Measure environmental noise decibel levels in real-time using your device's microphone. Evaluate noise levels at home, in the office, or in public spaces to protect your hearing.
Real-time monitoring of environmental noise levels
Click Start Monitoring to see waveform
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Prolonged exposure to high-decibel noise environments can lead to hearing damage, sleep disorders, and even cardiovascular diseases. This tool captures environmental sounds in real-time using your device's microphone and utilizes the Web Audio API to calculate and display the current noise decibel (dB) level. The decibel (dB) is a logarithmic unit used to measure sound intensity. Our tool outputs real-time dynamic values, maximum values, and average values to help you objectively evaluate noise levels.
Q: How accurate is the noise detector tool?
A: Accuracy is limited by the quality of your device's microphone and the browser's processing capabilities. It is intended for everyday reference only. For professional measurements, please use a calibrated sound level meter.
Q: Why is there no response after clicking "Start Detection"?
A: Please check your microphone permission settings. Look for the microphone icon near your browser's address bar, click it, and select "Allow".
Ensure the microphone is unobstructed during measurement; avoid using it in strong wind environments; this tool is not suitable for professional acoustic measurements; calibrating your device's microphone periodically can yield more reliable results.
The decibel (dB) is a logarithmic unit; for every 10 dB increase, the sound intensity increases tenfold. Common reference values: quiet room (30-40 dB), normal conversation (60 dB), busy street (70-80 dB), airplane takeoff (120 dB). Prolonged exposure to environments above 85 dB can damage your hearing. We recommend monitoring noise levels regularly and taking noise reduction measures when necessary.
