Sound Meter - Decibel

常见问题

• Are decibel meter apps accurate?
  A new study provides the answer. The answer is, “Yes,” but only four apps that were tested measure up. The National Institute for Occupational Safety and Health (NIOSH) evaluated the apps at its acoustic testing lab. The tests also compared results for i-Phones and Android phones.
• Is there an app for measuring sound decibels?
  Sound Meter Pro: Sound Meter PRO works with Android phones to measure sound or decibel level. It can also measure sound pressure. ... Considered a professional grade sound meter app, it is known for its accuracy with decibels and with sound pressure.
• What is the best decibel meter app?
  5 Best Noise Level Apps for Android. Sound Meter PRO.Decibel X.Sound Meter.Sound Meter & Noise Detector.Sound meter: decibel meter – db spl meter.
• How do you measure sound decibels?
  When you measure noise levels with a sound level meter, you measure the intensity of noise called decibel units (dB). A sound meter uses a display with a decibel range and resolution to approximate to the ear's dynamic range, usually the upper range rather than the quiet part.