PRESONUS AudioBox Stereo Quick Start Manual page 214

The audio in the event is analyzed automatically, and the detected notes are displayed, ready
for editing. Note that the Melodyne Edit view can be maximized and detached in the same
way as the Audio and Music Editors.
When the Melodyne Event Effect is active (meaning the Event FX have not been rendered),
double-clicking on the Audio Event will open the Melodyne Edit view. To switch to the Audio
Editor, press [F2] on the keyboard, or click on the Edit button.
When an Audio Part is edited with Melodyne, as well as any Audio Event with Bend Markers
detected, it is first bounced to a single continuous wave file.
6.13.2 Real Time and Render
As with other Event FX, Melodyne runs in real time by default. This allows immediate
auditioning of the material being edited alongside the rest of the mix. However, it is probably
best to render the edits once you are finished in order to reclaim CPU resources. To do so, click
on the Render button for the Event FX Insert Device Rack in the Event Inspector for the Audio
Event.
As with other Event FX, the state prior to rendering is stored, allowing you to return for further
editing. Melodyne can also be removed entirely from the Audio Event by removing it from the
Event FX Insert Device Rack for the Event, in which case all edits will be lost.
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