Abstract: A method is provided for equalizing an amplitude modulated compatible digital broadcasting signal which includes an amplitude modulated radio frequency signal having a first frequency spectrum, the amplitude modulated radio frequency signal having a first carrier modulated by an analog program signal, a plurality of digitally modulated carrier signals positioned within a bandwidth which encompasses the first frequency spectrum, a first group of the digitally modulated carrier signals including complementary signals and lying within the first frequency spectrum, and second and third groups of the digitally modulated carrier signals including non-complementary signals and lying outside of the first frequency spectrum.
Type:
Grant
Filed:
October 2, 1998
Date of Patent:
September 18, 2001
Assignee:
USA Digital Radio Partners, LP
Inventors:
Don Roy Goldston, David Carl Hartup, Marcus McLenn Matherne