How Hearing Works: The Journey of Sound
Follow a sound wave from your ear canal to your brain. Understand the delicate system that makes hearing possible.
The Safe Sound Guide
Everything you need to understand sound, protect your hearing, and prevent noise-induced damage. Interactive tools, science-backed education, no medical jargon.
1.1B
People at risk of hearing loss
100%
Preventable with protection
15+
Interactive guides
Foundation
Understanding Sound & Hearing
The science of how we hear, what damages hearing, and why it matters—explained simply.
85 dB
The threshold where damage begins
Most Popular
The Complete Guide to Decibel Levels & Hearing Damage
Understanding decibels is the first step to protecting your hearing. This interactive guide shows you exactly how loud common sounds are, how long you can safely listen, and when you need protection.
Explore the Guide →👂
Interactive
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Essential
Noise-Induced Hearing Loss (NIHL): What You Need to Know
The only type of hearing loss that's 100% preventable. Learn what causes it, how to spot it early, and how to stop it.
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Interactive
Temporary vs. Permanent Hearing Damage
Your ears are ringing after a concert. Will it go away? Learn the difference between temporary and permanent damage.
Prevention
Protecting Your Hearing
Practical guides to prevention, safe listening, and choosing the right protection.
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Essential
The 85 Decibel Rule: Your Hearing Safety Threshold
Why 85 dB is the magic number, and how to use the 3 dB exchange rate to calculate your safe exposure time.
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Interactive
Tinnitus Prevention: Stop the Ringing Before It Starts
15% of adults have tinnitus. Most cases are preventable. Learn what causes it and how to protect yourself.
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Guide
Safe Listening Guidelines: WHO Recommendations Explained
The World Health Organization's guidelines for safe listening, translated into practical everyday advice.
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Interactive
Headphone & Earbud Safety: The 60/60 Rule
Your daily listening habits might be damaging your hearing. Learn how to enjoy music safely through headphones.
Scenarios
Use Case Guides
Specific guidance for concerts, DJs, musicians, and more.
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Interactive
Concert & Festival Hearing Safety
Concerts can hit 120 dB. Learn how to enjoy live music without sacrificing your hearing.
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Pro Guide
DJ Hearing Protection: Protect Your Most Important Tool
Your ears are your career. Learn how to protect them without compromising your mix.
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Interactive
Musician's Hearing Protection Guide
From drummers to guitarists: instrument-specific risks and protection strategies.
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Guide
Festival Hearing Survival Guide
Multi-day festivals are especially dangerous. Here's how to make it through with your hearing intact.
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Parents
Kids & Hearing Protection: A Parent's Guide
Children's ears are more vulnerable. Learn when and how to protect your kids' hearing.
Interactive
Tools & Calculators
Interactive tools to understand your exposure and test your hearing.
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Tool
Sound Exposure Calculator
Enter your sound level and duration to calculate your cumulative exposure and risk.
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Tool
Online Hearing Frequency Test
Test which frequencies you can hear. High frequencies are often the first to go.
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Tool
Tinnitus Sound Simulator
Experience what tinnitus sounds like—and understand why you want to prevent it.
Complete Library
All Topics
Browse every guide in our hearing health library.
Decibel Levels Guide
Understanding Sound
How Hearing Works
Understanding Sound
Noise-Induced Hearing Loss
Understanding Sound
Temporary vs Permanent Damage
Understanding Sound
The 85 Decibel Rule
Protection
Tinnitus Prevention
Protection
Safe Listening Guidelines
Protection
Headphone Safety
Protection
Concert Safety
Use Cases
DJ Hearing Protection
Use Cases
Musician's Guide
Use Cases
Festival Survival
Use Cases
Kids Hearing Protection
Use Cases
Exposure Calculator
Tools
Hearing Frequency Test
Tools
Tinnitus Simulator
Tools