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Measure decibels more reliably
Placement, averaging, and the most common mistakes that skew readings.
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Hearing health, noise exposure, and sound measurement explained.
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Find the right guide fast: fundamentals, calibration, safety, compliance, and audio gear.
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The fastest way to understand safe exposure and get reliable readings.
Measurement basics
Core concepts: exposure time, weighting, and practical measurement workflow.
Measurement basics
Mar 12, 2026
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12 min read
The 3 dB Rule Explained: Safe Exposure Time Made Simple
Learn how noise dose works: +3 dB doubles energy and halves safe time, with a practical exposure table and real-world examples.
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Measurement basics
Mar 10, 2026
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9 min read
How to Measure Decibels Accurately (Without a Pro Meter)
A practical step-by-step method to get more reliable dB readings—placement, averaging, and the mistakes that skew results.
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Measurement basics
Jan 29, 2026
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6 min read
dBA vs dBC: Which One Should You Use?
Understanding frequency weightings is crucial for noise measurement. Learn when to use A-weighting vs C-weighting for accurate readings.
Read ArticleCalibration & accuracy
What phones can and cannot do, and how to reduce error in practice.
Calibration
Mar 12, 2026
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12 min read
How to Calibrate a Phone Decibel Meter (Reference-Only)
A practical calibration workflow: offsets, verification steps, and the limitations you should know before trusting a phone reading.
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Accuracy
Jan 29, 2026
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4 min read
Are Smartphone Decibel Meters Accurate?
We compare professional SPL meters vs smartphone apps. Discover the limitations of mobile microphones and how to get the best results.
Read ArticleSafety & health
Hearing protection, safe listening, and practical self-checks.
Safety
Jan 29, 2026
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5 min read
How Loud Is Too Loud? Headphone Volume Safety Guide
Learn about safe listening levels, the 60/60 rule, and how to prevent permanent hearing damage from prolonged headphone use.
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Safety
Mar 10, 2026
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7 min read
White Noise Machines for Babies: Safe Volume Levels & Placement
Measure what your baby hears at the crib. Learn safer volume targets, placement tips, and routines that reduce exposure.
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Health
Jan 29, 2026
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6 min read
Why "The Ear" is a Musician's Most Important Instrument
Discover why hearing is critical for musicians, how to manage volume and dynamics, and tips for protecting your ears.
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Self-check
Feb 06, 2026
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6 min read
How to Check Your Hearing at Home: A Comprehensive Guide
Concerned about your hearing? Learn how to perform a reliable hearing self-check at home using online tools and interpret the results.
Read ArticleWork & compliance
Practical checklists and documentation workflows for real-world noise problems.
Checklist
Mar 10, 2026
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9 min read
Is My Workplace Too Loud? A Practical OSHA/NIOSH Checklist
A practical checklist to screen workplace noise risk: what to measure, what matters, and how to document exposure.
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Guides
Mar 10, 2026
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8 min read
Classroom Noise Levels: What’s Normal and When It Hurts Learning
Typical classroom dB ranges, why speech clarity drops, and low-budget interventions that measurably reduce noise.
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Evidence
Feb 06, 2026
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8 min read
Neighbor Noise Disputes: How to Collect Valid Evidence with a Sound Meter
Dealing with noisy neighbors? Learn how to use an online sound meter to collect objective evidence, log noise levels, and present a strong case.
Read ArticleAudio gear
Testing speakers/headphones and diagnosing common issues.
Audio gear
Feb 06, 2026
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10 min read
The Ultimate Guide to Testing New Speakers and Headphones
Just bought new audio gear? Follow our comprehensive 6-step technical audit to check for defects, phase issues, and frequency response.
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