Digital Living Network Alliance Overview
What is DLNA?
Regardless of brand, you’ll experience a digital world of
more convenience, choices and enjoyment regarding your movies, music and
photos. All you need to make it work is a DLNA Certified router or LAN network
and DLNA devices. DLNA devices are made to discover, connect and communicate
with each other over your network without the need for compatibility changes.
Gone are the days of ensuring that your devices are all the same brand. Members
of the Digital Living Network Alliance (DLNA) have envisioned a wired and
wireless interoperable network for consumer use. Consumers in a digitally
connected home have the ability to share content across all DLNA Certified
products, regardless of manufacturer, gaining multiple-device access to videos,
music and photos, enjoying a better in-home entertainment experience. More
information about DLNA can be found at www.DLNA.org.
What can you Choose from?
DLNA Certified devices include hundreds of brand name
products, amounting to more entertainment options for consumers. Plus, the DLNA
Certified devices you buy now will work with DLNA Certified devices in the
future. DLNA Certification results in increased customer satisfaction and
loyalty.
DLNA in Your Home
The use of DLNA in your home will simplify connectivity
issues. Have you ever tried to stream video wirelessly from your laptop to your
TV? How much of your time was spent attempting to make a connection? Ever tried
to play a song from your mp3 player using your HDTV only to realize that your
products were not compatible? DLNA Certified products allow for connection and
streaming with ease. Devices are discoverable with each other and are ready to
use out of the box. Device and service discovery and control enables devices on
the home network to automatically self configure networking properties (such as
an IP address), discover the presence and capabilities of other devices on the
network, and control and collaborate with these devices in a uniform and
consistent manner.
DLNA divides consumer devices into key types of domains,
including computers, mobile and consumer electronics. DLNA defines devices that
can process media as home network devices (HNDs). HNDs can be divided into
classes, which include media servers, controllers, players, renderers and
printers.
Digital Media Server (DMS)
A digital media server is a computing device that can
process requests for and deliver digital media. A DMS may perform the
acquisition, storage and transfer of media content, such as videos, pictures
and audio files. DMS functions may be included in advanced set top boxes,
digital video recorders (DVRs) and digital tuners.
Digital Media Controller (DMC)
A digital media controller is a device or software
application that discovers and coordinates access to media on digital media
servers for further direction to digital media rendering (DMR) devices.
Examples of DMCs include televisions, computers and interactive remote
controls.
Digital Media Player (DMP)
A digital media player is a device or software application
that can request and receive media such as video, audio or images, and convert
it into a form that can be experienced by humans. DMP devices include personal
computers with media player software, television monitors and multimedia mobile
telephones.
Digital Media Renderer (DMR)
A digital media renderer is a device or software application
that can display media to a viewer after the media has been processed by, or
made available to another device. DMR devices include video monitors, digital
displays and audio speakers.
Digital Media Printer (DMPr)
A digital media printer is a device or a software
application that can convert media into a form that can be transferred to
printed formats. Examples of DMPrs include photograph printers, inkjet printers
and laser printers.
What DLNA Means for Companies
The DLNA format is intended to achieve a foundation for
network interoperability while still encouraging new technology for the future.
DLNA's Protected Streaming Guidelines allow consumers to securely share
commercial content between devices within the home network, but not with third
parties. Protected streaming specifies a global standard for protecting content
streaming between two devices within the home network, ensuring that commercial
content is protected from piracy and illegitimate redistribution. The main
complex issue DLNA is faced with is how to control copyrighted material when it
is being shared across multiple devices within the home. Obviously, a consumer
should be able to rent a pay-per-view movie, begin watching it on a living room
HDTV, then switch devices and finish watching on a tablet while cooking in the
kitchen. As such, content protection methods must be
user-friendly, and avoid limiting the ease of use for which DLNA was originally
intended.
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