শব্দ এবং শব্দ (ডেসিবেল) আপনার স্মার্ট ফোন ব্যবহার করে ভলিউম পরিমাপ. মিটার
Want to measure sound level?
Try Simple Sound Meter!
(No Advertisement)
This is simple sound decibel meter app (Android)
Easy to use and interesting app.
Yellow Color Progress Version.
Levels of Noise in decibels (dB)
20 dB - Very quiet, almost feel nothing
40 dB - Quiet, like soft whispers
50 dB - Quiet office
60 dB - Ordinary indoor conversations
80 dB - Noisy, may hurt the nerve
90 dB - Very noisy, nerve damage
100 dB - Increased noise, hearing damage
120 dB - Unbearable
140 dB - Almost deaf or deaf
(Noise Sound Decibel Meter)
(Ad Free Version)
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