조회수
17:19
Noise Pollution App | Sound Meter App MIT App Inventor | Sound Level | Noise Sensor MIT App Inventor
0:42
Best Sound Meter App? - Android
12:12
Smartphone vs. Real Meters for Sound and Light Measurement?
2:16
Decibel - Threshold Sound Meter (Noise Levels)
7:17
Measuring Sound Levels & Identifying Soft and Loud Sounds
8:12
Sound volume
1:19
Noise measurement with Dewesoft
12:25
Volume and Loudness
