GGrain-Manual.pdf

Welcome to GGrain

GGrain is a granular resynthesis effect. It randomly takes short snippets (or "grains") from

the incoming audio, modifies them, and then reassembles them.

Despite the random element of the process, the resulting sound retains much of the

character of the original material.

Hints

GGrain is one of the more experimental GVST effects. It can require high levels of

CPU power and is usually best used off-line.

You can create especially interesting vocal effects using GGrain. There are a couple

of useful presets to get you started.

Interface

The GUI features eight knobs and a switch to control all of GGrain's parameters. All of the

controls are labelled appropriately.

Grains: This controls the maximum number of grains processed by GGrain at any instant.

Using a small number of grains results in a sparse, grainy sound. Using more grains gives

a fuller, denser sound. This parameter also has a direct effect on CPU usage, with more

grains requiring more processing power.

Size and SizeVar: The "Size" parameter controls the base length of each grain taken from

the input. The "SizeVar" parameter allows the grain length to vary randomly for each grain.

When GGrain takes a grain from the input, its length will be a randomly chosen value

between "Size" minus "SizeVar" and "Size" plus "SizeVar".

Pitch and PitchVar: The "Pitch" parameter actually controls the playback speed of a grain,

which consequently affects its pitch. A grain's pitch can be shifted by up to an octave up or

down. The "PitchVar" parameter allows the pitch-shift to vary randomly for each grain.

When GGrain plays back a grain, its pitch will be shifted by a randomly chosen amount

between "Pitch" minus "PitchVar" and "Pitch" plus "PitchVar".

Gain and GainVar: The "Gain" parameter controls the playback volume of a grain. The

"GainVar" parameter allows the gain to vary randomly for each grain. When GGrain plays

back a grain, its volume will be adjusted by an amount between "Gain" minus "GainVar"

and "Gain" plus "GainVar".

Mix: This parameter controls the mix of the original and resynthesised signals. At 0%,

GGrain will pass only the input signal, and at 100% it will pass only the resynthesised

signal.

High Quality: When this switch is on, GGrain operates in high-quality mode. In this mode

GGrain uses better interpolation during playback and employs filters to minimize aliasing.

This mode consumes considerably more CPU power than the normal mode.

License

GVST plug-ins are provided to the user at no cost. While every GVST plug-in is tested

to the best of the developer's ability, no warranty or guarantee is offered to the end

user.

No suggestions made by the developer or his representatives (i.e., freely offered

support) are to be taken as an implied warranty or guarantee.

These plug-ins may only be distributed by the official GVST website, or by parties

explicitly given permission by the developer.

GVST plug-ins are to be distributed only in their original form as intended by the

developer (i.e., the unaltered archive).

GVST plug-ins are freeware, meaning you are never under any obligation to pay for

them! However, should you wish to help support continued development of GVST

software, please consider donating through the official website.

Credits

Development, code, website and graphics by Graham Yeadon.

Documentation by Greg Pettit and Graham Yeadon (many thanks to Greg for all of his

help).

VST technology copyright Steinberg GmbH.

The "VST" name and logo are registered trademarks of Steinberg GmbH.

I would not make these plug-ins available if I did not feel that they were safe and stable. However, I

cannot take responsibility for any damage, difficulty, or stress caused by their use. Please do not

download any software unless you agree with the license conditions. VST and Windows are trademarks

of Steinberg and Microsoft respectively.

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