under air

Don't want to get you claustrophobic or anything.

When talking to people that are unfamiliar with sound, I like to point out that we live "under air". We live in a sea of air. Just like fish swimming in water, we live and move through this physical thing that is air. Air molecules are just as solid as water or anything else that is around us, it is that they are not as dense and therefore we can breathe them inside and strip off the oxygen and push out what is left.

The cool thing about this is that is helps to realize the real challenge that live audio engineers have to deal with. It is like taking a dropper and putting a drop of color in the water (like a singer projecting out of the mouth). Taking a hose and sucking that color out, processing it so that it is larger in volume (pun intended) and pushing that out of hoses into the same container of water. The goal is to not get any or as little of as possible of the new larger volume of color back into the little sucking hose, but only get the original drops as produced by the singer. That is the art and science of sound reinforcement.

In the studio, you usually are using headphones or in the case of like a TV show, the new larger volume is actually being put into other containers. This is why you can watch a TV show and the performer can have their mic so far away from their mouths. Unless they need loud monitors, the TV audio guy can open the mic way open and pick them up from far away. But the poor live guy has to put that same mic back into the same pond and is pulling his hair out.

Just like fish can't live outside of water, we can't live outside of our air. It is something to think about.

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