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Removing DC Offset in Audacity

Video Tutorial

Remove DC Offset

If when you record a silent patch, the waveform is not at zero, the difference is known as DC offset.

There is more than one way of tackling DC offset and the high pass filter technique may be preferred in some circumstances.

In any case, removing this offset can avoid various problems further down the road. Thankfully removing DC offset is not a difficult task...

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When you remove DC offset it is a good idea to do so at an early stage after recording - and if possible let it be the very first thing you do when processing your recording.