Method of digital sound broadcasting in television channels with spectrum interlacing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 1989
Grant Date -
N/A
app pub date -
Dec 23, 1987
filing date -
Dec 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Digital broadcasting of a sound program takes place in a channel of a set of channels. In each channel other than that dedicated to digital broadcasting, the television channel has a spectrum of spectral lines separated by low spectral power density intervals. Digital broadcast is achieved by digital modulation (for instance OFDM) of the transmission with frequency multiplexing using a spectrum interlaced with that of the television. The digital signal is recovered by comb filtering on reception.
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Family
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Cited Art Landscape
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