SPL may be measured with a SOUND LEVEL METER weighted according to a specific frequency ... Two SPL measurements in decibels may be combined with the aid of the following chart. The difference in ...
Compare: NOISE CRITERION, NOISE RATING, SOUND TRANSMISSION CLASS. However, in the situation with face-to-face conversation of non-familiar speech material, the following chart shows the speech ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback