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I want to filter DC offset for a signal by applying a high-pass filter to it (I've been told that to filter the DC offset this is what I should do - I'm not sure why exactly!!)

My question is; do I do that in the time-domain or frequency-domain after applying FFT? And I would appreciate some explanation if possible.

Thanks.

Roronoa Zoro

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# Filter DC offset - apply High-pass filter (in time-domain or frequency domain?)

**Physics Forums | Science Articles, Homework Help, Discussion**