Acoustic noise meter or sound meter, noise meter, sound pressure meter decibel (dB), sound level meter . Sound meter is an easy-to-use tool that helps you measure the acoustic noise of your surroundings (noise meter). This is a smart audio measuring app that uses your phone's microphone to measure the audio volume in decibels (dB) and display it on a timeline graph. ⭐ Sound meter features: ⭐ ✅ Sound noise measurement ✅ Graphical display of audio over time ✅ Decibel can be customized for each