ETSI TR 101 290 V1.3.1 (2014-07) TECHNICAL REPORT Digital Video Broadcasting (DVB); Measurement guidelines for DVB systems 2 ETSI TR 101 290 V1.3.1 (2014-07) Reference RTR/JTC-DVB-340 Keywords broadcasting, digital, DVB, 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 The present document can be downloaded from: http://www.etsi.org The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. 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ETSI 3 ETSI TR 101 290 V1.3.1 (2014-07) Contents Intellectual Property Rights .............................................................................................................................. 10 Foreword ........................................................................................................................................................... 10 Modal verbs terminology .................................................................................................................................. 10 1 Scope ...................................................................................................................................................... 11 2 References .............................................................................................................................................. 11 2.1 Normative references ....................................................................................................................................... 11 2.2 Informative references ...................................................................................................................................... 11 3 Definitions, symbols and abbreviations ................................................................................................. 13 3.1 Definitions ........................................................................................................................................................ 13 3.2 Symbols ............................................................................................................................................................ 13 3.3 Abbreviations ................................................................................................................................................... 14 4 General ................................................................................................................................................... 17 5 Measurement and analysis of the MPEG-2 Transport Stream ............................................................... 19 5.1 General ............................................................................................................................................................. 19 5.2 List of parameters recommended for evaluation .............................................................................................. 19 5.2.1 First priority: necessary for de-codability (basic monitoring) .................................................................... 21 5.2.2 Second priority: recommended for continuous or periodic monitoring ...................................................... 23 5.2.3 Third priority: application dependant monitoring ....................................................................................... 24 5.3 Measurement of MPEG-2 Transport Streams in networks ............................................................................... 29 5.3.1 Introduction................................................................................................................................................. 29 5.3.2 System clock and PCR measurements ........................................................................................................ 29 5.3.2.1 Reference model for system clock and PCR measurements ................................................................. 29 5.3.2.2 Measurement descriptions ..................................................................................................................... 31 5.3.2.3 Program Clock Reference - Frequency Offset PCR_FO ....................................................................... 31 5.3.2.4 Program Clock Reference – Drift Rate PCR_DR ................................................................................. 32 5.3.2.5 Program Clock Reference - Overall Jitter PCR_OJ .............................................................................. 32 5.3.2.6 Program Clock Reference – Accuracy PCR_AC .................................................................................. 32 5.3.3 Bitrate measurement ................................................................................................................................... 32 5.3.3.1 Bitrate measurement algorithm ............................................................................................................. 33 5.3.3.2 Preferred values for Bitrate Measurement ............................................................................................. 34 5.3.3.3 Nomenclature ........................................................................................................................................ 34 5.3.4 Consistency of information check .............................................................................................................. 35 5.3.4.1 Transport_Stream_ID check ................................................................................................................. 35 5.3.5 TS parameters in transmission systems with reduced SI data ..................................................................... 35 5.4 Measurement of availability at MPEG-2 Transport Stream level .................................................................... 36 5.5 Evaluation of service performance by combination of TS related parameters ................................................. 37 5.6 Parameters for CI related applications .............................................................................................................. 37 5.6.1 Latency ....................................................................................................................................................... 38 5.6.2 CI_module_delay_variation ........................................................................................................................ 39 5.6.3 Input_output_TS comparison...................................................................................................................... 39 5.6.4 CI_module_throughput ............................................................................................................................... 39 5.6.5 Valid TS on CI ............................................................................................................................................ 39 6 Common parameters for satellite and cable transmission media ........................................................... 40 6.1 System availability ........................................................................................................................................... 40 6.2 Link availability ............................................................................................................................................... 40 6.3 BER before RS decoder ................................................................................................................................... 41 6.3.1 Out of service .............................................................................................................................................. 41 6.3.2 In service ....................................................................................................................................................