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10 Convolution Reverb:
Space Designer
This chapter introduces you to Logic’s Space Designer
Reverb effect.
Space Designer is a convolution reverb plug-in. Reverberation is generated by means of
a real-time convolution process, using any loaded impulse response (IR) recording
(reverb sample). Put another way, an IR recording of an actual real-world room, a
vintage plate or spring reverb unit, for example. The result is an exceptionally realistic
reverb/room sound.
An impulse response can be viewed as the total echoes (reflections) in a given room,
following an initial signal spike. The waveform display of an IR is also known as a
reflectogram. The IR file is simply an audio file.
Space Designer is able to modify existing impulse responses, providing unprecedented
control over dynamics, timbre, and length via a comprehensive set of parameters such
as envelopes and filters. The graphically-editable envelopes are optimized for reverb
tasks, allowing the creation of ultra-smooth envelope curve shapes.
In addition, Space Designer includes an innovative on-board IR synthesis facility that
incorporates the editing flexibility of the envelopes and filters. Reverbs based on
synthesized IRs provide an incredibly rich and smooth sound.
The sound of the Space Designer reverb never exhibits the shattering or resonances
typical of conventional reverb units—just smooth and rich reverb tails—even when
using extreme settings on the most complex of input material.