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HD24/96 Technical Reference 49
Edit operations may be undone or re-done in the order on which they appear on the History
list.
History List
With the history list, editing isn't like heart surgery – the History list offers a safety net to
undo any series of editing operations. The History List is discussed in detail in the List Panel
section (page 21). It’s important to mention here because the history that’s listed, in
addition to recording passes, includes all of your editing operations, and it’s the key to non-
destructive editing. By deleting entries from the History list, you can undo any editing
operation.
The following activities are recorded in the History List. They can be undone as long as the
list remains active for the project: Record pass, split, crop, cut, copy, paste, move region(s),
resize a fade-in, resize a fadeout, and resize a region. The only operation that isn’t recorded
on the History list is Envelope modifications – node additions, movements or erasures.
Note: Backing up the edit list to or prior to a Record pass can be destructive. If you undo a
Record pass, you’ll be asked if you want to delete the recorded audio. If you respond
“YES”, the Record Pass will be removed from both the History List and the Region List. It’s
history, and you can’t recover it, nor can you re-do any editing operations that followed the
Record pass on the list. If you respond “NO” to the “Do you want to delete the recorded
audio?” prompt, you’ll still move up the history list, but the list entries will remain intact – for
the moment.
The next editing operation you perform while you’re above the Recording Pass entry in the
History List will take precedence, and the Recording Pass entry, as well as the remainder of
the History List, will disappear. The recorded audio remains in the Region List, however, so
it can be recovered if necessary.
Cut
Cut removes the current selection (on one or multiple tracks) from the track area and places
it on the clipboard. You can Cut either an area selection made with the I-Beam tool (on one
or multiple tracks) or a region selected with the Hand tool. Cut works contiguously across
empty track space in the selected area – i.e. unrecorded sections within the selected area
are placed on the clipboard along with recorded audio in the selected area. If pasted
elsewhere, the pasted section will include the blank spaces.
The Cut command is accessible from the pulldown Edit menu at the top of the GUI screen,
or by clicking on the CUT button on the Tools panel. The keyboard shortcut is Ctrl-X.
Delete
The keyboard Delete key is similar to Cut, but not quite. It indeed cuts, but it does not place
the cut segment on to the clipboard. After a Delete operation, the clipboard retains its
previous contents. Delete operations are entered on the History List, so they can be
undone.
Copy
The Copy command copies the selection(s) or selected region(s) from the track area to the
clipboard. A region or selection is unaffected by a Copy operation. It remains where it was.
Like Cut, Copy works contiguously across empty track space in the selected area – i.e.
empty track space which is included in the area marked for copying is placed on the