3.5

287MainStage Effects
MainStage SpaceDesigner volume envelope
The volume envelope is used to set the reverb initial level and to control volume changes
over time. You can edit all volume envelope parameters numerically, and you can also edit
many of them graphically. See Edit SpaceDesigner envelopes in MainStage.
Volume envelope parameters
• Init Level field: Set the initial volume level of the impulse response attack phase. It is
expressed as a percentage of the full-scale volume of the impulse response file. The
attack phase is generally the loudest point of the impulse response. Set Init Level to
100% to ensure maximum volume for early reflections.
• Attack field: Determine the time before the decay phase of the volume envelope begins.
• Decay field: Set the length of the decay phase.
Note: The overall decay is determined by the global Length and Size parameter values.
To explain, a Length value of 100% and a Size value of 100% result in a decay that is the
full length of the loaded impulse response.
• Exp button: The decay curve of the volume envelope is shaped by an exponential
algorithm, in order to generate the most natural-sounding reverb tail.
• Lin button: The decay curve of the volume envelope is shaped by a linear algorithm,
and results in a less natural-sounding reverb tail.
• End Level field: Set the end volume level. It is expressed as a percentage of the overall
volume envelope.
• If set to 0%, you can fade out the reverb tail.
• If set to 100%, you can’t fade out the tail, and the reverb stops abruptly if the end
point falls within the tail. If the end time falls outside the reverb tail, End Level has
no effect.
MainStage SpaceDesigner filter and filter envelope
The filter provides control over the timbre of the reverb.
You can choose from several filter types and also have envelope control over filter cutoff.
Changes to filter settings result in a recalculation of the impulse response rather than a
direct change to the sound as it plays through Space Designer.
The main filter parameters are shown at the right side of the parameter bar when the filter
envelope is selected in the main display.