Crestron HD-DA-2-QUAD Specifications download pdf (Page 5)

Crestron DigitialMedia

™

Design Guide

800-237-2041

crestron.com

What is Crestron DigitalMedia

™

There’s no question that the digital age is here today. Analog television is off the air; practically every device that plugs into a

display has an HDMI port; the latest MacBooks

only provide DisplayPort outputs; laptops now include built-in Blu-ray players,

and the latest video conferencing systems feature HDMI/DVI outputs exclusively. The products you›re using now won›t work

for much longer. Crestron DigitalMedia (DM) is the only solution that answers the challenges of tomorrow – today.

Crestron began designing products with HDMI technology more than five years ago, and has shipped thousands of HDMI

products over the last three years. But DM is more than just another HDMI switcher or extender; it’s a complete, integrated

solution that manages, controls, and distributes all analog and uncompressed HD digital content over twisted pair or fiber.

DM matrix switchers are flexible, modular systems that can accept virtually every signal type and transmit them long distance

as digital DM signals. Built-in exclusive QuickSwitch HD™ technology, pre-authorized HDCP keys, maintains a constant

handshake for continuous, glitch-free HD switching. At the end points, DM receivers output HDMI and control to the display.

Crestron DigitalMedia is the only solution for the digital age, distributing all analog and uncompressed HD digital signals, and

managing embedded data such as HDCP, EDID and CEC.

Purpose of this guide

The purpose of the Crestron DigitalMedia™ Design Guide is to provide the following:

• Functional background on how High Definition, specifically HDMI, is constructed and transmitted

• How DM can solve HD distribution issues

• Provide detailed information to assist in the design of your HD media distribution system

For more detailed examples and additional installation details, please refer to the latest version of “All Rooms Digitally

Connected” Doc 6251-(future)

What is HDMI?

High Definition Multimedia Interface (HDMI) is the first and only consumer electron-

ics industry-supported, uncompressed, all digital audio/video interface. By deliver-

ing crystal clear, all digital audio and video via a single cable, HDMI dramatically

simplifies cabling and provides consumers with the highest quality AV experience.

Advantages of HDMI versus Analog Interfaces

HD content ready: Consumers using HDMI devices supporting HDCP have the comfort of knowing that they will have access

to premium HD content now and in the future. Content providers (a.k.a. movie studios and television networks) are requiring

that devices transmit HD video to only “protected outputs” that use HDCP. With today’s HD movies, content can be sent over

unprotected interfaces—such as analog component—because Blu-ray has delayed the activation of the image constraint

token (a.k.a. content protection flag) to help minimize potential transition issues. After December 31, 2010 new players must

limit analog video output of Blu-ray disc content to interlaced standard definition (480i/576i). 2013 is the expiration date for

analog video: no player that passes “Decrypted AACS Content” to analog video outputs may be manufactured or sold after

December 31

, 2013. This means future HD movies will stop being viewable at HD resolutions over analog component and

other unprotected interfaces. A similar situation exists with cable and satellite TV, in which the Motion Picture Association of

America (MPAA) is petitioning the FCC to restrict HD transmission to protected outputs.

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Crestron HD-DA-2-QUAD Specifications Page 5

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