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Ghost clean system

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4 Author(s)
Iga, Hiroyuki ; Toshiba Consumer Products Eng. Lab., Yokohama, Japan ; Matsue, H. ; Ishii, A. ; Miyazaki, I.

A cost-effective compact digital ghost canceling system has been developed. The essential elements of the system are a highly integrated 64-tap transversal filter, a control IC with signal processor, and a unique iteration algorithm. The ghost canceling TV tuner using the system reduces most ghosts to more than 40 dB in S/I, i.e. most residual ghosts are not perceptible. In addition, it cancels ghosts rapidly using a ghost channel memory. The system operates stably for both strong ghosts and low signal-to-noise ratio

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:36 ,  Issue: 4 )