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Steering board approval for DVB UHD Services

November 21, 2017 10.33 Europe/London By Broadband TV News Correspondent

The DVB Steering Board has given its approval for three DVB specifications marking the completion of the current generation of specifications for Ultra High Definition Television – DVB UHD-1.

DVB UHD-1 covers elements for the improvement of video and audio quality for broadcast TV. In addition to UHD (4k) resolution and a wider colour space, the elements include High Dynamic Range (HDR) for increased contrast ratios, Higher Frame Rates (HFR) for sharper images of moving objects, and Next Generation Audio (NGA) for the support of object- or scene-based audio schemes. The revisions and updates pertain to DVB-DASH, audiovisual coding and bitmapped subtitles.

Commenting on the milestone, Peter MacAvock, DVB Chairman said: “UHD is a key part of many broadcasters’ portfolios. DVB has worked tirelessly to finalise a comprehensive set of specifications for UHD. While work continues, DVB is certain that broadcasters can confidently implement UHD on the basis of its specifications”.

The revision of ETSI TS 103 285, the DVB MPEG-DASH Profile for Transport of DVB Services over IP Based Networks, was approved. It adds the following new features: the provision of live text messages and slideshows for use with Hybrid Digital Radio; support for linking interactive applications to broadcast services delivered by DVB-DASH; HDR; HFR; NGA.

Also approved were amendments to TS 101 154, the DVB video and audio coding specification. The amended specification contains H.264/AVC and HEVC video conformance points for use with MPEG DASH. These are aligned with the broadcast codec conformance points, supporting a similar feature set, but take into account the specific requirements of adaptive bitrate delivery over IP-based networks.

Lastly, amendments to DVB Subtitling Systems (ETSI EN 300 743) were approved. These add explicit support of subtitling for UHDTV services, as defined in ETSI TS 101 154 and ETSI EN 300 468.

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Filed Under: Newsline, Tech Tagged With: DVB Edited: 21 November 2017 10:33

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