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Marquis Broadcast To Attend NAB New York

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Marquis Broadcast is to demonstrate its latest workflow integration solutions at NAB New York 9 - 10 November on booth 652.

Marquis will showcase a new Medway 4K post production workflow, which combines the high performance of Avid storage with low performance tier two storage, to transform the cost and speed of 4K post production.

Paul Glasgow, sales and marketing director, Marquis Broadcast, said: "Using 4K can require eight times more edit storage space and bandwidth than a 1080i HD production. So 4K post can be expensive and difficult to manage. So the new idea of using a transient HD proxy for 4K post-production becomes very attractive, especially when dealing with high shooting ratios such as unscripted documentaries."

To achieve this Medway automatically generates a HD 'mezzanine' format from 4K rushes that are ingested to tier 2 storage. The on-line edit starts as a conventional HD edit, whenever the editor wants to work in 4K Medway automatically re-links to the original 4K source files (on tier two storage) selecting only the frames used in the HD edit. Medway automatically delivers and re-links these 4K frames back to the Avid timeline, substituting the HD proxy so the final edit is always in 4K. Conveniently Medway also restores some additional 4K frames 'handles' so the editor can seamless trim either side of 4K in and out points, avoiding the need to go back to the 4K rushes.

The solution enables existing Avid systems to operate much more efficiently in 4K operation while being seamless to the editor. Using tier two storage also greatly simplifies the 4K ingest process, and makes scaling storage resources up for 4K productions much simpler and cost effective.


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