Sound Meter+ (Ad Free)

測量聲音和使用你的智能手機噪聲（分貝）的音量。儀表

Want to measure sound level?

Try Simple Sound Meter!

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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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