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Good-bye to TV ghosts

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1 Author(s)

A broadcast ghost-canceling reference signal that will enable digital signal-processing circuits in TV sets to erase multipath distortions is discussed. A typical receiver ghost-canceling system, consisting essentially of a channel identifier and ghost-canceling filters, is described. Factors affecting the choice of a ghost-canceling reference (GCR) signal as a standard are examined. Results of field tests of five GCR systems proposed as US standards are reported.<>

Published in:

IEEE Spectrum  (Volume:29 ,  Issue: 7 )