ETSI TS 102 005 V1.1.1 (2005-03) Technical Specification Digital Video Broadcasting (DVB); Specification for the use of video and audio coding in DVB services delivered directly over IP European Broadcasting Union Union Européenne de Radio-Télévision EBU·UER 2 ETSI TS 102 005 V1.1.1 (2005-03) Reference DTS/JTC-DVB-124 Keywords audio, broadcasting, digital, DVB, MPEG, TV, video ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). 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ETSI 3 ETSI TS 102 005 V1.1.1 (2005-03) Contents Intellectual Property Rights................................................................................................................................5 Foreword.............................................................................................................................................................5 Introduction ........................................................................................................................................................5 1 Scope ........................................................................................................................................................7 2 References ................................................................................................................................................7 3 Definitions and abbreviations...................................................................................................................8 3.1 Definitions..........................................................................................................................................................8 3.2 Abbreviations .....................................................................................................................................................8 4 Systems layer............................................................................................................................................9 4.1 Transport over IP Networks ...............................................................................................................................9 4.2 RTP payload formats..........................................................................................................................................9 4.2.1 RTP packetization of H.264/AVC ................................................................................................................9 4.2.2 RTP packetization of High Efficiency AAC.................................................................................................9 5 Video ........................................................................................................................................................9 5.1 Profile and Level ..............................................................................................................................................10 5.2 Frame Rate .......................................................................................................................................................10 5.3 Aspect Ratio .....................................................................................................................................................11 5.4 Luminance resolution.......................................................................................................................................11 5.5 Chromaticity.....................................................................................................................................................11 5.6 Chroma.............................................................................................................................................................11 5.7 Parameter Constraints.......................................................................................................................................11 6 Audio......................................................................................................................................................12 6.1 Audio mode......................................................................................................................................................12 6.2 Profiles .............................................................................................................................................................12 6.3 Bit rate..............................................................................................................................................................12 6.4 Sampling frequency..........................................................................................................................................12 6.5 Dynamic Range Control...................................................................................................................................13 6.6 Matrix Downmix ..............................................................................................................................................13 Annex A (informative): Description of the Implementation Guidelines............................................14 A.1 Introduction ............................................................................................................................................14 A.2 Systems...................................................................................................................................................14 A.2.1 Protocol Stack..................................................................................................................................................14 A.2.2 Transport of High Efficiency AAC audio ........................................................................................................15 A.2.3 Transport of H.264/AVC video........................................................................................................................16 A.2.4 Synchronization of content delivered over IP ..................................................................................................16 A.2.5 Synchronization with content delivered over MPEG-2 TS ..............................................................................17 A.2.6 Service discovery .............................................................................................................................................17 A.2.7 Linking to applications.....................................................................................................................................17 A.2.8 Capability exchange .........................................................................................................................................17 A.3 Video ......................................................................................................................................................17 A.3.1 Video overview ................................................................................................................................................17 A.3.2 Network Abstraction Layer ..............................................................................................................................18 A.3.3 Video Coding Layer .........................................................................................................................................18 A.3.4 Explanation of H.264/AVC Profiles and Levels ..............................................................................................20 A.3.5 Summary of key tools and parameter ranges for Capability A to E IRDs........................................................22 A.3.6 Other Video Parameters ...................................................................................................................................22 A.4 Audio......................................................................................................................................................23