Vienna, Austria – 27th – 28th April 2015: Celtic+ Event

Some of the 20 Use Cases studied by the project were demonstrated to give a flavour of what hybrid technology can bring to the End-User experience and to illustrate the work done by the project on synchronization issues between the broadcast and the broadband networks.

  • Hybrid distribution of High Efficiency Video Coding (HEVC) signal: This is a way to offer an HD (High Definition) experience to End Users having connected TVs and watching SD (Single Definition) TV programmes on broadcast networks. SHVC (Scalable High efficient Video Coding) is used to send on the broadcast network an SD programme and an enhancement layer on the broadband network allowing the display of an HD video on the terminal.
  • Live & Pause – trick-mode keys on broadcast programmes: This Use Case gives to the viewer of a programme sent over a traditional broadcast network some “trick modes” functionalities on live programs (pause, rewind, fast forward, …). These functionalities, which are available today for Video On Demand services only, are allowed for live programs by switching seamlessly from a broadcast reception to a broadband reception.
  • PIP insertion for sign language: This is a particular case of a more general one where the TV set displays the broadcast stream in full screen and what is received through the broadband network in an inset window. Sign language translation is a video service which is existing today but which is quite scarce, mainly because the sign language translation is displayed to everyone, deaf persons or not. With the H2B2VS approach, the main programme remains unchanged on the broadcast network and the broadband network is used to carry the sign language translation. Only deaf people will watch it and the PIP insertion will be done by the TV set at end-user’s request.
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A real-time demonstration of the Kvazaar encoder was also carried out.
celtic3 Digital video is estimated to account for 80% of global consumer Internet traffic by 2018 and the growth of video traffic is anticipated to continue fast due to consumer-driven expectations of brilliant quality and immerse user experience. Therefore, more efficient video compression is vital and the way for it is paved by the emerging HEVC video coding standard.
The H2B2VS project developed an open-source encoder for HEVC with the following main objectives:

  • Excellent video quality at low bit rates,
  • Easy portability to different platforms (CPU/GPU/ASIC/FPGA),
  • Real-time encoding speed,
  • Low-cost implementation.