HBB4ALL was a European research project on the topic of media accessibility and focussing on subtitling, sign language and enhanced quality of speech audio. We developed new solutions and tested them extensively with end users. Among the results of this project was a subtitle player which allows users to personalise the size, position and background of subtitles according to their personal preferences. This service was integrated into the on-demand video library of German public service broadcaster network ARD, and into the HbbTV-libraries of BR, HR, MDR, NDR, ONE, Radio Bremen, rbb, SR, SWR and WDR.
In addition, we tested a range of options for presenting sign language interpreters on the TV screen. We also examined aspects of personalisation and how these differed across content genres. This led to design and production workflows for rbb, the ARD and project partners.
Last but not least, our partner the Institut für Rundfunktechnik (IRT) developed 'Clean Audio' technology to deliver broadcast speech with enhanced clarity for users with hearing difficulties. We tested these developments with a group of 50 hearing-impaired users.
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