|
|
|
In pure spherical divergence of sound from a point source in free space, the sound pressure level decreases 6 dB for each doubling of the distance. This condition is rarely encountered in practice, but it is a handy rule to remember in estimating sound changes with distance. |
|
|
Download IEC standards, International Electrotechnical Commission standards.
About Us DeveloDex™ OptiMall™ Success Tools Tabularium™ WebRef™
|