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Audio Effects
Volume Envelope
Sets the volume on an audio stream.
- Vol - Volume, as a percentage of the authored volume. You can produce audio fades by varying this property value over time.
Each object in a timeline can have at most one volume envelope effect. In a composition or a group, the volume envelope is applied first, before any other audio effects, regardless of its priority. In a source or a track, the volume effect is applied according to its priority.