News Burst: Motorola erases HDTV 'ghosts'

Communications giant Motorola claims it has solved a potentially serious glitch in high-definition and digital television (HDTV) broadcasting that prevents quality viewing in cities.

The company believes that a new digital signal processing architecture built in to its latest MCT2100 demodulator chip will eliminate multipath reflections -- or ghost signals -- traditionally caused by obstacles to reception, such as large buildings.

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