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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: ChargingPosted by N-set on: 4/14/2011
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 Lx_ wrote:

As to the DC offset, I find it strange too obviously. However as it quickly disappears I am not too worried about it. Maybe this indicates a problem in the soundcard when starting the recording.


The capacitors, transformer inductances etc charge when the signal is applied.
It looks like the signal superimposed with an exponential decay.
The signal is attenuated a bit as the charging energy is taken from the signal.
This may explain the "dissapearing DC"...

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