#IBC2022
83 OPINION
LED OR CHROMA?
As XR production is increasingly adopted for virtual content creation, some may think that this new kid on the block will take over other types of virtual production. But XR, or extended reality, is more than just using virtual backgrounds on large videowalls, as this idea of mixing virtual and real elements goes far beyond the virtual background application and can include other virtual content like AR. LED videowalls in virtual production may have benefits over chroma sets, but they are not the response to every virtual production requirement. Both methods have their own advantages and disadvantages, and the production reuirements will define which is best for our needs. And, of course, they do not exclude each other and can be used simultaneously. When producing live shows, LED videowalls allow for the creation of virtual backgrounds the audience can see live, in context with the performers, not requiring an additional screen
to see the combined image. Also, using LED videowalls makes chroma keying unnecessary, as the image will be combined directly, live, on stage. On the other side, as the content is captured as is, it may be difficult to add further changes, post-production or VFX.
“When using LED videowalls not only may we achieve a natral look t reflections and refractions on live surfaces will look perfect in scene”
Chroma keying is a mature technique that allows for greater flexibility as we can have the different elements of the scene as individual feeds, which can be combined at will. However, we will always need to key out the talents and any element on the green screen, which has its own issues (spill, reflections, etc. hen using videowalls
BORUSSIA DORTMUND INVESTS IN AI Staige BY DAVID FOX
Borussia Dortmund, last season’s runner-up in the Bundesliga, has invested €8.5 million in Staige, which uses artificial intelligence for sports production.
Staige is primarily aimed at
providing amateur sports with AI, to offer more accessible and affordable live streaming and video analysis. Carsten Cramer, Managing
Director of Borussia Dortmund, said: “Together, we are committed to support the foundation of our sport: the amateurs. The standard
CHOOSE WISELY! Miguel Churruca, Marketing and Communications Director, Brainstorm
not only may we achieve a natural look, but reflections and refractions on live surfaces will look perfect in the scene, not mentioning that the LEDs also contribute to lighting. When the production requires wide shots and floors, it will reuire carefully designed props, otherwise the integration will not be as good. And when using floors, as LEDs are light emitters, the shadows of the characters will have to be applied as a separate process. In this scenario, chroma keying facilitates the integration of talents and objects on larger scenes. In any case, if we want to include AR elements on top of the talents, this will require a separate screen to view the result.
Being agnostic, and using one or both methods as required, seems to be the right move that will enhance our content production without limiting the creative possibilities. 7.B01
of our professionals should become feasible in all leagues.” In co-operation with Borussia Dortmund, Staige plans to expand its product range, to develop software and hardware, and to strengthen its role as an end- to-end service provider for live streaming in the sports sector. Jan Taube, CEO of Staige, said: It will also gain benefit from the experiences and needs of Borussia Dortmund’s professional players to develop improved products for automated video production and broadcasting, particularly for its built-in video analysis software. We have been working with Borussia Dortmund for a long
On Staige: Players from Borussia Dortmund (BVB) with the Staige-Camerasystem
time. The latest developments underpin our synergies in the sports sector.” Staige’s cameras record autonomously using AI and can stream live on the internet and on its own streaming portal,
staige.tv.
They are mainly used in amateur sports and include an integrated coaching tool for match and training analysis. The cameras are also being used by churches, theatres and for concert stages. 12.D90
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