11.5

Software / VST instruments 229
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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.
Note: As long as the instrument is not entirely unloaded from the track it
remains loaded into the RAM memory of the system. Samplers or instruments
that require considerable amounts of memory also require this when their insert
tracks have been frozen.