Voxengo Marvel GEQ User Guide
Version 1.6
https://www.voxengo.com/product/marvelgeq/
Voxengo Marvel GEQ User Guide
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Contents
Introduction 3
Features 3
Compatibility 3
User Interface Elements 4
Graphic EQ View 4
Credits 5
Copyright © 2011-2019 Aleksey Vaneev
Voxengo Marvel GEQ User Guide
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Introduction
Marvel GEQ is a linear-phase 16-band graphic equalizer plug-in with multi-channel
operation support (supporting up to 8 input/output channels, audio host applicationdependent) for professional music production applications. Marvel GEQ offers
extensive internal channel routing capabilities, and supports mid/side channel
processing.
Marvel GEQ allows audio engineers and musicians to apply quick EQ shape
adjustments, both to audio tracks and full mixes. The linear-phase filtering offered
by Marvel GEQ is suitable for equalization tasks where high quality and excellent
sonic character are a must.
Features
16-band graphic equalizing
Freehand drawing mode
Linear-phase equalizing
+/- 12 dB gain range per band
Stereo and multi-channel processing
Internal channel routing
Channel grouping
Mid/side processing
64-bit floating point processing
Preset manager
Undo/redo history
A/B comparisons
Contextual hint messages
All sample rates support
9 ms compensated processing latency
Compatibility
This audio plug-in can be loaded into any audio host application that conforms to the
AAX, AudioUnit, VST or VST3 plug-in specification.
This plug-in is compatible with Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10
and later versions) and macOS (10.7 and later versions, 64-bit Intel processor-based)
computers (2.5 GHz dual-core or faster processor with at least 4 GB of system RAM,
SSE4.2 instructions support required, e.g. any Intel Core i-, AMD Bulldozer- or Zenbased processor). A separate binary distribution file is available for each target
computer platform and audio plug-in specification.
Copyright © 2011-2019 Aleksey Vaneev
Voxengo Marvel GEQ User Guide
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User Interface Elements
Note: Most interface elements (buttons, labels) located on the top of the user
interface and on the bottom are standard among all Voxengo plug-ins and do not
require much learning effort. For an in-depth description of these and other
standard user interface elements and features please refer to the “Voxengo Primary
User Guide”. Learned once it will allow you to feel comfortable with all pro audio
plug-ins from Voxengo.
Graphic EQ View
Marvel GEQ features a single graphic EQ view, having sixteen +/- 12 dB equalizer
bands each, spanning from 20 Hz to 20 kHz. Graphic EQ View features the “Reset”
button which allows you to reset the current group to the default setting; the “Inv”
button that inverts the equalizer curve, and the “Up-Down” button, which being
dragged allows you to scale the equalizer curve in order to amplify or attenuate it.
The “Edit group” selector selects which channel group’s EQ shape should be edited in
the view, the “Underlay” selector selects which channel group’s EQ shape to display
underlay. EQ settings of one group can be copied to another group by using the
“Copy to” button.
Underlay can be useful when manipulating two EQ shapes for two channel groups
simultaneously, to see how these shapes differ from each other. When working with a
single channel group, the underlay is usually unnecessary.
Note that the band gain read-outs can be dragged for vertical linear adjustment, or
adjusted with the mouse wheel. You may also double-click the read-out for keyboard
value entry.
You may hold the right mouse button on the equalizer view to enable “drawing” mode
allowing you to quickly draw a sketch of the required equalizer curve. Additionally
holding the “Ctrl” (“Command” on Mac OS X) in the “drawing” mode you can reset
the bands to the default state.
Marvel GEQ performs linear-phase equalization by building a so called “finite
impulse response” filter kernel. Note that due to a limited size of this kernel, the EQ
shape’s precision in the lower frequencies is low – for example, when you boost only a
single band at 126 Hz, its effective gain may be lower than the value you have
specified: you have to boost adjacent bands as well to reach the required gain value at
126 Hz.
Copyright © 2011-2019 Aleksey Vaneev
Voxengo Marvel GEQ User Guide
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Credits
DSP algorithms, internal signal routing code, user interface layout by Aleksey Vaneev.
Graphics user interface code by Vladimir Stolypko. Graphics elements by Vladimir
Stolypko and Scott Kane.
This plug-in is implemented in multi-platform C++ code form and uses “zlib”
compression library (written by Jean-loup Gailly and Mark Adler), LibLZF by Marc
Alexander Lehmann, VST plug-in technology by Steinberg, AudioUnit plug-in SDK by
Apple, Inc., AAX plug-in SDK by Avid Technology, Inc., Intel IPP and run-time
library by Intel Corporation (used under the corresponding licenses granted by these
parties).
Voxengo Marvel GEQ Copyright © 2011-2019 Aleksey Vaneev.
VST is a trademark and software of Steinberg Media Technologies GmbH.
Copyright © 2011-2019 Aleksey Vaneev
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