Algorithm Manual Revision 4

Unwrap HD
English Manual – Updated 2018-02-28 155
Range for the Shelve filter:
Lo BW: 3 to 12dB/oct
Hi BW: 3 to 12dB/oct
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 fil-
ter types.
For Lo and Hi filters select between filter
types: Parametric, Notch, Shelve and Cut.
For Mid 1 and Mid 2 filters select between fil-
ter 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
Type
Press and use Faders 1 to 4 to set BW value for
each of the 4 EQ bands.