Vestigial sideband test signal generator and method

Details Vestigial sideband test signal generator and method Vestigial sideband test signal generator and method

1996-03-26

1998-05-12

Kostak, Victor R.

Television

Monitoring, testing, or measuring

Test signal generator

348192, 348390, 375224, H04N 1700

Patent

active

057513473

ABSTRACT:
A test signal generator presents a test signal of pseudorandom data in a format which simulates the Grand Alliance Transmission Layer Signal for the 8- or 16- vestigial sideband (8/16-VSB) signal for Advanced Television (ATV) systems. An actual (non-test) Transmission Layer 8/16-VSB signal for ATV is in a particular format with properly formatted sync information and includes data which have been randomized, Reed-Solomon coded, interleaved, and trellis coded. The test signal generator provides data in the particular 8/16-VSB format which simulates the Grand Alliance transmission signal.

REFERENCES:
patent: 3715666 (1973-02-01), Mueller et al.
patent: 4141072 (1979-02-01), Perreault
patent: 5119196 (1992-06-01), Ayanoglu et al.
patent: 5353307 (1994-10-01), Lester et al.
"VSB Transmission System", Grand Alliance pp. 1-24, Sep. 1994.

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