TC Electronic DB4 MKII - Manual (Page 54)

Unwrap HD
50 DB4 / DB8 MKII Algorithms
Range for the Cut filter:
– Lo BW: Bessel or Butterworth
– Hi BW: Bessel or Butterworth
Unwrap HD algorithm
– surround page
Unwrap HD algorithm – surround page
Contour Style
Range: Off and a selection of styles.
Select between different styles as processing for
the surround channels Output.
Contour Threshold
Range: -25 to 0 dB
Sets the Threshold point for the Contour Style to
be operating.
Decorrelate Style
Range: A selection of styles
Select between different styles of decorrelating
the sound in the two surround Output channels.
Decorrelate Amount
Range: 0 to 100 %
Set how much you want to decorrelate the sound
in the surround Outputs.
Decorrelate Tone
Range: ± 40 steps.
Adjust the tone (color) of the decorrelated part of
the sound on the surround Outputs.
EQ
The EQ for the Center channel features four-
band parametric EQ with high- and low-pass
filters switchable between Notch, Parametric,
Shelving and Cut filters.
Basic operation
– Select Freq, Gain or Type to access the same
parameter for the four EQ bands.
– Select Lo or Hi to access the three parameters
for the individual EQ band.
– Press Bypass EQ to bypass the entire EQ.
Bypass does not affect the selected Contour
Style.
Type Selector
Press Type and use faders 1 to 4 to select filter
types.
For Lo and Hi filters select between filter types:
Parametric, Notch, Shelve and Cut.
For Mid 1 and Mid 2 filters select between filter
types: Parametric and Notch.
Freq
Press Freq and use Faders 1 to 4 to adjust fre-
quency for each of the four bands.
– Range – Lo band: 20 Hz to 5 kHz
– Range – Mid1 band: 20 Hz to 20 kHz
– Range – Mid2 band: 20 Hz to 20 kHz
– Range – Hi band: 500 Hz to 20 kHz
Gain
Press Gain and use Faders 1 to 4 to adjust gain
for each of the four EQ bands.
Range for the Parametric, Shelve and Cut type:
– Lo Gain: -12 dB to +12 dB
– Mid1 Gain: -12 dB to +12 dB
– Mid2 Gain: -12 dB to +12 dB
– Hi Gain: -12 dB to +12 dB
Range for the Notch filter:
– Lo Gain: -100 dB to 0 dB
– Mid1 Gain: -100 dB to 0 dB
– Mid2 Gain: -100 dB to 0 dB
– Hi Gain: -100 dB to 0 dB