Applications note and tips, 1 hdcp – Analog Way SmartMatriX2 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 SmartMatriX² is fully HDCP compliant, meaning that you will be able to use the SmartMatriX² 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 SmartMatriX² 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 SmartMatriX². 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 SmartMatriX², it learns the capabilities of the device
through the EDID connection. Upon seeing the HDCP compatibility of the attached SmartMatriX², 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 SmartMatriX² 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 SmartMatriX²
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