Sound absorbing materials, such as acoustic foam, is used to attenuate background noise. By what factor is the sound int
Posted: Mon May 16, 2022 2:31 pm
Sound absorbing materials, such as acoustic foam, is used to
attenuate background noise. By what factor is the sound intensity
decreased if an absorbing material attenuates the sound level by 30
dB?
Hint: The reference sound level
is 𝐼0=10−12𝑊𝑚−2
attenuate background noise. By what factor is the sound intensity
decreased if an absorbing material attenuates the sound level by 30
dB?
Hint: The reference sound level
is 𝐼0=10−12𝑊𝑚−2