Sound Meter - Decibel Meter

Sound Meter - Sound Test & Decibel Meter is useful sound test and noise meter tool for your Android. With Decibel Meter, you can easily measure the current level of environmental noise. The Sound Meter app shows decibel values by measure the environmental noise, displays measured dB values in various forms. Sound Test & Decibel Meter uses your microphone to measure noise volume in decibels(db). Features: - Display decibel by graph - Display min/avg/max decibel values - Display the current noise reference - Calibrate the decibel for each devices The high decibel value will be harmful to mental health and hearing function.To protect your and your family's health, detect the decibel value now! 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