Apparatus, systems and methods for providing multiple video data streams from a single source
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Nov 15, 1993
filing date -
Nov 15, 1993
priority date (Note) -
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Abstract
A method is provided for generating a output composite video data stream. During a first phase of a set of processing phases, a frame of first video data is received and then downscaled to produce a first block of data. Also during the first phase, the first block is stored and then retrieved from a first memory space. The first block is next upscaled and then output as a first field of a composite video data stream. During a second phase of the set of processing phases, a frame of second video data is received and downscaled to produce a second block of data. Also during the second phase, the second block of data is stored and then retrieved from a second memory space. The second block is next upscaled during the second processing phase and then output as a second field of the composite video stream.
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