Background:
Upgrades from CRT based HDTV to have been rapid and as HDTV technology continues to mature, consumers will begin to update the 2nd and even 3rd TV sets to HDTV. HDMI is the de-facto standard in connecting HD source to the HDTV. In some special applications, especially with projectors, the cable lengths can exceed 50 ft and require specialized connectivity solutions. We will present some solutions for HDMI over long distances distributing.
Possible Solutions:
HDMI Extenders:
In applications where HDMI cabling is readily available and easily installed, a convenient solution for extending the reach is to install HDMI to HDMI Extender at the end of the HDMI cable. Most HDMI extenders work by adaptive equalization and compensates for varying frequencysignal timing skew attenuations, and. For most applications where connection lengths are between 35-75 ft, using HDMI Extender is recommended.
HDMI over Ethernet:
It is possible to distribute HDMI over a pair of standard Ethernet cables by using HDMI to Ethernet converters. The HDMI Ethernet converter enables transmission of 1080P HD HDMI digital video and audio over a pair of standard Ethernet CAT5/6 cables.
Using HDMI over Ethernet Transceiver allows installers to use standard CAT 5/6 cables for ease of installation.
Advantages of using HDMI over Ethernet:
-Ethernet cables and connectors are easily field terminated thus allowing installers to easily install the proper length cable needed for ultimate flexibility and eliminate logistics problems of havingcustom length HDMI cables. No need top pre-measure and customer order cables.
-Allows transmission of 300ft (1080i) and 150ft (1080p) over Ethernet cables. CAT 6 cable is recommended for 1080P and best performance.
Conclusion:
As the HDTV market continues to mature, consumers will need to be educated on the HDTV video connections available. We have presented some possible solutions for distributing HDMI over long cable runs, so the consumer can make intelligent choices in selecting the HDTV video connections.
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