Noise & Sound Environment Blog
Evidence-based guides on measuring, understanding, and improving the acoustic quality of your living and working spaces.
Measurement & Decibels
How to Measure Noise in a Room Using Your Phone
Your phone can measure room noise within ±3–5 dB of pro meters. Step-by-step guide for iPhone & Android — no app, no signup, free in your browser.
What Is a Safe Noise Level for Humans?
Safe noise depends on both level and duration. Learn what NIOSH's 85 dBA recommendation means, how the 3 dB exchange rate works, and how WHO guidance applies to sleep and everyday noise.
How Accurate Are Phone Noise Meters?
Phone noise meters agree with professional instruments within ±3–5 dB for most indoor environments. Learn when they are reliable and when you need professional equipment.
What Is Reverberation Time (RT60) — Explained Simply
RT60 measures how long sound lingers in a room after the source stops. Learn what the seconds mean, what changes them, and how professionals measure reverberation.
Home & Apartment Noise
What Is a Normal Noise Level Inside a Home?
Most homes sit around 30–50 dB of background noise. See illustrative room-by-room ranges, what WHO guidance says, and how to check your own rooms.
Is Traffic Noise Too Loud in Your Home?
Traffic noise is one of the biggest sources of indoor noise. Learn typical levels, how sound gets through windows, how to soundproof a window, and how to compare noise inside your home.
Loud Upstairs Neighbors: How to Reduce Apartment Noise
Footsteps, thuds and voices from the flat above. Why impact noise is so hard to block, what actually helps, and how to handle it with neighbours and landlords.
Sleep & Quiet Rooms
Acceptable Decibel Levels for Sleeping (Under 30 dB)
The WHO recommends bedroom noise below 30 dB for healthy sleep. See acceptable decibel levels for sleeping, what disrupts rest, and how to measure your room.
Why Measuring Bedroom Noise Improves Your Sleep
Noise is the invisible enemy of deep sleep. Discover why tracking your bedroom noise is the first step to more restorative rest.
What Does 'Quiet' Actually Feel Like? (Real-Life Examples)
Numbers on a meter don't tell you how a room feels. Here's what ambient noise means, what 20, 30 and 40 dB sound like in everyday spaces — and how to compare your own rooms.
Soundproofing & Acoustics
8 Ways to Reduce Noise in a Room
From sealing gaps to upgrading doors and windows – practical ways to make a room or bedroom quieter, with an honest guide to what soundproofing, absorption and masking can and cannot do.
Best Noise-Canceling Gadgets for Home & Office
Our curated guide to the best noise-canceling headphones, sound machines, and acoustic panels for every budget.
Why Your Room Echoes (And How to Fix It)
Echo happens when sound bounces off hard surfaces. Learn why some rooms echo more than others and how to fix it with simple, affordable solutions.
What Makes a Room Sound "Good" or "Bad"?
Some rooms feel calm and pleasant. Others feel harsh or hollow. Learn the acoustic properties that make a room sound 'good' or 'bad' — and how to improve yours.
Empty Room vs Furnished Room — Sound Differences Explained
Empty rooms echo up to 5× longer than furnished ones. See exact before/after dB and the 3 items that fix acoustics fastest.
How to Improve Room Acoustics Without Expensive Panels
Acoustic panels are not the only solution. Learn 10+ budget-friendly ways to improve your room's sound using furniture, textiles, and smart positioning.
Workplace & Productivity
How Loud Is Too Loud at Work? (OSHA & NIOSH 2026)
OSHA caps workplace noise at 90 dB / 8h; offices should stay under 55 dB. Full standards, industry benchmarks & a free dB test for your workspace.
How Room Noise Affects Your Productivity
Speech, interruptions and background noise affect focus in different ways. See what the research actually found and how to identify and fix noise problems in your workspace.
Guides & Reference
- What Is a Decibel?How the decibel scale works and why +10 dB sounds about twice as loud.
- Decibel ChartTypical sound levels from whispers to jet engines, in one table.
- Noise GuidelinesWhat WHO and NIOSH guidance says about noise at home and work.
- How Loud Is It?Everyday sounds explained one by one, from fridges to fireworks.
- Room Noise TestA timed 30-second test of your room's background noise.
- Microphone HelpFix microphone permission problems on phones and computers.
- How It WorksHow SnapRoomScore estimates sound levels in your browser.
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