DVB OKs Internet-based linear TV spec

Nov. 13, 2019
DVB announced the approval of its DVB-I specification by the DVB Steering Board in Geneva. It has been published as DVB BlueBook A177. The DVB-I specification aims to ensure that ...

DVB announced the approval of its DVB-I specification by the DVB Steering Board in Geneva. It has been published as DVB BlueBook A177.

The DVB-I specification aims to ensure that linear TV delivered over the Internet is as user-friendly and robust as traditional broadcast TV. It is designed to allow linear TV services to be delivered to any device with a suitable Internet connection and media player, including TV sets, smartphones, tablets and media streaming devices.

"In developing an Internet-centric solution for linear television services, we are providing the industry with a crucial missing piece that raises Internet-based delivery to the same level in the DVB ecosystem as RF-based content delivery," said DVB Chairman Peter MacAvock. "With these building blocks, addressing the discovery of DVB-I services and the delivery of program metadata, DVB offers broadcasters and operators an exciting new deployment option."

The DVB-I specification defines DVB-I Service Lists, a means for Internet-connected devices to find curated sets of linear TV services that may be delivered through broadband or broadcast mechanisms. It also defines the methods to retrieve electronic program data for those services, which can be integrated into a single coherent offering that is accessed through a consistent user interface.

With the publication of the DVB BlueBook, implementers can now proceed with the development of DVB-I-enabled clients, while broadcasters and other content providers can take the necessary steps to make their services available via DVB-I.

To accelerate the implementation of DVB-I in the marketplace, DVB launched an RFP to build a reference application. DVB expects to select a supplier and complete negotiations before the end of 2019. The resulting DVB-I client will be made freely available under an open source license.

While DVB-I refers, in particular, to the newly approved specification for service discovery and program information, the related ecosystem extends to other DVB specifications. The DVB-DASH streaming specification (DVB BlueBook A168) was recently updated to include a low-latency mode.

Also related to DVB-I is the forthcoming DVB specification for multicast adaptive bitrate streaming (DVB-mABR), targeting situations where the same linear content is simultaneously delivered over managed broadband networks to multiple receivers.        

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