Inputs 1/2/3 Undo Menu; What Exactly Is Undo - Omnia .9 Installation & User Manual

INPUTS 1/2/3 SOURCE AUDIO MENU
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Inputs 1/2/3 Undo Menu

What Exactly Is Undo?

In order to understand how to best use Undo, it is helpful to understand exactly what it is and how it works.
Undo is actually two separate processes - a de-clipper and a multiband expander – which work together to "undo" the poorly
mastered, hyper-compressed and clipped audio found on so many modern CD's.
Note:
The de-clipper works most effectively when using Omnia.9's digital inputs. Regardless of whether your use
an analog, digital or Livewire input, the incoming audio must not be equalized or pre-processed in any way.
This means NO leveler, neither wideband nor multiband. If the possibility of clipping the STL at the studio is
a concern, simply turn down the input level to the STL and use Omnia.9's Input Gain control to compensate.
Omnia.9 will also happily boost low input levels automatically.
Take a look at the two waveforms below, captured using Omnia.9's built-in oscilloscope. The top window shows the damaged
source audio. The second window shows the same audio after it has passed through the de-clipper and the Undo stages. Notice
how the peaks that were clipped during mastering have been restored by the de-clipper and Undo.
Note:
The oscilloscope gain was kept at the same level for comparison purposes, but Omnia.9 has sufficient
internal headroom, and the illustrations that follow do not suggest that the audio is being clipped again by
any portion of "Undo".
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