APKPure Appを使用する
Sound Meter - Decibel Meterの旧いバージョンをダウンロードすることが可能
サウンドメーターで音環境ノイズをデシベル（dB）で測定する
Sound Meter - Decibel Meter, Noise Meter, sound level meter, decibel(dB), noise meter, sound pressure level(SPL), shows a decibel values by measuring the noise environmental noise, displayed measured decibel values in various forms.
Sound Meter - Decibel Meter, Noise Meter Key Features:
-Indicates decibel by gauge
-Display the current noise reference
-Display min/avg/max decibel values
-Display decibel by graph
-Calibrate the decibel for each devices
Levels of Noise In decibels (dB) according to American Academy of Audiology
140 dB - Gun shots, fireworks
130 dB - Jackhammers, Ambulance
120 dB - Jet planes taking off
110 dB - Concerts, Car horns
100 dB - Snowmobiles
90 dB - Power tools
80 dB - Alarm clocks
70 dB - Traffic, vacuums
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rusting
10 dB – Breathing