H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/71
H04L 25/49 (2006.01) G11B 20/14 (2006.01)
Patent
CA 1152651
SO1340 S80P107 METHOD AND APPARATUS FOR ENCODING A DIGITAL SIGNAL TO HAVE MINIMAL DC COMPONENT ABSTRACT OF THE DISCLOSURE An analog signal is quantized over a range of quantizing levels, each level being associated with a digital signal, and wherein the digital signals which are associated with a predetermined band of the quantizing levels have zero disparity. In accordance with one aspect, those digital signals which are outside the aforementioned band and which have non-zero disparity are selected to represent corresponding quantizing levels in such a manner that positive and negative disparity signals are selected, alternately, to represent quantized analog signals which are disposed outside the predetermined band. In accordance with another aspect, those zero disparity digital signals having the smallest run-lengths are assigned to represent quantizing levels which are disposed substantially in the center of the quantizing range, and those zero disparity digital signals having progressively larger run-lengths are assigned to represent quantizing levels which are disposed progressively farther from the center of the range.
362736
Fujimori Yasuhiro
Yamamoto Kaichi
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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