Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1996-12-12
1999-07-13
Garber, Wendy
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 68, 348845, H04N 726
Patent
active
059238151
ABSTRACT:
There is disclosed an apparatus for decoding and reproducing moving picture experts group (MPEG) video data, including: an encoded data input unit for receiving MPEG video data and outputting a data signal; a data analyzing unit for receiving the data signal which corresponds to a respective portion of the video data, and deciding whether or not the portion should be decoded; a memory interface unit for outputting a control signal in response to an output signal of the data analyzing unit; an external memory unit for storing the MPEG video data in response to the control signal; a data decoding unit for reading and decoding the MPEG video data stored in the external memory unit and restoring the MPEG data in the external memory unit; and a digital video output unit for reading the decoded data out of the external memory unit and outputting the data at a predetermined time. The apparatus operates such that unnecessary data is not stored in the memory of a video decoder in case that the video decoder is operating in a fast playmode, but all video data it is output through the output terminal of the video decoder after being stored in the memory and decoded in the case that the video decoder is operating in a normal playmode.
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Boccio Vincent F.
Garber Wendy
Samsung Electronics Co,. Ltd.
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