Category Archives: Video

5G-Xcast IRT testbed

5G-Xcast is the first 5G PPP project to focus on the holistic implementation of point-to-multipoint communication as a critical technology element in 5G systems in addition and as a complement to unicast. 5G-Xcast will devise, assess and demonstrate a conceptually novel and forward-looking 5G network architecture for large scale immersive media delivery. The project objectives

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Microsoft’s Spectator View in Broadcasting Production

Interactive 3D simulations are particularly well suited for explaining abstract concepts and processes in information programmes. However, the interaction with such objects is difficult in a conventional TV production, as the objects usually remain hidden from the presenter, for instance in a virtual studio. With the help of Microsoft’s HoloLens, an augmented reality glasses, users

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Learn more about the IMF format

The Interoperable Master Format (IMF) defines a package that includes various files such as MXF files (video, audio and supplemental data) and additional descriptive files. Based on the descriptive information, different versions can now be generated from the included MXF files. Speech and subtitle versions or shortened content versions are just two examples. Ultimately, IMF

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IRT Teststreams on YouTube

This is a quick test, if the YouTube Cloud Transcoder supports MXF-Contribution Quality for high quality uploads as it is used within ARD and ZDF. For a broadcaster it can be desirable to upload their productions in high quality to cloud-based video-portals like YouTube without any further recompression to maintain quality and save processing costs.

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AV-Portal Streaming Testcases

IRT opened an extensive repository of differently encoded Audio- and Videostreams for PC, Smartphones, Tablets and HbbTV-Devices. Launch the Testportal http://avtest.irt.de Various test cases are presented in a user interface as progressive download and adaptiv for MPEG-DASH, Apple HLS and Adobe HDS in multiple encodings (H.264, H.265, HE/AAC, E/AC3), container formats (MP4, MPEG-TS) and resolutions

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