Appeal No. 1996-4091
Application 08/167,394
Appellants argue on page 5 of the brief that the
invention as disclosed in the specification beginning on page 9
comprises specific operations to manipulate HD macroblock
information to directly derive SD macroblock information.
Appellants further argue that Figure 2 shows that the information
contained in each group of the HD macroblocks is used to derive
an SD macroblock located spatially and temporally coincident with
the HD group. Appellants further argue that the process of
determining the mode of the SD macroblock is represented by the
block labelled "Mode Selection Processor 50" and described
beginning on page 9, line 6, of the specification and continuing
to page 10, line 17, in conjunction with Table I on page 8a. On
page 6 of the brief, Appellants further argue that the process
performed in the partial SD encoder 40 relates to the use of
motion vector information from an HD macroblock to derive motion
vectors for the derived co-sited SD macroblock. Appellants point
to the specification beginning on page 10, line 18, for the
disclosed operations which are represented by the block 40.
Appellants argue that the implementation of converting HD
macroblock information to SD macroblock information directly
would have been readily accessible to one of skill in the art
without undue experimentation from Appellants' disclosure.
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