Welcome
- What’s new in Logic Pro for Mac 10.7.8
- What’s new in Logic Pro for Mac 10.7.5
- What’s new in Logic Pro 10.7.3
- What’s new in Logic Pro 10.7
- What’s new in Logic Pro 10.6
- What’s new in Logic Pro 10.5
- What’s new in Logic Pro 10.4
- What’s new in Logic Pro 10.3
- What’s new in Logic Pro 10.2
- What’s new in Logic Pro 10.0
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Glossary
Copyright

Space Designer volume envelope in Logic Pro for Mac

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.

Figure. Volume envelope, showing parameters and nodes.

Volume envelope parameters

Init Level parameter: Set the initial volume level of the impulse response attack phase. Drag the node vertically. 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 parameter: Determine the time before the decay phase of the volume envelope begins. Drag the node horizontally.
Decay parameter: Set the length of the decay phase. Drag the node horizontally. Vertical drag sets the End Level value.
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. Drag the node vertically. Horizontal drag sets the Decay time.
- 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.
Bezier curve and nodes: Drag the curve line and hollow nodes to create new, or to change existing: convex, concave, or s-curve shapes for the associated volume envelope phase.

Download the guides:

Logic Pro User Guide: Apple Books | PDF

Logic Pro Instruments: Apple Books | PDF

Logic Pro Effects: Apple Books | PDF

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