Subtitle Conversion Framework (SCF) v1.0 released

IRT recently released version 1.0 of it’s Subtitle Conversion Framework (SCF). The SCF is published under the Apache 2.0 license and is available on github: https://github.com/IRT-Open-Source/scf The SCF provides a set of modules for converting XML based subtitle formats. The modules include features for Transformation from EBU STL to EBU-TT according to the mapping guideline

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Synchronised Holograms

Synchronising an augmented-reality experience to a broadcast programme on an HbbTV 2 device Version 2 of the HbbTV standard, introduces several new features. Probably the most interesting set of features target at combining mobile devices such as tablets or smartphones with HbbTV devices. These so-called companion-screen features allow creating distributed media experiences, in the sense

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Learn more about IRT’s IMF Analyser in the animated video

The software product IMF Analyser from IRT analyses and validates IMF packages in depth regarding completeness and standard conformance. The solution includes the validation of the MXF container format based on IRT’s long-standing MXF know-how. Watch the video here! The Interoperable Master Format (IMF) defines a package that includes various files such as MXF files

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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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CMAF Livestreams with Subtitles and Audio Description

The Common Media Application Format (CMAF) aims at unifying the two currently leading adaptive streaming standards: MPEG-DASH and Apple’s HLS. The sample live streams presented here, demonstrate the potential benefit of CMAF for future OTT IP services. With CMAF, both HLS playlists and DASH manifests are allowed to reference the same fragmented MP4 (fMP4) chunks,

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Android IRT HybridRadio

IRT’s Hybrid Radio App enables LG’s smartphone Stylus 2 DAB+ as a real hybrid radio platform. The app offers hybrid radio functionalities for instant Radio-EPG, Radio-DNS, Slide Shows and Dynamic Labels. Furthermore, functions such as service following for an automated switching between DAB+ and Internet reception and the linking of radio services with accompanying Podcasts

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Object-based audio rendering in browsers

Object-based audio is a revolutionary approach for creating and deploying interactive, personalized and immersive content. This is possible by representing the audio content as a set of individual assets together with metadata describing their relationships and associations. This allows media objects to be assembled in ground-breaking ways to create new user experiences. Some popular examples

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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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