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new segment protocol: A protocol that defines a way to present start and stop times and data rate information to the filter in advance of the data, so that a filter can adjust its processing accordingly.
nonlinear editing: A method of editing program material where the final output product is not generated until all editorial decisions are made. All edit decisions are maintained in an edit list that drives a real time preview. No recording is made until the edit decisions are finalized. This necessitates a real-time, multi-event playback mechanism using digital video and audio stored on disk drives. These systems are used primarily for offline editing, although higher end systems with broadcastable quality video are now available.