Applications note and tips, 1 hdcp – Analog Way Eikos2 User Manual

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10.1 HDCP

10. APPLICATIONS NOTE AND TIPS

HDCP is a content protection mechanism which uses encrpytion to prevent high value content from being

delivered to non-authorized devices. For example, Blu-ray players use HDCP on their HDMI outputs to ensure

that the HDMI output cannot be routed to a digital recording device.

The Eikos² is fully HDCP compliant, meaning that you will be able to use the Eikos² to accept HDCP protected

sources and route them to any HDCP protected outputs. As Analog Way is a licenced HDCP adoptor, this also

means that the Eikos² is prevented from displaying any HDCP protected images on any non-HDCP compliant

outputs (as is the case for all licenced HDCP compliant devices).

HDCP can only be used on certain connection formats, including DVI, HDMI, and Displayport. Keep in mind

that simply because a connection is using a DVI, HDMI, or Displayport connection, it does not guarentee

that the devices connected are maintaining an active HDCP connection. For example, you may find video

recording or capture devices equipped with an HDMI input, however HDCP licencing forbids these devices

from capturing HDCP protected content.

HDCP is not supported on connection formats such as composite, component, Svideo, SD-SDI, HD-SDI,

3G-SDI, or VGA. This means that any source which becomes protected by HDCP cannot be converted to

these formats. For example, while you may find a Blu-ray player which can directly output a composite video

signal, HDCP licencing forbids converting the HDCP protected HDMI signal back to composite or any other

non-protected format.

To help troubleshoot HDCP in your installation, each input and output page is equiped with HDCP status

information to indicate in realtime when HDCP encryption is being used.

Certain devices such as Macintosh computers can be misleading to use in conjunction with an HDCP

compliant presentation switcher such as the Eikos². This is because devices like the Mac computers can be

used to output both HDCP protected content (such as a movie downloaded from iTunes) as well as non-

HDCP protected content (such as a Keynote presentation or the desktop). When a computer first connects

to an HDCP compliant device such as the Eikos², it learns the capabilities of the device through the EDID

connection. Upon seeing the HDCP compatibility of the attached Eikos², devices like the Mac computers will

immediately attempt to use HDCP encrpytion at all times, despite the content currently displayed on the

computer screen. Since this source would now be considered an HDCP protected source, the Eikos² would

be required to prevent it from being displayed on VGA or SDI outputs and only allow it to be displayed on

outputs protected by HDCP. To work around this problem, the Eikos² allows the HDCP features of a particular

input to be disabled, which in turn informs the Mac computer to avoid using HDCP, and allows content such

as Keynote and the desktop to be displayed, as this input will no longer use HDCP protection. Please note

that disabling the HDCP features of the input do not circumvent HDCP protections, and thus do not allow you

to view any content which requires this protection.

For more information about HDCP, please refer to our whitepapers on HDCP, or visit the HDCP foundation

website.

10.1 HDCP

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