I'm trying to gauge what the different levels of volume these fans i'm looking to purchace put out. Can someone give me an idea as to the ammount of difference between 25 & 32 dB is? <P>thanks ...

The Health and Safety Commission put together an Info sheet for understanding how sound works. I think it is very handy to know how dBs add up when you are trying to build a quite (quiter) ...

We live in a noisy world, from traffic and aircraft congestion to construction sites, TV shows, and many other sources. But understanding dB measurements can help, as we will soon see. Noise is an ...