ALLEN & HEATH GLD Digital Audio Mixing System User's Guide download pdf (Page 22)

GLD Touch Screen Reference V1.2 – Issue 1 22 ALLEN&HEATH

Gated Verb

An accurate emulation of the classic 80’s Gated Reverb

plus two other variants called ‘Panned’ and ‘Powerbox’. The

user interface gives instant access to Lo-cut Hi-cut decay

spectrum filters and the gate envelope controls - predelay,

attack, hold and release.

We depart from the 80’s and provide a visual representation

of the gate time domain envelope helping the engineer ‘see

the time envelope of the gate’. Also included are mono,

stereo and wide imaging options and decay diffusion

control.

Lo cut Decay Filter - 20Hz – 6kHz, 24dB/octave Hi Pass

Filter to control the decay spectrum.

Hi cut Decay Filter - 400Hz – 20kHz, 12dB/octave Low

Pass Filter to control the decay spectrum.

Time domain Gate envelope controls:

Predelay - 0 - 170ms adjustable pre-delay of gate opening

(prior to attack starting).

Attack - Time period for gate to open.

Hold - Time period that the gate remains fully open.

Release - Time period for gate closing.

Maximum gate open time (attack + hold + release) =

500ms.

Models:

Classic nonlinear - Emulates the faithful 80’s classic gated

reverb.

Panner - Rapid panning between L and R in the reverb.

Short time movement FX.

Powerbox - Max power in gated energy. Not as de-

correlated as classic non-linear.

Mono/Stereo/Wide - Option to switch between mono,

stereo and wide stereo field output.

Diffusion - Minimum diffusion for ‘clear’ low diffusion in the

reverb decay. Maximum diffusion for ‘rich’ highly diffused

reverb.

Preset Name is displayed. Touch and scroll using the

screen Rotary for live update. This is a way of live

auditioning all library presets for this module (factory, user

and USB). You can also select and recall a particular preset

using the Library window.

ADT Doubler

An Automatic Double Tracking module capable of creating

short echo/chorusing, classic double tracking and

‘slapback’ tape delay loops.

The ADT is very effective in creating stereo double and

quad tracked voices from a mono input. There is also a

stereo width enhancer. The tracked voices can be auto

panned in the stereo field. The ADT is perfect for creating

classic doubling effects, thickening programme on stage or

developing a stereo sound field without resorting to

chorusing.

The module is stereo in, stereo out (with software

normalised mono input if the source is mono). ADT will

create a stereo field from a mono source.

Delay Separation - Min position for short delay separation

producing Chorusing with Thickness set high. Mid position

for classic doubling. ¾ position with thickness high for

echo-chorusing. Max position with low thickness for tape

loop and slapback Echo.

Thickness - Creates flutter modulation in delay voices. Very

high settings can smear detail on some programme.

Double/Quad Track - Clear double tracking in the first

position. Switch across for thicker quad tracking. With some

programme Quad can get too thick and smear detail.

Wide - Extends the delay separation differences between

Left and Right enhancing the stereo image.

Autopan - Automatically pans the chorus voices (wet signal

only, not the dry signal). This is level modulation of the wet

effect (not the dry signal) across the stereo field. It is not

complete signal auto panning.

Depth - Determines the amount of movement across the

stereo field. Use higher settings for a stronger effect.

Speed - Determines the speed of movement across the

stereo field.

Preset Name is displayed. Touch and scroll using the

screen Rotary for live update. This is a way of live

auditioning all library presets for this module (factory, user

and USB). You can also select and recall a particular preset

using the Library window.

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ALLEN & HEATH GLD Digital Audio Mixing System User's Guide Page 22

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