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Keyframe




In Video Compression , a key frame is a frame encoded without reference to any images in another frame. It is often followed by one or more Inter Frame s which are calculated from the preceding key frame.

In Non-linear Digital Video Editing , a key frame is a frame used to indicate the beginning or end of a change made to the signal. For instance, a key frame could be set to indicate the point at which audio will have faded up or down to a certain level.