stephenzztan
Apr 23, 2011, 10:58 PM
The broadband Reverberation Time (RT) for a small lecture theatre of volume 100m3
is measured at 0.5 secs. The average SPL in the theatre for a certain lecturer is 64 dB.
Estimate the mean acoustic power of the lecturer's voice.
(Take: ρ = 1.2 kg/m3 and c = 343m/s).
is measured at 0.5 secs. The average SPL in the theatre for a certain lecturer is 64 dB.
Estimate the mean acoustic power of the lecturer's voice.
(Take: ρ = 1.2 kg/m3 and c = 343m/s).