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News
CEA Publishes User Interface Standard for Home Networks
Using Web Based Protocols: CEA-2027 IP GUI Connects HDTVs and Home
Networks (28/9/2004)
The Consumer Electronics Association (CEA) announced
today that its R7 Home Networking Standards Committee has approved
CEA-2027 for publication. This standard details mechanisms to allow
audio/video (A/V) devices connected via a home network to present
a status and control user interface (UI) on a network-attached rendering
device, such as a digital television. CEA-2027 uses Web browser-based
communications, including Hyper Text Transfer Protocol (HTTP) commands,
to provide access and control of networked components through the
main TV screen from a single remote control. The standard specifies
a method for encapsulating UI data using web and Internet protocols
and contains provisions for transfer of device control screens to
a TV or other digital rendering device. This is the initial release
of the standard is for DTV-Link on an IEEE-1394 connection - also
known as Firewire TM or iLink - but work has already begun on an
addition to the standard to add an Ethernet connection.
"CEA is proud to be on the forefront of the
HDTV transition by standardizing on technologies that will provide
seamless communications of HDTVs connected to home networks and
the Internet," explained Gary Shapiro, President and CEO of CEA.
"This standard will help ensure that TVs in the future continue
to add value to consumers' viewing experience beyond simply displaying
a picture, and that TVs remain the intelligent point of control
for home entertainment."
Interoperability through standardized communications
between devices in the home is essential for mass-market adoption
of home networks. Internet Protocols (IP) have emerged as a unifying
and nearly ubiquitous way to connect CE devices to home networks
because personal computers and related devices already support IP.
Unlike most previous home networking standards, this standard supports
full control of any networked device, including all of its unique
functions defined by the device manufacturer. This allows device
manufacturers to continue to add differentiating features to their
products that can be extended across the home network.
"Some product manufacturers have been reluctant
to add networking connectivity to their products due to concerns
about losing their brand identity," said Bill Rose, R7 Home Networking
Standards Committee Chair. "This standard allows the look and feel
of the overall UI, as well as the navigation between control screens,
to be determined by the TV manufacturer. CEA-2027 also allows connected
devices to present their manufacturer logo and retain their full
set of controllable features as well."
"CEA-2027 provides easy solutions to some
previously unsolved problems in Consumer Electronics Engineering,
" said Jack Chaney, Director, DMS Lab, Samsung Information Systems
America. "This UI standards allows the entire multi-vendor A/V Home
Network to be controlled by a single remote control. It allows features
and hardware to be added externally to a device on the network and
operate transparently as if they were internally integrated parts
of the device."
This standard also addresses two critical
needs in home networking technologies; connecting CE and IT devices
together, and connecting devices in a way that allows manufacturers
to preserve their brand identity. The use of Internet and web protocols
is a key feature and a definite trend in communications for home
networks.
"CEA-2027 helps enable customers to view
and interact with their choice of services on their HDTV through
a home network," explained John Card II, Systems Engineer, EchoStar
Technologies Corp. and Chair of CEA's R7 Human-Machine Interface
working group.
www.ce.org/standards
global.ihs.com
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