I understand that the ear drum vibrates to create sound, but when your ears are 100% plugged, how can sound waves vibrate the drum? And I’m not talking about not hearing a jet engine, I’m talking about things more along the lines of everyday noise.
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Sound is vibration, is can travel both through solids, liquid, and gasses. There is a lot of energy lost when it goes from a gas to a solid but that does not mean it does not happen.
Hit a wall and the vibration travel tough the wall and people on the other side hear it. Put a speaker in a fridge and you can heat it from the outside even if there is a gas-tight seal around the door. The sound travels tough the wall just like it can go trou a blockage in your ears.
The reason you think your voice sounds different in recording than you are used to is that all the sound that travel in you had to the ear are missing, the recoding is of the sound that travels out through the air.
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