Webinar Date: 18th March 2019
Time: 14:00 GMT / 15:00 CET
Object oriented audio is a relatively new audio technique which doesn’t simply send audio as one track or two, but it sends individual audio objects – simplistically we can think of these as audio samples – which also come with some position information.
With non-object-orientated audio, there is very little a speaker system can do to adjust the audio to match. It was either created for 8 speakers, 6, or 2 etc. So if you have a system that only has 4 speakers or they are in unusual places, it’s a compromise to it sound right.
Object oriented audio sends the position information for some of the audio which means that the decoder can work out how much of the sound to put in each speaker to best represent that sound for whatever room and speaker set-up it has.
AC-4 from Dolby is one technology which allows objects to be sent with the audio. It still supports conventional 5.1 style sound but can also contain up to 7 audio objects. AC-4 is one NGA technology adopted by DVB for DASH.
In this webinar, Simon Tuff from the BBC discusses what the Audio Video Coding (AVC) experts of DVB have been working on to introduce Next Generation Audio (NGA) to the DVB specifications over recent years. With the latest version of TS 101 154, DVB’s guidelines for the use of video and audio coding in broadcast and broadband applications, being published by ETSI, it seems like a great time to unpack the audio part of the tool box and share the capabilities of NGA via a webinar.
In this video of the SCTE Autumn Lecture 2018, Chairman of DVB and the EBU’s Head of Distribution, Platforms & Services, Peter MacAvock explains the ways in which DVB, such a successful influence in our move to digital television, is relevant today and is still working to improve television delivery.
Peter starts with some positive news on the the level of TV watching still sustained throughout Europe despite the indisputable rise of Netflix, partly because much of that viewing has migrated to the television set.
There is a discussion of the promise of DVB-C2 which is introduced with a league table pitching the DVB standards as teams against the mighty ‘Shannon United’ football team that can’t be beaten. Find out what score DVB-C2 would have got if it had seen adoption.
In the rest of this talk, discusses the following:
The new TV value chain, compared to the old
The relevance of the physical layer now that everything is IP
5G TV Deployments
What is DVB-I and why is it useful for IP-deployed services?
Will Law from Akamai proves his chunky credentials by telling us how to achive very low-latency streaming in his talk at Demuxed 2018.
In the jungle of solutions for low latency live streaming, there are many current options ranging from WebRTC, to proprietary UDP protocols to standard segmented media with ever-shortening segments. This session highlights one of these – chunked-encoded chunked-transferred CMAF – as a optimal and practical confluence of both reach and performance. On the technical side we’ll investigate the underlying technology, the latency regimes possible, compatibility with legacy players, cachability on delivery networks and player behavior requirements. Including live demonstrations of several streams on a production network. This talks brings a standards perspective from DVB and DASH as well as CDN support. As a sweetener, Will points you at open source code on both the encoder and player side for doing this all yourself.
Chief Architect, Media Cloud Engineering
This webinar provides an overview of the DVB-SIS specification which enables the combination of DVB-T/T2 contribution and DVB-S/S2/S2X distribution in a single satellite beam. The specification is available as DVB BlueBook A175 and will in due course be published as an ETSI Technical Specification.
What is SIS and why has this specification been created?
Concept behind DVB-SIS
Elements of DVB-SIS
Practical example applications
Frank Herrmann, Project Leader, Panasonic Labs
Jean-Pierre Mosset, Software Architect, Harmonic Inc.
Date: 13th June 2018, 14:00 BST
DVB-DASH, for the delivery of TV content via HTTP adaptive streaming, provides a profile of features defined in the MPEG DASH specification. The latest revision of DVB-DASH, published by ETSI in March 2018, adds features related to UHD.
This webinar will have three sections:
General introduction to DVB-DASH (TS 103 285 1.2.1)
DVB-DASH player conformance points (TS 101 154 2.4.1)
Deployments and use cases
Those following the webinar live will have an opportunity to post questions to the presenters.
Simon Waller, Chief Standards Engineer at Samsung Electronics Research Institute UK
Chris Poole, Lead Research Engineer at BBC R&D
Martin Schmalohr, Researcher at IRT
Today at 14:00 GMT! 8th March
This Webinar covers Ultra-High Definition (UHD) Television and related technologies such as Higher Dynamic Range (HDR), Higher Frame Rates (HFR) and Next Generation Audio (NGA) in distribution.
What is the impact of Higher Frame Rates? What about Higher Dynamic Range? The German Institut für Rundfunktechnik (IRT) was involved in various subjective tests for HDR and HFR, and the IRT’s Dagmar Driesnack will cover those findings in her presentation.
Both features are also included in the latest DVB (Digital Video Broadcasting) receiver specification. Virginie Drugeon will present on DVB’s updated audio-visual coding specification, TS 101 154, which adds support for HDR, HFR and Next-Gen Audio.
UHD Features and Tests – Dagmar Driesnack
UHD in DVB Distribution Standards – Virginie Drugeon
What is next? – Interactive session with Dagmar Driesnack and Virginie Drugeon
Dagmar Driesnack, IRT, EBU Strategic Programme for Video Systems Co-Chair
Virginie Drugeon, Panasonic, DVB TM-AVC Working Group Chair
This webinar will provide an overview of the recent revision of bitmap subtitles and the recent specs for UHD Subtitles.
The DVB specification for TTML-based Subtitling Systems, approved in July 2017, has now been complemented by a revision of the existing specification for bitmap subtitles, creating a comprehensive suite of subtitling specifications from DVB. This approval also marks the completion of the current generation of specifications for Ultra High Definition Television – DVB UHD-1.
The agenda for the webinar is:
•Bitmap subtitle specification (EN 300 743) Update (DVB Bluebook A009)
•New DVB TTML specification (Bluebook A174)
•Deployment considerations DVB Subtitling
Experts conducting the webinar include:
Dr. Peter Cherriman, Senior R&D Engineer, BBC Research & Development and Chair of the TM-SUB
Paul Szucs, Senior Manager, Technology Standards, Sony Europe
Stefan Pöschel, Engineer, Production Technologies, IRT
DVB recently updated its audio-visual coding specification, adding support for High Dynamic Range (HDR), Higher Frame Rates (HFR) and Next Generation Audio (NGA). You can now learn all about the new features in a webinar by the editor of this impressive specification, Virginie Drugeon (Panasonic) on January 18th, 2017. The webinar and Q&A time should take around 1 hour. You can send your questions by the Webex chat function during the webinar and questions will be answered in a few blocks during the webinar.
The specification update has been published as BlueBook A157 and will be passed to ETSI for formal publication as TS 101 154 v2.3.1.
High Dynamic Range (HDR) significantly increases the contrast ratio and results in pictures with more ‘sparkle’. The DVB HDR solution supports Hybrid Log Gamma (HLG) and Perceptual Quantizer (PQ) transfer functions. Furthermore, the new specification defines Higher Frame Rates (HFR), offering sharper images of moving objects by going beyond the current 50/60 frames per second. When it comes to audio, DVB has added the latest Next Generation Audio (NGA) schemes to provide immersive and personalized audio content using object- or scene-based coding.