PRESONUS AudioBox Stereo Quick Start Manual page 188

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Lots of Silence. Choose this for material that contains lots of silence and
single hits—for instance, a clean, typical single-drum recording (hat, kick).
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Little Silence. Choose this for material that has some action going on but still
has some silence—for instance, minimal techno/single drum loops, ride, or
snare tracks.
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Noise Floor. Choose this for material where there is almost no real silence—
for instance, noisy drum recordings, overheads, drum mixes, and drum loops.
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Manual. Allows the Open and Close Threshold to be manually edited.
Open Threshold. Set between -80 and 0.00 dB.
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Threshold Link. Engage to link the Close Threshold to the Open Threshold.
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Close Threshold. Set between -80 and 0.00 dB.
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Events. This section determines the nature of the Events created after removing silence.
Minimum Length. Determines the minimum length in seconds for any resulting
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Event.
Pre-Roll. Determines the amount of time in seconds that should remain at the
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beginning of resulting Events from the time at which the previously detected silence
ends.
Post-Roll. Determines the amount of time in seconds that should remain at the end of
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resulting Events from the time at which newly detected silence begins.
Fade-In. Determines the length in seconds of the linear fade-in applied to resulting
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Events.
Fade-Out. Determines the length in seconds of the linear fade-out applied to
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resulting Events.
6.4.8 Audio Parts
It is often convenient to merge multiple separate events into a single object in order to move
them all together or simply to clean up the Arrangement. This is accomplished with Audio
Parts.
To create an Audio Part, select the Audio Events and then press [G] on the keyboard. This
makes the separate Events appear and function as a single Event in the arrangement while
also appearing and functioning as separate Events in the Editor. It is then much simpler to, for
instance, duplicate a chorus in the arrangement and retain access to the individual events for
editing crossfades and other details.
An Audio Part can also be created with the Paint tool in the Audio Editor; Audio Events can
then be dragged in or out of the Part. An event must be completely inside or outside of the
Part to enter or leave it.
Audio Parts support shared, or ghost, copies, with the exception of Event FX, which only have
one instance per Event.
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