WELCOME TO THE VIDEOCOM ERA


Optical Revolution started in Telecom and Datacom

Data rate and distance dictates whether electrons or photons must be used to move information, whether it’s voice, data or video from point A to Pont B.

In the mid-20th century, telephony exploded driving new requirements for data rates and distance. The bandwidth required by telephone networks outstripped the ability of copper wiring. Long distance fiber optic solutions replaced copper wiring and enabled the telecom industry to continue to thrive.

With the rise of the internet, data networks exploded. Once the 10Gbps bandwidth threshold was reached, data centers began replacing their copper wiring with optical interconnects. Modern data centers have moved from 10Gbps to 400Gbps all built on an optical infrastructure.




Early Days of Video

In the video world, standard definition video had negligible bandwidth requirements and high definition video required ~3Gbps bandwidth. This data rate could be handled by copper cables and 1Gbps copper-based IP networks up to hundreds of feet. HDBaseT was born and other Video over IP solutions were developed that brought new features to high def video.


4K Video Changes Everything

4K video changed everything. At first, much like 480p in the high def era, the industry just focused on the higher resolution which minimized the increase in data rate. But there is so much more to the 4K video experience than just resolution. There are higher frame rates to eliminate motion artifacts, expanded color depth for realism, high dynamic range which enhances contrast to incredible levels.

Copper has been simple and cheap, but it can’t handle the bandwidth of high-performance video any longer. A copper HDMI cable as thick as your thumb can only take a real 4K signal up to 7 meters before it is overwhelmed by errors. 8K video will require even more bandwidth (48Gbps) and a fatter copper cable, yet only carry the signal 2 to 3 meters.

Applications like corporate video, event venues, medical, and digital signage are already transitioning to optical. Soon applications with much shorter distances like home theater, gaming, and VR will need to make the transition.


8K and Beyond

Japan will implement 8K video in their TV networks in 2019 in preparation for the 2020 Olympics. 8K TVs were first introduced in 2017. The bandwidth of 8K is 48Gbps. The copper cables can carry this signal about 6 feet maximum. Video over IP using a 1Gbps network is impossible without tremendous sacrifice. Many video over IP solutions are now recommending a shift from copper to 10Gbps optical networks. For 8K video these still require almost a 5:1 compression ratio and all the corresponding trade-offs.

The pace of modern technology introduction is accelerating with each generation coming faster and faster. Beyond 8K video is 16K video with nearly 100Gbps bandwidth requirements and then there are immersive technologies like 360 video and VR.

The video industry has reached a pivot point where optical technology isn’t a choice if we value the improved customer experiences that are driving our progress.

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