I get constructive and deconstructive, but those are usually in the context of being the same frequency and just being out of phase. I’m talking like…you and your bud having a conversation in a restaurant, with music playing, convos around you, sound of wait staff, etc. If a waiter drops a plate, how does that sound transit through at that higher, unique frequency through all the other noise so that all can hear it?
Thank you for your time!
In: Physics
Its at the end of the day your brain that does this sorting. You know that what your friend is telling you is more important than the chatter from the 3 people on the table next to you, all the sounds come into your ears at the same volume/frequency, and then your brain helps you sort out what you actually are listening to.
This can go the other way as well, for instance in a stressful situations in the cockpit, both pilots have in several accidents not been able to hear the very clear alarm going off, on the tape afterwards its like “how didnt they hear this?!” but in the moment, their brain decided to ignore that alarm and continue on the task at hand.
Also why (I guess they are better now) hearing aids can be tiresome for the people that need them. Because they have no way of filtering anything, so then all volume comes constantly *in* your ears and it become too much
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