回視聴
17:19
Noise Pollution App | Sound Meter App MIT App Inventor | Sound Level | Noise Sensor MIT App Inventor
0:44
RK300-06 Noise and Sound Sensor
0:16
Decibel meter - noise meter for free
9:04
How to measure noise with the Decibel Meter app
0:16
Sound Meter HQ - Android
2:28
3 Best Free Sound Meter Apps For Android
0:51
Decibel (Sound Meter) - Free Android App
0:12
SmarterNoise measures sound level, records video / audio and informs about noise
