Sound Decibel Meter is powerful and smart sound level meter(SPL) app. The Sound level meter app to measure noise volume in decibels. This app have useful features and high quality graphics. Sound Decibel Meter Features: • Indicates decibel by gauge • Display the current noise environment • Display Min/avg/max values • Display decibel by graph • Can calibrate the decibel for each device To measure the noise level at home, at work, at a concert or in a studio, to properly install a home theater or to check the sound insulation of a car, this unique sound level meter application will help you. This sound level meter honestly counts decibels in 4 weighing modes according to the IEC 61672:2003 standard. It has a built-in spectrum analyzer and will satisfy the needs of both those who are simply curious about the level of noise around, and those who work with sound professionally. Impressive features and simplicity are the qualities that make this sound level meter unlike other crafts. This is the only sound level meter of this quality. With love for people and attention to detail. Sound Decibel Meter OPPORTUNITIES • Four weighing modes A, B, C, Z. • Ability to calibrate • Saving and exporting noise measurements • Saving the geolocation of measurements • Built-in spectrum analyzer • Lots of window functions • Logarithmic and linear spectrum analyzer scales • Measuring the accuracy of a spectrum analyzer on the fly • Tracking the selected frequency • Loudness highs and lows • Average and maximum noise within one measurement The sound level meter needs access to the microphone. If for some reason you declined the request to grant access when you first started the program, go to settings-privacy-microphone and allow the sound level meter to access the microphone, after that the program will work correctly. Exceptional measurement accuracy. Calibrated using a professional high-precision sound level meter Testo-816. Privacy Policy: https://www.9apps.cz/privacy-decibel/ Terms of Use: https://www.9apps.cz/terms-decibel/ For any questions or requests, please use our customer support form at: https://www.9apps.cz