Appeal No. 2006-3034 Page 2
Application No. 09/855,115
Representative claims 1 and 6 are illustrative:
1. A method for encoding of a digital video image signal in an encoder
apparatus having a coding stage and an encoder buffer, the method
comprising the steps of:
• successively encoding image fields of the signal in compliance with a
predetermined coding scheme;
• reading the encoded field data into the buffer; and
• subsequently reading the stored data out of the buffer at a bit rate
determined at least partially by the fullness of the buffer;
• wherein each image field is encoded as a series of slices each
comprised of a predetermined number of successive lines of the field,
with a predetermined number of data bits allocated for the encoding of
a slice, and the encoded data for the slice is read into the encoder
buffer and subsequently read out therefrom on completion of encoding
of the slice.
6. A digital video image signal encoder apparatus comprising:
• an encoding stage arranged to receive successive image fields of the
signal and encode them according to a predetermined coding scheme;
and
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