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Old 16th March 2009   #454
AlienHealth
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Joined: Jun 2008
Location: Cornwall, UK
Posts: 240

A&H Reply:

Quote:
Originally Posted by tnestelaar View Post
One thing I wonder is what happens with the AD conversion when I give some overdrive on the input amplifier.
I think this will lead to digital clipping as well but maybe I'm wrong?

Can I say that if the input meter in the DAW does not clip, then there's no digital clipping in the AD convertor?

Tom
Hi Tom,
It's true to say that if the pre-amp is clipping, then the ADC will be clipping also.
It is also true to say that the DAW input meter reflects the ADC level so 0dBFS on the DAW meter = ADC clip point.
I've just hooked up a ZED-R16 and routed a signal through the ADC to SONAR 8 (and Ableton) then back to the ZED-R16, increasing the signal well into clipping. As digital systems go it has to be said that the whole system clips with no nasty artefacts and in a similar way to overdriving analogue circuitry.
There is a few dB's more headroom on the analogue side, but yes, the DAW input meters show the actual level of the ADCs.

Cheers,
Mike.
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