo-fi vs classical vs functional-music apps vs silence. Pick by brain pattern; the ADHD evidence has a clear winner.

BEST-SOUND GUIDE

Best sound for anxiety

Resonant breathing vs theta binaural vs bowls vs guided meditation. Pick by anxiety type — acute event, panic-edge, long-term practice.

COMPARISON

AmberRoom vs Calm vs Headspace vs Endel vs Brain.fm

Honest side-by-side of the major sound-therapy and meditation apps. What each is actually for — including what AmberRoom isn't good at.