User manual

346
The Sample Editor
Warping audio
To correct the timing using the Free Warp tool, proceed as follows:
1. Open the audio file that you want to process in the Sample Editor.
2. Activate the “Snap to Zero Crossing” button on the Sample Editor toolbar.
When this button is activated, warp markers will snap to zero crossings.
3. If you want to use the Free Warp tool for selective timing corrections, you can
define the local definition grid and activate Musical Mode.
The next step is to find out where a warp marker needs to be added.
4. On the Transport panel, activate the Click button, and play back your audio clip to
determine positions where the beat is not on time with the click.
If you find it difficult to pinpoint an exact position in the audio event, you can use
the Scrub tool and/or zoom in the view.
5. On the AudioWarp tab, select the Free Warp tool, place the pointer at the position
of the beat that you want to adjust, click, and hold.
The mouse pointer changes to a clock with arrows on either side and a vertical line
in the middle. A new warp marker is inserted.
6. With the mouse button still pressed, drag the warp marker to the new position and
release the mouse button.
The beat should now be perfectly aligned with the corresponding position in the
project. You can also first add warp markers at the relevant musical positions and
change their positions later, see
“Editing Warp markers” on page 363.
Next to the warp marker handle in the ruler, a number is shown. This number indicates
the warp factor, that is the amount of stretch. Warp factors higher than 1.0 indicate
that the audio region preceding the warp marker is expanded and will play back
slower. Warp factors lower than 1.0 indicate that the audio region preceding the warp
marker is compressed and will play back faster.
Editing warp markers
• To stretch or compress the audio using a warp marker, select the Free Warp tool
and position the pointer on the warp line in the waveform, click and drag.
• To change the position of a warp marker in the audio, click and drag the warp
marker handle in the ruler.
This will change the warping.
• To disable all warp modifications, click the “Disable Warp Changes” button on the
AudioWarp tab.
• To delete a warp marker, hold down [Alt]/[Option] so that the pointer becomes an
eraser, and click on the warp marker. To delete several warp markers, hold down
[Alt]/[Option] while drawing a selection rectangle.
Resetting warp modifications
• To reset your Free Warp edits, click the Reset button on the AudioWarp tab.
This also resets the “Disable Warp Changes” button on the same tab.
Ö If Musical Mode is activated, only Free Warp edits are reset.