DVB Presents World-First Showcase of DVB-I: Internet-Enabled Linear Television Services

Exhibiting at IBC2019 (1.B71), DVB, an industry consortium that develops open interoperable technical specifications for the delivery of digital media and broadcast services, announced today that it will present the world’s first demonstration of linear television services using the DVB-I solution, which relies on internet-based access and streaming mechanisms alongside classical broadcasting techniques.

“As we approach the deployment stage for DVB-I, IBC is a great opportunity to showcase its readiness to enable the kind of reliable and user-friendly experience we associate with watching TV, but in situations where a broadcast connection may not be available,” said Peter MacAvock, chair of DVB. “Stop by DVB’s new location in Hall 1 at IBC2019, have a drink, talk with our experts, and learn where the future of digital media and broadcast delivery is headed thanks to DVB specifications.”

World-First DVB-I Demo
At IBC2019, several DVB members will collaborate to present the world’s first working demonstration of DVB-I, built from the related specifications. The demo will include broadband- and broadcast-delivered linear television services using HTTP-based access and streaming mechanisms. It showcases key elements such as a DVB-I Service List, DVB-DASH streaming with the recently released low-latency mode, and Multicast Adaptive Bit Rate support for network optimization.

DVB member demo partners will include: ATEME, Broadpeak, ENENSYS Technologies, Harmonic, ITV, Kineton, Newtec, RAI, Rohde & Schwarz, SES, TPV Technology, and Viaccess-Orca.

One-on-One DVB Expert Consultations
Additionally, DVB specialists will be on hand at the stand to meet one-on-one with visitors regarding a wide range of DVB-related topics. Potential topics include physical layer transmission technologies, DVB-I and streaming solutions, audio and video coding, interactive services, conditional access, and more. To schedule a consultation, visit https://dvb.as.me/.

Thought Leadership Sessions on DVB Specifications
DVB will extend its thought leadership to several IBC2019 conference sessions, providing expert opinions on all things related to DVB. Sessions will include:

Peter Siebert, Head of Technology at DVB, will take part in an IET session panel titled “Broadcast to IP Impacts” at the Future Zone Theatre, on Friday 13 Sept., 14:15-15:00.
Additionally, Siebert will give a presentation on the DVB specification for high dynamic range at the Ultra HD Forum IBC Masterclass, in the Emerald Room, Saturday 14 Sept., 10:35-10:55.
Peter MacAvock, Head of Delivery, Platforms and Services at the EBU Technology & Innovation Department and chair of DVB, will give a presentation titled “Broadcast in Light of 5G: What Will It Look Like?” as part of the Newtec Sessions, Room G106, Saturday 14 Sept., 12:30-13:30.

Cheers: Join DVB for a drink
A DVB drinks reception sponsored by Sisvel will take place at IBC2019 on Friday 13 Sept. from 17:00 to 19:00 on the DVB booth. IBC2019 attendees are encouraged to stop by, catch up with old friends, and make some valuable new connections within the wider DVB family.

DVB Adds HDR Dynamic Mapping to Its Audiovisual Coding Specifications

DVB, an industry consortium that develops open interoperable technical specifications for the delivery of digital media and broadcast services, today announced a new revision to its specification for the use of video and audio coding in broadcast and broadband applications to include solutions for HDR Dynamic Mapping (DM). The solutions allow a receiver, such as a TV set, to adapt a High Dynamic Range video signal to the characteristics of the display. The revised specification was approved by the DVB Steering Board in Geneva on 3 July 2019.

ETSI TS 101 154 is one of the core DVB specifications. It sets out how video and audio coding are to be used in satellite, cable, and terrestrial broadcasting systems, as well as in broadband delivery. The addition of HDR DM provides content creators and device manufacturers with a means of adapting video content so that it replicates as closely as possible the intended appearance, as produced in a reference viewing environment.

“DVB has provided the industry with the specifications needed to deploy UHD services with confidence,” said Peter MacAvock, chair of DVB. “HDR Dynamic Mapping is an important element of the ecosystem, helping broadcasters and other content providers to ensure their video looks as good as it possibly can on a given display.”

Three HDR DM Systems
DVB’s audiovisual coding specification includes two means of providing HDR video content, namely Hybrid Log Gamma (HLG10) and the 10-bit variant of Perceptual Quantizer (PQ-10). DM applies only to the latter.

There is significant potential benefit in being able to “map” the HDR, as graded using a reference monitor, to the lower-performance TV sets typical of the consumer environment. DM facilitates this functionality by way of Dynamic Mapping Information (DMI) inserted into the HDR video bitstream.

Three solutions for HDR DM have been included in the new version of TS 101 154:

• SMPTE ST 2094-10 – Dynamic Metadata for Color Volume Transform — Application #1
• ETSI TS 103 433-2 (SL-HDR2) – High-Performance Single-Layer High Dynamic Range (HDR) System for use in Consumer Electronics devices; Part 2: Enhancements for Perceptual Quantization (PQ) transfer function based High Dynamic Range (HDR) Systems
• SMPTE ST 2094-40 – Dynamic Metadata for Color Volume Transform — Application #4

The revised specification has been published as DVB BlueBook A001 and will be forwarded to ETSI for publication as TS 101 154 V2.6.1. DVB’s specifications for Service Information (DVB-SI) and Dynamic Adaptive Streaming over HTTP (DVB-DASH) have also been revised to support HDR DM. The changes will be reflected in the respective ETSI standards in due course.

Following approval of the specification, the DVB Technical Module working group on audio and video coding (TM-AVC) will proceed with verification and validation activities to aid implementation of the new solutions.

DVB and HbbTV Release New DASH Validation Tool to Simplify Content Conformance

DVB, an industry consortium that develops open interoperable technical specifications for the delivery of digital media and broadcast services, today announced that it has collaborated with the HbbTV Association to create a DASH validation tool for application developers and content providers. The newly released tool conducts checks of ISO/IEC 23009-1 MPEG-DASH media presentation descriptions (MPDs) and segments to ensure conformance with DASH-related specifications from DVB and HbbTV.

“DVB and HbbTV have a close relationship and common membership, making this the perfect partnership,” said Peter MacAvock, chair of DVB. “Content delivery is becoming increasingly complex. Working together, we are bringing simplicity to content conformance for DASH-delivered streams.”

Extending the existing DASH-IF validator, the new tool includes:
• Comprehensive checks for MPEG-DASH MPD validation (XML, DASH schema, and MPEG-DASH MPD rules), segment validation (ISO BMFF and MPEG-DASH segment rules), cross-representation validation (MPEG-DASH cross-representation rules), and live MPD segment access validation.
• Compliance with a wide range of specifications.
• Support for DVB-DASH Profile v1.1.1 and HbbTV 1.5 extensions.

After performing conformance checks, the new tool generates reports for users to analyse. The reports are colour-coded, making it easy to see important information, warnings, and error messages. Additionally, the tool complements the HbbTV Association DRM Reference Application and Test Suite, providing device manufacturers with examples of working applications and content with DRM.

“We are excited about the release of this DASH validation tool, which will help application developers and content providers verify that their services are compliant with the HbbTV/DVB DASH profiles, enabling them to offer compelling hybrid services that enhance the viewer experience,” said Vincent Grivet, chair of the HbbTV Association.

DVB-DASH defines the delivery of live and on-demand TV content over the open internet via HTTP adaptive streaming. By defining additional constraints and referencing a selection of video and audio codecs from the DVB toolbox as being technically appropriate for use with MPEG-DASH, DVB-DASH facilitates implementation of the MPEG-DASH specification. DVB-DASH is referenced in the HbbTV specifications, which means that many devices on the market currently support this profile. Content providers across Europe have deployed services using DVB-DASH.

The validator source code is now available for free under an open source license and can be found by visiting https://github.com/Dash-Industry-Forum/Conformance-Software.

More information on support for HbbTV application developers can be found at https://www.hbbtv.org/resource-library/developer-support/.

More information about DVB is available at www.dvb.org.