Tried to search, didn’t really find what I was looking for.
Whether vinyl, cassette, mp3 etc – how am I able to discern multiple different instruments in music perfectly clear from a single audio signal? How does a single groove in an LP allow me to hear a baseline and full drum kit and vocals clearly? I can understand one at a time but?
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Sound in the air combine with a single pressure wave that reach your eardrum. A microphone is the sam way a single membrane that moves and its position is used to record the sound. The recorded signal then drives the speaker with the help of an amplifier. The spark has a single membrane that produces a single pressure wave.
You do have two eardrums and the pressure wave that reaches each ear will not be identical. If you what to include a difference like that the answer is stereo sound. So two signals are recorded, stored, and reproduced. The are totally separate except that you store them on the same media in sync so you can reproduce them in sync when you play the sound back..
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