Tag Archives: Subtitles

Testing a VR subtitle production prototype

In our earlier post on accessibility services in 360° environments (here) we have described how these services can enhance user experiences and make 360° videos more accessible. In the EU-funded Immersive Accessibility project ImAc subtitles are extended with guiding cues to support easier speaker identification within the 360° space to enhance the user experience and …

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Accessible 360° video – ImAc solutions are ready for public testing

In the Immersive Accessibility (ImAc) project IRT investigates, together with partners from the media industry, how 360° media can be made accessible for all. During the project, a technical platform has been developed to enable accessible 360° media: enrich, distribute and playback 360° video content with fully customisable accessibility services. To this end, the project …

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Subtitles for 360° media – alternative presentation for immersive experiences

Introduction When subtitles are provided in a 360° environment, they are typically fixed at the bottom of the screen and centered horizontally. This is fine for common 2D TV, but maybe is not the best strategy for 360° media. By making use of the additional “dimension”, maybe subtitles can convey more than just textual information. …

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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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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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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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