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Breverb algorithms, Amber chorus and amber formants, X4 quad fx – FXpansion DCAM Synth Squad Operation Manual User Manual

Page 78: Common parameters, X4-filter

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78

Breverb Hall
Breverb Room
Breverb Plate
Breverb Inverse

The 4 Breverb algorithms, licensed from Overloud Technologies, provide
high-end digital reverberation effects.
Each algorithm is provided as an individual device, each containing
specialised controls. See Appendix 4 for a detailed description of the
parameters.

Amber Chorus
Amber Formants

These effects feature Amber’s circuit-modelled chorus and formant filter
stages. The controls are identical to those in Amber – see sections 5:4 and
5:5 for details.

X4 Quad FX

These FX devices provide 4 bands of the same effect running in parallel. The buttons numbered 1-4 switch between each
of these 4 bands for editing.
Four additional editing modes are also available for adjusting all 4 bands together. The controls in these modes cannot be
modulated (apart from Wet Mix which is a global control for all bands) – they are only for editing all 4 bands’ initial values
together. The controls in each of the 4 bands have a suffix of 1-4, depending on the band.

Abs

Sets an absolute value across all bands

Rel

Adjusts parameters across all bands relative to their original positions where
possible within their range

Dif

Adjusts the overall difference of parameters’ values between the 4 bands

Rnd

Randomizes parameters across all bands

Common parameters

As well as the

WetMix control, which operates on all bands simultaneously, each band in all the Quad FX features the

following controls:

Pwr

Turns the band on or off – in the ‘Off’ position, audio passes through the band
unaffected.

Pan

Sets the position of the band in the stereo field.

Amp

Sets the final level at the effect output.

X4-Filter

Each band features 2 filters, selectable from the following combinations using
the

Mode control:

L2L2

2x 2-pole low-pass filters

P2L2

2-pole peak and 2-pole low-pass filters

N2L2

2-pole notch and 2-pole low-pass filters

L2H2

2-pole low-pass and 2-pole high-pass filters

H2H2

2x 2-pole high-pass filters

H2P2

2-pole high-pass and 2-pole peak filters

H2N2

2-pole high-pass and 2-pole notch filters

N2N2

2x 2-pole notch filters

P2P2

2x 2-pole peak filters

Each band features an optional pre-delay which is turned on/off using the

PrePwr control and set using the Pre control

(whether this parameter is set in seconds or tempo-based values depends on the state of the

Sync control).

The

Pitch control sets the filter cutoff of both filters together, while Res sets the resonance of both. The Sep control

adjusts the separation between the 2 filters.
There is a drive stage in each band, which is adjusted using the

Drive control.