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Added: 1. A/C/Z weighting support. Professional sound level meters measure dBA (human hearing perception), not just raw dB. The app now supports proper frequency weighting for more accurate noise measurement. 2. LAeq — equivalent continuous sound level. International standards such as WHO and OSHA use LAeq to evaluate noise exposure over time. The app now calculates the integrated sound level for a selected period.
Measure noise and decibel levels in real time using your phone’s microphone
Sound Meter Pro is a tool for measuring noise and sound levels using the built-in microphone of your smartphone. The app turns your phone into a decibel meter, allowing you to check sound intensity in decibels (dB) and monitor the acoustic environment around you. Noise is a part of everyday life: traffic, construction, loud music, household appliances. Excessive sound can interfere with work, rest, and may affect health. With Sound Meter Pro, you can measure noise levels in real time and take steps to reduce unwanted impact. 🔹 Main Features Real-time noise measurement with display in decibels (dB) Visualization of sound level: numeric values and a dynamic indicator Graph of sound changes for better analysis Saving measurement history with access to previous results Simple interface that is easy to use Multi-language support through built-in localization 🔹 Use Cases Measuring noise at home (neighbors, appliances, music) Checking office sound levels for a comfortable workspace Monitoring classroom or lecture hall acoustics Testing sound insulation of windows, doors, or walls Supporting educational projects and experiments Evaluating volume of music, TV, speakers, or headphones 🔹 App Features Adapted accuracy based on the microphone of your smartphone Option to save and review measurement results Clean, minimalistic design without unnecessary elements Lightweight app that does not overload your device 🔹 Who Can Benefit Users concerned about protecting their hearing Parents checking safe volume levels for children Students and teachers using it in education Professionals in sound and acoustics who need a portable tool Anyone who wants to better understand the noise level in their environment Important Note Accuracy depends on the characteristics of your device’s microphone. Results may vary across different smartphone models. However, for everyday use, Sound Meter Pro helps track noise levels and monitor sound conditions effectively.