Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-09-16
1999-11-30
Casler, Brian L.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386124, 386111, 386 68, H04N 576
Patent
active
059957077
ABSTRACT:
An improved speed change reproduction recording apparatus for a VCR of an HDTV and a method thereof capable of achieving a better resolution during a speed change reproduction operation which includes a normal reproduction bit stream processing unit for converting an HDTV bit stream into a VCR recording format and for outputting a normal reproduction bit stream; a system decoder for separating a video bit stream from a transmission layer of the HDTV bit stream; a video stream processing unit for extracting a speed change reproduction data from a video bit stream separated by the system decoder and for converting the thusly extracted speed change reproduction data into a format of a video syntax; a system encoder for reformatting a speed change reproduction data outputted from the video bit stream processing unit into a transport packet which is a transmission standard in accordance with a header information outputted from the system decoder; a recording format processing unit for converting a speed change reproduction data outputted from the system encoder to a VCR recording format and for storing the thusly converted into a corresponding frame buffer, and a track recording format unit for selecting a normal reproduction data outputted from the normal reproduction bit stream processing unit and a speed change reproduction data outputted from the recording format processing unit in accordance with a proper timing.
REFERENCES:
patent: 5377051 (1994-12-01), Lane et al.
patent: 5461486 (1995-10-01), Uchida
patent: 5535008 (1996-07-01), Yamagishi et al.
patent: 5557418 (1996-09-01), Schaefer
Casler Brian L.
Din Luannl P.
LG Electronics Inc.
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