Sound Meter & Noise Detector 2.9.3 [免費版]

Sound Meter is also known as sound level meter, decibel meter (dB meter), noise meter, sound pressure level meter (SPL meter).
This app will use the phone microphone to measure environmental noise decibels (dB) and show a value for reference.With this app, you can easily measure the current level of environmental noise. Simple operation and easy to use.
The high decibel value will be harmful to your physical and mental health and hearing function. You'd better avoid exposure in noisy environments.To protect your and your family's health, detect the decibel value now!
Features:
- Indicates decibel by gauge
- Display the current noise reference
- Display min/avg/max decibel values
- Display decibel by graph
- Can calibrate the decibel for each devicesLevels 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
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rusting
10 dB –Breathing

• 10/19/2019: Sound Meter & Noise Detector 2.9.3
• 06/03/2019: Sound Meter & Noise Detector 2.9.2
• 10/20/2018: Sound Meter & Noise Detector 2.6
• 08/19/2018: Sound Meter & Noise Detector 2.5
• 08/18/2018: Sound Meter & Noise Detector 2.4
• 05/19/2018: Sound Meter & Noise Detector 2.3
• 04/14/2018: Sound Meter & Noise Detector 2.2.1
• 02/28/2018: Sound Meter & Noise Detector 2.2.0
• 01/17/2018: Sound Meter & Noise Detector 2.1
• Report a new version