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Tempo Mapping "freely recorded" Music using Time
Locked Tracks
The Master Track editor interacts with Cubase VST’s Time Locked Tracks in a spe-
cial and very useful way. If you change the tempo in the Master Track editor, notes
on Time Locked Track will get moved, bar-wise, so as to make them still appear on
the same time positions. You can use this to your advantage:
• To "reposition" Events in music recorded without a metronome, so that
they fit the meter positions in Cubase VST.
• To match music to for example sound effects or other audio Events that
occur on fixed time positions, rather than meter positions.
Observe this when working with Time Locked Tracks
Time Locked Tracks are described in general in their own chapter in this book.
Please just observe the following points:
• The time it will take to recalculate Time Locked Tracks depends on the
number of tempo changes in your Arrange window. When you work with the
Master Track editor it is common to have very large amounts of Tempo Events.
This will lead to noticeable recalculation times (sometimes
very
long) in two
cases: when you adjust the Tempo curve and when you use Straighten Up.
• Try to avoid to edit a Part on a Time Locked Track in a MIDI editor, at the same
time as you are changing the tempo in the Master Track editor. The reason is
that if a tempo change happens to move an Event so that it winds up on a po-
sition before the
beginning
of its Part, this Event will be lost!
Working with Time based Events
If you already have Events on Time Locked Tracks which indicate important posi-
tions (Hits) in the music, you can use these as a basis for your tempo changes:
1. Time Lock the Tracks that have Events which happen on "fixed" Time Po-
sitions.
2. Open a MIDI editor and select the Events you want to use as Hitpoints in
the Master Track editor. Note down the position of the first of the se-
lected Events.
3. Open the Master Track editor and set the Song Position to the position of
the first Event you copied.
4. Select Paste. The Events are now Pasted in as Time Hits and can be used
as a basis for Tempo Matching or Straighten Up, as described in the pre-
vious section.
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