Field notes
Articles on ambient sound
Real pages — not popups — about sleep, focus, ADHD, anxiety, meditation, noise colours, mixes, and why a living garden beats a twelve-hour loop. Each piece has screenshots, diagrams, and scenes from the gardens. We publish 69 articles now and add one new piece each day — next on 13 Sep 2026.
How to Use Sound Bubbles
The complete guide: why living gardens exist, how every part of the player works, and exactly how to place, pop, tune, save, and share bubbles.
Guide · How To · Player · 28 min
Why I Built Sound Bubbles: The Breath of Earth & Living Sound
Jaco Smit on chronic anxiety, insomnia, and why ambient apps fail — building organisms that breathe like rain, tides, and night.
Founder · Story · Guide · 16 min
Brown Noise Organism: Deep Calm, Paranoia-Safe Floors & Psychedelic Stacking
Why the default Sound Bubbles garden is built brown-first — masking science, salience, frequency weight, and how to stack rain, crickets, and frogs on a calm floor.
Organisms · Medical · Guide · 38 min
Ambient Sounds for Sleep
Why the night needs a floor of sound — and why a looping track often fails by 3am.
Sleep · Brown · Brown · 24 min
What Is ASMR? The Science of Calm, Tingles & Why It Can Feel Like Medicine
Heart-rate studies, brain imaging, whisper vs ambient ASMR, honest limits next to benzodiazepines — and how to build tingle-optional calm gardens in Sound Bubbles.
ASMR · Medical · Research · Guide · 34 min
How to Mix Ambient Sounds: Custom Brown Noise & Nature Soundscapes
Do high pitches annoy you? Does repetition grate? Start with brown noise, pick sounds you can hear for hours, and fix crickets before they land in your ear canal.
Guide · How To · Craft · 36 min
What Is Brown Noise?
If white noise is static snow, brown noise is the deep river underneath.
Brown Noise · Education · 22 min
Why Ambient Sound Loops Get Boring After 20 Minutes
Habituation, loop seams, and predictive brains — why most ambient apps fail past the first half hour.
Origin · Psychology · 28 min
Health & Wellbeing Soundscapes: Sleep, ADHD, Tinnitus & More
How Sound Bubbles' Medical & Wellbeing category works: companion gardens for sleep, neurodiversity, tinnitus, anxiety, and more — carefully framed, never as treatment.
Medical · Wellbeing · 32 min
A History of Sound as Medicine: From Ancient Greece to ICU Wards
Pythagorean harmony, indigenous songlines, Florence Nightingale’s wards, and the evidence-based music therapy of today — one continuous story.
History · Medical · Research · 42 min
Living Ambient Soundscapes: What Brown Noise Organisms Are
Not a preset. Not a playlist. A living soundscape of brown noise, rain, and weather that breathes — and why it beats a loop.
Organisms · Product · 26 min
How to Layer Ambient Sounds: Volume, Distance & Spatial Mixing
Brown noise floors go far; birds and crickets go polite; speech stays outside the window — a practical 3D mixing guide.
Placement · Craft · 24 min
40 Hz Gamma Stimulation: Can Sound Influence Brain Function?
Iaccarino amyloid mouse studies and early human reviews — not the same as a gamma-tone app.
Medical · Gamma · 28 min
Why Absolute Silence Can Keep You Awake: Contrast, Salience, and Quiet Anxiety
Research-backed guide to absolute silence keeps you awake — with honest limits and Sound Bubbles application.
Psychology · Nature · 12 min
AI-Generated Soundscapes: Promise, Limits, and Ethics
Diffusion models, infinite variety, seam failures, copyright, and why living engines still matter.
Technology · AI · Audio · 28 min
Ambient Sound During Chemotherapy: Anxiety, Nausea & Waiting Rooms
Bradt Cochrane oncology music — companion comfort, not antiemetic replacement.
Medical · Cancer · 18 min
Ambient Sound for Homework: Evidence and Practice
Irrelevant speech, moderate noise, ADHD heterogeneity, and parent-safe volume for study rooms.
Studying · Guide · Children · 26 min
Ambient Sound and PTSD: Triggers, Safety Signals & Cautious Use
Hypervigilance, startle layers, and when masking helps — never instead of trauma therapy.
Medical · PTSD · 18 min
Ambient Sounds for ADHD
When your attention wants novelty and your work needs stillness, sound can hold the tension.
ADHD · Focus · 26 min
Ambient Sounds for Anxiety & Relaxation
The body decides you are safe before the mind believes it.
Anxiety · Relaxation · 24 min
Ambient Sounds for Babies
Little nervous systems like continuous weather — not sudden silence, not sharp surprises.
Babies · Sleep · 22 min
Ambient Sounds for Coding & Office Work
Open-plan survival, keyboard rhythm, and the art of disappearing into a problem.
Coding · Office Work · 22 min
Ambient Sounds for Meditation, Yoga & Mindfulness
Silence can be sharp. Soft sound can be the frame that lets practice stay kind.
Meditation · Yoga · Mindfulness · 22 min
Ambient Sounds for Reading & Writing
Language work needs a soft room — not a blank one, and not a busy one.
Reading · Writing · 20 min
Ambient Sounds for Studying & Deep Work
Focus is not silence. It is a room that refuses to poke you.
Studying · Deep Work · Focus · 22 min
Ambient Sounds for Tinnitus
You cannot argue with a tone that never clocks out — but you can give the room something kinder to notice.
Tinnitus · Noise · 26 min
Ambisonics Explained: Full-Sphere Spatial Audio
HOA, B-format, YouTube VR, and decoding to binaural headphones.
Technology · Spatial Audio · Guide · 26 min
Auditory Scene Analysis Explained
Bregman's streaming, innate grouping, and why mashups fail after twenty minutes.
Neuroscience · Hearing · Research · 26 min
Auditory Working Memory: How Sound Competes With Thought
The phonological loop, irrelevant speech effect, and when brown noise shields focus without stealing sentences.
Neuroscience · Attention · 18 min
Autism and Ambient Sound: Sensory Profiles & Safe Rooms
Prediction-error sensitivity, misophonia overlap, and listener-controlled gardens.
Medical · Autism · 18 min
Background Noise and Creativity: The Moderate-Noise Sweet Spot
Mehta's café-noise study — mild distraction for divergent thinking, not open-plan speech chaos.
Psychology · Office · 18 min
Bedroom Sound Design: Designing Sleep Rooms That Reduce Contrast
Research-backed guide to bedroom sound design — with honest limits and Sound Bubbles application.
Guide · Recipe · 12 min
Best Sounds for Shift Workers: Circadian Chaos and Sleep Recovery
Research-backed guide to best sounds shift workers — with honest limits and Sound Bubbles application.
Sleep · Research · 12 min
Best Volume Settings for Sleep, Focus, and Daily Listening
dBA targets, NIOSH dose, just-audible masking, and per-context Sound Bubbles knobs.
Guide · Safety · Volume · 26 min
Binaural Beats Explained: What the Clinical Evidence Really Says
Oster's physiology, systematic reviews, and one perioperative trial — narrower than marketing claims.
Medical · Sound Healing · 26 min
Binaural vs Monaural Hearing: Why Two Ears Matter
Head shadow, binaural unmasking, localisation, and why mono beds feel flat inside headphones.
Neuroscience · Hearing · Spatial Audio · 26 min
Bird Placement Guide: Dawn Chorus Without Distraction
Research-backed guide to bird placement guide — with honest limits and Sound Bubbles application.
Guide · Recipe · 12 min
Birdsong and Mental Health: Restoration, Mood, and Urban Green
Research-backed guide to birdsong mental health — with honest limits and Sound Bubbles application.
Psychology · Nature · 12 min
Brainwave Entrainment Myths: What EEG Studies Show
Research-backed guide to brainwave entrainment myths — with honest limits and Sound Bubbles application.
Myths · Research · 12 min
Brown Noise Layering: Stacking Warm Floors Without Mud
Multiple brown sources, spectral spacing, spatial depth, and when to add pink tilt.
Brown · Guide · Recipe · 24 min
Brown Noise vs White Noise vs Pink Noise: Clinical Benefits Compared
Spectral slope changes masking, fatigue, and sleep endpoints — evidence table without Hz mysticism.
Medical · Noise · 28 min
Can Music Reduce Anxiety? A Review of 100+ Clinical Studies
Meta-analyses and Cochrane reviews say often yes — with effect-size caveats, not as psychotherapy replacement.
Medical · Anxiety · 30 min
Can Sound Detox the Body? Separating Relaxation from Purge Claims
Research-backed guide to can sound detox body — with honest limits and Sound Bubbles application.
Myths · Research · 12 min
Can Sound Improve Sleep? What Sleep Researchers Have Discovered
ICU masking, night-noise health reviews, pink-noise physiology — distinct from insomnia disorder treatment.
Medical · Sleep · 30 min
Children and Hearing Safety: Volume, Duration, and Headphones
NIOSH dose, WHO recreational limits, school headphone policies, and parent measurement habits.
Children · Medical · Guide · 26 min
Sound and Chronic Pain: Masking, Distraction, and Music Medicine
Research-backed guide to chronic pain sound — with honest limits and Sound Bubbles application.
Medical · Research · 12 min
Circadian Rhythms and Sound: Evening Noise, Sleep Timing, and Environmental Cues
Research-backed guide to circadian rhythms sound — with honest limits and Sound Bubbles application.
Sleep · Research · 12 min
How Your Brain Separates Sounds (Cocktail Party Effect)
Cherry's shadowing, binaural advantage, and cortical voice filters in crowded rooms.
Neuroscience · Hearing · Research · 26 min
The Coffee Shop Effect: Moderate Noise and Creative Cognition
Research-backed guide to coffee shop effect — with honest limits and Sound Bubbles application.
Psychology · Nature · 12 min
Ambient Sounds for Health: What Apps Can and Can't Claim
Companion soundscapes for therapy waits, panic recovery, and migraine quiet — with honest limits on what ambient audio can do.
Medical · Ethics · 30 min
The Dawn Chorus and Human Biology: Why Morning Birdsong Matters
Research-backed guide to dawn chorus human biology — with honest limits and Sound Bubbles application.
Psychology · Nature · 12 min
Dawn Chorus Science: Ornithology, Timing, and Acoustic Ecology
Research-backed guide to dawn chorus science — with honest limits and Sound Bubbles application.
Psychology · Nature · 12 min
Default Mode Network, Mind-Wandering & Ambient Sound
fMRI evidence on naturalistic sound, rumination, and soft fascination gardens.
Neuroscience · Medical · 18 min
Does 432 Hz Heal? What Science Actually Says
Research-backed guide to does 432 hz heal — with honest limits and Sound Bubbles application.
Myths · Research · 12 min
Does 528 Hz Repair DNA? Examining the Claim
Research-backed guide to does 528 hz repair dna — with honest limits and Sound Bubbles application.
Myths · Research · 12 min
Dolby Atmos Explained for Everyday Listeners
Objects, beds, height channels, soundbars, and what Atmos does not do for sleep.
Technology · Spatial Audio · Guide · 26 min
Dynamic Audio Engines: How Games Keep Sound Fresh
Middleware, adaptive mixing, HDR audio, and lessons for wellbeing players.
Technology · Audio · Games · 26 min
Music for Fibromyalgia: Pain, Sleep, and Self-Management Evidence
Research-backed guide to fibromyalgia music — with honest limits and Sound Bubbles application.
Medical · Research · 12 min
Fireplace Layering Guide: Crackle Without Fatigue
Research-backed guide to fireplace layering guide — with honest limits and Sound Bubbles application.
Guide · Recipe · 12 min
Focused Ultrasound for Brain Tumours
BBB opening, thermal ablation, histotripsy cavitation — oncologic FUS in trials, not consumer apps.
Medical · Oncology · Ultrasound · 34 min
Focused Ultrasound for Essential Tremor
Elias NEJM thalamotomy trials, FDA ExAblate Neuro, long-term outcomes, and comparison with DBS.
Medical · Neurology · Ultrasound · 32 min
Focused Ultrasound for Parkinson's Disease
Unilateral subthalamotomy trials, motor outcomes, adverse events, and how RAS rehab differs from ablation.
Medical · Parkinson · Ultrasound · 32 min
Forest Acoustics
Research-backed guide to forest acoustics — with honest limits and Sound Bubbles application.
Nature · Acoustics · 12 min
Frequency Healing Claims: An Evidence Audit
Research-backed guide to frequency healing claims examined — with honest limits and Sound Bubbles application.
Myths · Research · 12 min
Generative Audio: Rules, Randomness, and Living Sound
Stochastic layers, Markov melodies, constrained randomness, and wellbeing-safe bounds.
Technology · Audio · Guide · 26 min
Habituation Explained
Why loops stop working, seams wake you, and slow change keeps masking alive.
Neuroscience · Hearing · Research · 24 min
Harmonics Explained
Research-backed guide to harmonics explained — with honest limits and Sound Bubbles application.
Psychoacoustics · Science · 12 min
Histotripsy: Destroying Cancer With Sound Waves
Mechanical cavitation ablation for liver tumours — regulated medicine, not consumer audio.
Medical · Ultrasound · Research · 28 min
How Hospitals Use Music Therapy to Reduce Pain and Anxiety
Lancet perioperative meta-analysis and Cochrane cancer reviews — trained therapy vs hallway radio.
Medical · Hospital · 28 min