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5
votes
3answers
584 views
Low Pass Filter?
I've constantly heard about the Low-Pass (or High-Pass) filter, but I am confused. I read that it works on cancelling out certain frequencies that are below (or above) a certain threshold.
However, ...
6
votes
2answers
403 views
Can I record a sound frequency I can't hear and play it back so I can hear it?
Can I record a sound frequency I can't hear and play it back so I can hear it?
If yes, How?
