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parties state that for broadcasters, this
new technology has the potential to create
new and potentially lucrative revenue streams.
For consumers, MPH enables users to view their
favorite programmes from local broadcasters,
watch movies and sports, and access local
news and weather information, even when traveling
in fast-moving vehicles or using handheld
video devices away from home.
Prototype
mobile MPH receivers developed by LG Electronics
are being used to receive and display the
MPH mobile programmes. Harris installed
the completely compatible MPH encoding and
transmitting equipment at the Artear facilities,
and LG engineers are conducting the mobile
demonstrations. In addition, a member of
Zenith’s engineering team, Tim Laud,
is scheduled to present a technical paper
on MPH at the conference.
The
MPH mobile DTV system leverages Harris'
expertise in broadcast systems — including
transmitters, exciters, encoders and management
software — and the systems development,
integrated circuit design and vast consumer
electronics experience of LG Electronics
and its US subsidiary, Zenith.
To
help commercialise its technology concepts
for the broadcast industry, LG Electronics
turned to Harris. Harris’ systems integration
and research capabilities contributed significantly
to the broadcast system’s development.
The
goal of the companies was to devise a robust,
ATSC-compatible mobile solution for local
broadcasters to maximize the use of their
6-MHz, 19.39 megabit-per-second digital
pathway in providing a wide range of compelling
and profitable consumer services.
This
meant maintaining the centerpiece application,
digital HDTV, a large user base of fixed
receivers in US homes, while simultaneously
reaching viewers on-the-go with a low-bit-rate
digital TV signal and data services.
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