The last issue of DVB-SCENE (the quarterly magazine of the DVB Project) includes an article by Ken McCann (Zetacast and Chairman of TM Ad Hoc Group on Audio-Visual Content, TM-AVC) entitled "Scalable Video Coding within DVB".
Here is the abstract:
The two main DVB Audio-Visual Coding specifications, for broadcast applications based on the MPEG-2 Transport Stream and for DVB applications delivered directly over IP protocols, are currently being revised to add new options to the toolboxes. Probably the most significant of these new options is Scalable Video Coding, defined by an amendment to the H.264/AVC specification. The objective is to produce an encoded signal that has the capability of being decoded to give video, albeit at reduced quality, from only part of the bit-stream.
Scalable Video Coding is a worthy addition to the DVB toolbox, applicable to a wide range of potential applications. However, as with the other tools, it should be selected for use when appropriate; it is not a 'magic bullet' that gives benefits under all circumstances.
DVB-SCENE #28 is available for download in PDF at this link.
Other articles include:
- Making the Content and Device Value Chains Work for All Stakeholders
- Synchronised Interactivity with MHP
- Mobile Return Channel
- Market Watch