User Manual

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video and audio playback, but the audio of sped up or slowed down clips is always pitch
corrected. Speed effects applied in the Cut page also appear and are editable via several
different methods in the Edit page timeline.
Speed Effects controls in the Viewer toolbar
Speed: Changing this value lets you speed up or slow down playback by a simple
numeric multiplier. You also have the option of choosing a negative value to create
reverse speeds.
Duration: When you retime a clip, the Duration field lets you see how the change you’re
making affects the new duration based on the original duration of the clip with no
speed effect applied.
Easing buttons: These buttons let you change the easing of the speed effect so that
you can ease into or out of a speed effect from normal speed. There are four options:
Linear, Ease In, Ease In and Ease Out, and Ease Out.
Ghosting and Optical Flow Speed Processing buttons: Two buttons let you choose
how the retimed clip is processed in order to improve its visual playback quality,
especially in the case of clips that are slowed down, but also for clips that are sped up.
Ghosting adds dissolves between adjacent frames to interpolate the difference. Optical
Flow uses motion estimation to generate new frames from the original source frames
to create slow or fast motion effects, producing smooth when motion (note that moving
elements crossing in different directions or unpredictable camera movement can cause
unwanted artifacts with Optical Flow processing).
Camera
The Camera controls give you access to Stabilization and Lens correction controls, available by
clicking the buttons within. When you’re within the Stabilization controls or Lens Correction
controls themselves, a Close button takes you back to this top level.
Stabilization and Lens Correction controls in the Viewer toolbar
Stabilization Controls
The Image Stabilization controls use warping and/or translation to let you smooth out or even
lock unwanted camera motion within a clip. The analysis is performed in such a way as to
preserve the motion of individual subjects within the frame, as well as the overall direction of
desirable camera motion, while correcting for unsteadiness.
Stabilization controls in the Viewer toolbar
To stabilize an image, all you need to do is to choose a Stabilization Method from the drop-
down (see below for more information), and then click the Stabilize button. DaVinci Resolve
analyzes the current clip, and applies a stabilization effect.
Chapter – 22 Video and AudioEffects in the Cut Page 468