ABC's prime time high-definition television (HDTV) programming for the
2001-2002 season is being offered in Dolby Digital 5.1 (AC-3) surround sound,
the only network to employ the Dolby technology for HDTV.
Consumers must have a Dolby Digital 5.1 receiver and a five-speaker home
theater system with subwoofer, however, to get the full