Decibel [2x]
A unit for expressing the intensity of sound
Decibel
Decibel
A unit for expressing the intensity of sound
Decibel
Decibel [3x]
A unit for expressing the intensity of sound
Decibel
A unit for expressing the intensity of sound
Decibel [2x]
A unit for expressing the intensity of sound
Decibel [echoing]