H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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19/00
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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H04N19/42
characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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H04N19/423
characterised by memory arrangements
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