Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1996-01-31
1999-11-09
Olms, Douglas W.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 8, 386117, 348220, 3589091, H04N 5225, H04N 576, H04N 591, H04N 979
Patent
active
059829842
ABSTRACT:
In a case frame image possessing an amount of data greater than a predetermined amount is recorded on a magnetic tape using a multiplicity of tracks, on which tracks the data has been recorded is made clear. Image data composed of 1,400,000 pixels, which is four times that of the conventional number of 350,000 pixels, is obtained. Since the image data has an amount of data that is four times that in a frame image when photography is performed using the conventional 350,000-pixel CCD, the image data is recorded in a video recording area one frame at a time on ten tracks per frame, for a total of 40 tracks. Auxiliary-area recording data representing on which tracks the recorded image data has been recorded and the manner in which the recorded image has been partitioned is recorded in an auxiliary recording area. One frame of a still picture is produced after reference is made to the auxiliary-area recording data that has been recorded in the auxiliary recording area. An image can be reproduced promptly even though an image having a large amount of data is recorded on the recording tape upon being partitioned.
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Nikkei electronics Book "Data Compression and Digital Modulation", pp. 137-152, Nikkei BP Sha 1993 (Japanese).
Fuji Photo Film Co. , Ltd.
Olms Douglas W.
Vincent David R.
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