Patent ID: 7190878

Claim:
Apparatus for editing original video data of a first format, wherein said first format has inserted jitter frames and is displayed at a first frame rate, comprising reading means configured to read original video data in said first format from a video storage device; converting means for converting said video data read by said reading means into converted video data having a second format with no jitter frames, displayed at a second display rate; relating means configured to relate time-code of said converted video data to time-code of said original data so as to identify frame types for said converted video data; modifying means configured to modify a portion of said converted video data to produce modified video data in said second format; generating means configured to generate new video data in said first format by processing said modified video data; and edit processing means configured to replace an edit portion of stored original data with said new data by defining an edit range with reference to said new data, selecting an edit field with reference to said frame type so as to initiate said edit on a data boundary, write said new data to said storage device, and select an edit field again before completing said process of writing said new data with reference to said frame type data so as to complete the edit on a data boundary.