Decibel Meter is the first db meter for the awesome windows 8.! It is free to use. Decibel Meter compatible with all windows 8 versions. This app will use the 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. Decibel Meter use internal Microphone to capture the sound waves. It supports up to 96db reading. Comments are welcome. Download this free app!