11.0

234 Software / VST instruments
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Freezing instruments (freeze)
Software instruments require CPU power for playback, which at
some point can be quite considerable and is required during every
playback. Therefore, please use the "Freeze" function to release the
CPU power for VSTi tracks temporarily. You retain full control over
the MIDI objects of this track, which can be restored (“de-frozen”) at
any time.
To “freeze” an instrument, select the “Track freeze” option in the
track menu (Ctrl + Shift + F). After a short processing time, all MIDI
and audio objects are replaced by a single, resource-friendly, 32-bit
stereo audio object, which is now played back instead of the original
object and the instrument. The existing automation data and track
effects are already included in this freeze object.
The actual instrument of this track is no longer addressed by MIDI
files of this track and can even be deactivated, provided that it is not
used by other MIDI tracks.
Select “Track unfreeze” (Ctrl + Shift + U) to change the original MIDI
data at a later point in time that was "frozen”. The track is now
returned to the state in which it was "frozen", but again requires the
initial CPU power for processing the instrument.
Alternatively, you can use the feature “Edit track freeze”. In this case,
a new single-track VIP is opened with the original track. This track
cannot be played together with your arrangement. As soon as you
save this project, a new freeze object is processed and included in
the original project.
Freeze also works with single outputs in different tracks than the
main output track (instrument outputs 1+2). You can also freeze
these tracks if they do not contain MIDI information and do not hold
objects. The MIDI data that has been routed to the track or to the
individual output of the instrument automatically creates an audio file
that is now played instead of the original instrument. In order to
prevent double playback of the data, deactivate the single output of
the instrument manually in the frozen track.
To edit freeze data you cannot only use the "Track freeze edit"
function, since there is no MIDI data available on this track that could
be edited. Therefore, “unfreeze” the track and edit the MIDI data of
the send track. You can then refreeze the track.