Abstract
An experimental digital VCR system for home use is described. A high-quality moving picture is obtained by a newly developed bit rate reduction technology, which is based on subband and three-dimensional DCT (discrete cosine transform) coding. A high-density magnetic recording method which adopts a 12-to-15 modulation scheme and superimposed error correction coding enable sufficient recording time with a small cassette. Component video signals with a ration of 4:2:2 were compressed to about the ratio of 1/7, keeping a high quality, using the subband and 3-D-DCT coding method. >
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Schedule a callMore From: IEEE Transactions on Broadcast and Television Receivers
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