Patent attributes
The present disclosure includes systems and techniques relating to changing video playback rate. In general, one aspect of the subject matter described in this specification can be embodied in a method that includes providing a user interface for a digital video editing system, the user interface including a graphical representation of playback rate and playback duration for a sequence of digital video, and the user interface including defined points that reference respective frames in the sequence of digital video; receiving input specifying a change in playback rate for the sequence of digital video; and showing the change in playback rate and a corresponding change in playback duration for the sequence of digital video, the showing including moving one of the defined points in accordance with a new temporal position of a corresponding frame referenced by the one of the defined points.