G - Physics – 11 – B
Patent
G - Physics
11
B
352/19, 354/67,
G11B 27/00 (2006.01) G06T 9/00 (2006.01) G11B 20/14 (2006.01) H03M 5/14 (2006.01)
Patent
CA 1252199
ABSTRACT OF THE DISCLOSURE A method of reducing DC components in a digital information signal comprised of a plurality of 8-bit data words by converting each of the 8-bit data words to a 10-bit data word, comprises the steps of: selecting the 10-bit data words having a sequence of the logic level "1" or "0" less than two bits from both boundaries of the 10-bit data words; classifying the selected 10-bit data words into a first group consisting of 10-bit data words having five logic level "1" bits, a second group consisting of 10-bit data words having six logic level "1" bits, and a third group consisting of 10-bit data words having five logic level "1" bits, with the third group being formed by inverting the 10-bit data words in the second group; and further assigning the 8-bit words alternately to the 10-bit words in the second and third groups when such 8-bit words correspond to previously assigned 10-bit words having six logic level "1" bits and assigning the remaining 8-bit words to the 10-bit words in the first group.
492458
Gowling Lafleur Henderson Llp
Sony Corporation
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