Lexicon PCM NATIVE DUAL DELAY, Owner'S Manual

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Output Bandwidth
When Bandpass or Notch have been selected, this parameter allows you to set the bandwidth
of an output filter. Bandwidth is specified in octaves or fractions thereof.
Output Shelf
This parameter affects all output filter types. It allows a certain amount of unfiltered audio to be
combined with the filtered audio. This effectively lowers the effect of the filter. Another way of
looking at it is that it lessens the normal filter slope of 12 dB per octave. Unlike the traditional
biquad filter, the shelf is effective for all filter forms.
Feedback Filter Type
This parameter allows you to assign a filter on the feedback portion of the signal within a delay
voice. There are 6 selections available: 1 Pole Lopass, 1 Pole Hipass, 2 Pole Lopass, 2 Pole
Hipass, Bandpass, and Notch.
Feedback Frequency
This parameter lets you set the cutoff frequency of the feedback filter. The audible effect of this
is determined by the Feedback Filter Type parameter.
Feedback Bandwidth
When Bandpass or Notch have been selected, this parameter allows you to set the bandwidth
of a feedback filter. Bandwidth is specified in octaves or fractions thereof.
Feedback Shelf
This parameter affects all feedback filter types. It allows a certain amount of unfiltered audio to
be combined with the filtered audio. This effectively lowers the effect of the filter. Another way
of looking at it is that it lessens the normal filter slope of 12 dB per octave. Unlike the traditional
biquad filter, the shelf is effective for all filter forms.
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