Subtitles – IRT Lab

Testing a VR subtitle production prototype

Peter tho Pesch — Mon, 11 May 2020 06:32:43 +0000

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 ...

Creative subtitles – design and mechanics

Melina Möhnle — Thu, 16 Apr 2020 10:13:59 +0000

More creative than current broadcast subtitles, but with measure and goal – that’s how subtitles should be. The IRT is researching its design and mechanics. So far, the display options of television subtitles have been very limited. This is due in particular to Teletext technology, which is still an essential part of the subtitle workflow. ...

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

Ronald Mies — Mon, 09 Mar 2020 15:36:22 +0000

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 ...

Subtitles in 360° media

Peter tho Pesch — Mon, 29 Apr 2019 09:21:35 +0000

In a previous post, we discussed the topic of subtitles in a 360° environment. Within the project Immersive Accessibility (ImAc) IRT investigates together with partners from the media industry how accessibility services can be applied to 360° or VR environments. At our demo app webpage (short link: www.irt.de/foxfinder), you can see a short 360° scene ...

Showreel-Video for Accessibility

Melina Möhnle — Tue, 09 Apr 2019 08:57:35 +0000

Accessibility for media is in steady change driven by new technical developments. The IRT works on different accessibility topics to adapt them to today’s needs and to new features. A showreel-video was created to enable insight into these projects

Subtitles for 360° media – alternative presentation for immersive experiences

Peter tho Pesch — Wed, 20 Jun 2018 08:01:35 +0000

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. ...

Subtitle Conversion Framework (SCF) v1.0 released

Peter tho Pesch — Fri, 27 Oct 2017 10:50:00 +0000

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 ...

Learn more about the IMF format

Rico Zimmermann — Tue, 04 Jul 2017 11:19:46 +0000

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 ...

CMAF Livestreams with Subtitles and Audio Description

Peter tho Pesch — Tue, 25 Apr 2017 11:36:42 +0000

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, ...