Fiber Optic Video Networking

Solutions are available in the industrial, professional AV and Broadcast industries to distribute video over large networks.  The current trend is the transport video, audio and data over an IP or Ethernet network.   These systems require compression and high bandwidth infrastructure to move many signals at one time.  IP systems can have issues with compressions artifacts and latency do to limited network bandwidth.  These systems are simple in their design and configuration.

MultiDyne is developing patented systems that offer the same simplified design and configuration, but in an uncompressed, real-time, high quality video transport.  These new systems transport and distribution of uncompressed video, audio and data over fiber.   This new technology drastically simplifies the architecture of a fiber optic network, reduces equipment costs, simplifies design and maintains uncompressed, digital, broadcast quality video from end to end.

In a traditional system, there are multiple fiber optic transmitters at each video source.  The fiber optic signals are then typically routed to a central location or node.  At the central location the fiber optic signals are converted back to analog video, audio and data.  Then up to 8 channels of video, audio and data are combined once again using time-division multiplexing (TDM) into a single fiber optic signal.  Two time-division multiplexers are required to transport 16 channels of video over one or two fibers.  (Please note Figure 24).  The equipment at the central node typically occupies 8 to10 rack-units.  The 16 channels of TDM video are then decoded at the receiving end using 3 or more rack-units of equipment.

This fiber transport system reduces the equipment required at the central node from 8 to10 rack-units to 1 or 2.  As in the transitional system, a Fiber Head is used at the source location to encode the video, audio and data onto ONE fiber.  At the central location or node the 16 fiber optic receivers and 2 TDM’s are combined into one device call the Fiber Hub.  The Fiber Hub supports up to 16 fiber optic inputs from up to 16 Video Fiber Head units.  The Fiber Hub unit has ONE high speed fiber optic output for the main fiber trunk.  (Please see figure 25).

The equipment complexity and size is also reduced at the destination point from 3 to 4 down to 1 to 2 rack-units.  Signal quality is maintained by digitizing once as opposed to digitizing twice.  The video audio and data signals are digitized once at the Fiber Head and then are decoded back to an analog signal at the Fiber Receiver Hub.  (Please see figure 26).

The technology is ideal for a Head to Hub or star configuration.  Another configuration is a Self-Healing ring.  The system can be designed using a combination of the Head to Hub and Self-healing Ring topologies. (Please see figure 27 below)

The MULTIDYNE patent pending fiber optic transport technology has numerous applications in sports, ENG/SNG, field and studio production, broadcast, cable, satellite, STL, pro-AV, corporate, security, surveillance, transportation and teleconferencing.  Our technology will revolutionize the video transport industry.

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