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5339658d91b02ce69db19e5686a5e4ee | 103 189 | 5.6 Network Performance Parameters | It is advised that it is beneficial to monitor the following parameters between UNI and UNI in both directions of transmission during the period when the end-to-end quality parameters are being tested: • UNI-to-UNI one way packet delay over time. • UNI-to-UNI one way packet delay variation over time. • UNI-to-UNI one w... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 5.7 Future extension of the tests | In the part of testing the video quality it is foreseen that more detailed testing methods can be described in the future; this is captured in the structure of clause 6 by the notations "for further study". Speech quality measurements in the presence of background noise are generally recommended for mobile terminals li... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6 Detailed Test Description | This clause deals with a detailed test description of end-to-end quality assessment of voice and video service, respectively. Table 8 provides a link between the test names used in clause 4 and the clauses where the test is actually specified. Table 8: Link between test names and relevant clauses Test Name Clause QoS_V... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1 End-to-end Speech Quality assessment | In principle, the speech quality assessment can be done using two completely different ways, namely testing at acoustical interfaces and testing at electrical interfaces. Both methods are described below in more details. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.1 [QoS_Voice_ac_01]: Testing at Acoustical Interfaces | In the following clauses, the testing at acoustical interfaces is described from different perspectives, namely measurement setup, measurement methodology, test signals and instrumental assessment of listening quality. ETSI ETSI TS 103 189 V1.2.1 (2014-04) 24 |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.1.1 Measurement setup | Figure 4: Measurement setup: Acoustical to Acoustical A measurement setup is depicted in figure 4. It should be noted here that one of the smart phones displayed in figure 4 can also be replaced by other types of terminals in order to also investigate an impact of other technologies interconnected with LTE on a quality... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.1.2 Measurement methodology | In order to get statistically reliable results (to capture possible variations), a measurement should be done two times per test signal (4 different speech samples involved in the measurement) and transmission direction (uplink, downlink transmission). This approach provides eight quality values (MOS-LQO values) for ea... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.1.3 Test signals | The voice signals available as a part of the POLQA® licence package or files, which have passed a transparency check of the model defined in Recommendation ITU-T P.863 [20], are the basis for the instrumental evaluation of one-way speech transmission quality using the model defined in Recommendation ITU-T P.863 [20]. T... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.1.4 Instrumental assessment of listening quality | The latest psychoacoustic instrumental model according to Recommendation ITU-T P.863 [20] leads to a one dimensional "MOS-like" test result with a high correlation to quality scores gained by auditory listening only tests. The basic structure of the POLQA® model is depicted in figure 5. In principle, the model is based... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.2 [QoS_Voice_ac_el_01]: Testing from an Acoustical to an Electrical Interface | In the following clauses, the testing from an acoustical to an electrical interface (sending direction) is described from different perspectives, namely measurement setup, measurement methodology, test signals and instrumental assessment of listening quality. input degraded output internal idealized representation of t... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.2.1 Measurement setup | Figure 6: Measurement setup: Acoustical to Electrical A measurement setup is depicted in figure 6. It should be noted here that one of the smart phones displayed in figure 6 can also be replaced by other types of terminals in order to also investigate an impact of other technologies interconnected with LTE on a quality... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.2.2 Measurement methodology | In order to get statistically reliable results (to capture possible variations), a measurement should be done two times per test signal (4 different speech samples involved in the measurement). This approach provides eight quality values (MOS-LQO values), which will be averaged in post-processing and will form a single... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.2.3 Test signals | The voice signals available as a part of the POLQA® licence package or files, which have passed a transparency check of the model defined in Recommendation ITU-T P.863 [20], are the basis for the instrumental evaluation of one-way speech transmission quality using the model defined in Recommendation ITU-T P.863 [20]. T... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.2.4 Instrumental assessment of listening quality | The latest psychoacoustic instrumental model according to Recommendation ITU-T P.863 [20] leads to a one dimensional "MOS-like" test result with a high correlation to quality scores gained by auditory listening only tests. The basic structure of the POLQA® model is depicted in figure 7. In principle, the model is based... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.3 [QoS_Voice_el_ac_01]: Testing from an Electrical to an Acoustical Interface | In the following clauses, the testing from an electrical to an acoustical interface is described from different perspectives, namely measurement setup, measurement methodology, test signals and instrumental assessment of listening quality. input degraded output internal idealized representation of the input internal re... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.3.1 Measurement setup | Figure 8: Measurement setup: Electrical to Acoustical A measurement setup is depicted in figure 8. It should be noted here that one of the smart phones displayed in figure 8 can also be replaced by other types of terminals in order to also investigate an impact of other technologies interconnected with LTE on a quality... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.3.2 Measurement methodology | In order to get statistically reliable results (to capture possible variations), a measurement should be done two times per test signal (4 different speech samples involved in the measurement). This approach provides eight quality values (MOS-LQO values), which will be averaged in post-processing and will form a single... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.3.3 Test signals | The voice signals available as a part of the POLQA® licence package or files, which have passed a transparency check of the model defined in Recommendation ITU-T P.863 [20], are the basis for the instrumental evaluation of one-way speech transmission quality using the model defined in Recommendation ITU-T P.863 [20]. T... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.3.4 Instrumental assessment of listening quality | The latest psychoacoustic instrumental model according to Recommendation ITU-T P.863 [20] leads to a one dimensional "MOS-like" test result with a high correlation to quality scores gained by auditory listening only tests. The basic structure of the POLQA® model is depicted in figure 9. In principle, the model is based... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.4 [QoS_Voice_el_01]: Testing at Electrical Interfaces | |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.4.1 Measurement setup | Figure 10: Measurement setup: Electrical to Electrical A measurement setup is depicted in figure 10. It should be noted here that one of the smart phones displayed in figure 10 can be also replaced by other types of terminals in order to also investigate an impact of other technologies interconnected with LTE on a qual... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.4.2 Measurement methodology | In order to get statistically reliable results (to capture possible variations), a measurement should be done two times per test signal (four different speech samples involved in the measurement) and transmission direction (uplink, downlink transmission). This approach provides eight quality values (MOS-LQO values) for... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.4.3 Test signals | The voice signals available as a part of the POLQA® licence package or files, which have passed a transparency check of the model defined in Recommendation ITU-T P.863 [20], are the basis for the instrumental evaluation of one-way speech transmission quality using the model defined in Recommendation ITU-T P.863 [20]. T... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.1.4.4 Instrumental assessment of listening quality | The latest psychoacoustic instrumental model according to Recommendation ITU-T P.863 [20] leads to a one dimensional "MOS-like" test result with a high correlation to quality scores gained by auditory listening only tests. The basic structure of the POLQA® model is depicted in figure 11. In principle, the model is base... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2 Other end-to-end tests in the voice channel | Like the speech quality assessment, the end-to-end tests in the voice channel described in this clause can be done using two completely different ways, namely testing at acoustical interfaces and testing at electrical interfaces. All tests in the voice channel presented in this clause are described below for acoustical... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.1 Testing at Acoustical Interfaces | In the following clauses, the testing at acoustical interfaces is described from different perspectives, namely measurement setup, measurement methodology and test signals. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.1.1 Measurement setup | The measurement setup depicted in figure 4 (clause 6.1.1.1.1) also applies to all tests in the voice channel described in this clause. The acoustical access to terminals is the most realistic simulation of the "average" subscriber. This can be made by using HATS (Head And Torso Simulator) with appropriate ear simulatio... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.1.2 Measurement methodology | 6.1.2.1.2.1 [QoS_Voice_ac_02]: End-to-end frequency response The test signal to be used for the measurements shall be the speech sequences from Recommendation ITU-T P.501 [15] or the speech sequences available as a part POLQA® licence package. The spectrum of acoustic signal produced by the artificial mouth is calibrat... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.1.3 Test signals | A description of the test signals recommended for each of the tests defined in the voice channel are available above, as a part of the measurement methodology. For that reason, this clause only outlines crucial facts related to the test signals which have to be carefully considered when performing the tests described a... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.2 Testing from an Acoustical to an Electrical Interface | In the following clauses, the testing from acoustical to electrical interfaces is described from different perspectives, namely measurement setup, measurement methodology and test signals. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.2.1 Measurement setup | The measurement setup depicted in figure 6 (clause 6.1.1.2.1) also applies to all tests in the voice channel described in this clause. The acoustical access to terminals is the most realistic simulation of the "average" subscriber. This can be made by using HATS (Head And Torso Simulator) with appropriate ear simulatio... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.2.2 Measurement methodology | 6.1.2.2.2.1 [QoS_Voice_ac_el_02]: End-to-end sends frequency response The test signal to be used for the measurements shall be the speech sequences from Recommendation ITU-T P.501 [15] or the speech sequences available as a part POLQA® licence package. The spectrum of acoustic signal produced by the artificial mouth is... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.2.3 Test signals | A description of the test signals recommended for each of the tests defined in the voice channel are available above, as a part of the measurement methodology. For that reason, this clause only outlines crucial facts related to the test signals which have to be carefully considered when performing the tests described a... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.3 Testing from an Electrical to an Acoustical Interface | In the following clauses, the testing at acoustical interfaces is described from different perspectives, namely measurement setup, measurement methodology and test signals. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.3.1 Measurement setup | The measurement setup depicted in figure 8 (clause 6.1.1.3.1) also applies to all tests in the voice channel described in this clause. The acoustical access to terminals is the most realistic simulation of the "average" subscriber. This can be made by using HATS (Head And Torso Simulator) with appropriate ear simulatio... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.3.2 Measurement methodology | 6.1.2.3.2.1 [QoS_Voice_el_ac_02]: End-to-end receive frequency response The test signal to be used for the measurements shall be the speech sequences from Recommendation ITU-T P.501 [15] or the speech sequences available as a part POLQA® licence package. The test signal level shall be -16 dBm0, measured at the Electric... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.3.3 Test signals | A description of the test signals recommended for each of the tests defined in the voice channel are available above, as a part of the measurement methodology. For that reason, this clause only outlines crucial facts related to the test signals which have to be carefully considered when performing the tests described a... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.4 Testing at Electrical Interfaces | In the following clauses, the testing at electrical interfaces is described from different perspectives, namely measurement setup, measurement methodology and test signals. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.4.1 Measurement setup | The measurement setup depicted in figure 10 (clause 6.1.1.4.1) also applies to all tests in the voice channel described in this clause. The tests described hereafter assume that a 4-wire interface (or equivalent) is provided by the terminal. This may either be a specially provided test interface or a regular headset in... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.4.2 Measurement methodology | 6.1.2.4.2.1 [QoS_Voice_el_02]: End-to-end frequency response The test signal to be used for the measurements shall be the speech sequences from Recommendation ITU-T P.501 [15] or the speech sequences available as a part POLQA® licence package. The test signal level is averaged over the complete test signal sequence. Me... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.1.2.4.3 Test signals | A description of the test signals recommended for each of the tests defined in the voice channel are available above, as a part of the measurement methodology. For that reason, this clause only outlines crucial facts related to the test signals which have to be carefully considered when performing the tests described a... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2 End-to-end Quality assessment of video service | The following clauses focus on all aspects of end-to-end quality assessment of video service, namely on end-to-end video quality assessment, other end-to-end tests in the video channel, functional quality parameters of the video channel and network performance parameters in the video channel. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1 End-to-end Video Quality assessment | In principle, the video quality assessment can be done using two completely different ways, namely testing on optical interface or testing with inserted and retrieved video files. As the first one is currently under development, it is left for further study. A detailed description of the well-established method (testin... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.1 Testing at Optical Interfaces | This is for further study. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.2 [QoS_Video_filebased_01]: Testing with inserted and retrieved video files | In the following clauses, the testing with inserted and retrieved video files is described from different perspectives, namely measurement setup, measurement methodology, test signals and instrumental assessment of video quality. ETSI ETSI TS 103 189 V1.2.1 (2014-04) 58 |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.2.1 Measurement setup | Figure 15: Measurement setup A measurement setup is depicted in figure 15. The input signals described in clause 6.2.1.2.3 are transmitted and recorded simultaneously, that means that the retrieval process starts at the same time as the transmission process begins. Therefore exact delay assessment is possible. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.2.2 Measurement methodology | In order to get statistically reliable results (to capture possible variations), a measurement should be done two times per each test signal (at least three different video sequences from a content perspective involved in the measurement). This approach provides at least six quality values characterized by DMOS scores ... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.2.3 Test signals | Video test sequences with a length of at least ten seconds are recommended for this test. The selected video sequences should cover different types of content. In particular, it is proposed to use at least three different types of content ranging from mostly stable scenes to fast moving scenes. Naturally, a type of the... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.1.2.4 Instrumental assessment of video quality | A proprietary metric called Perceptual Evaluation of Video Quality (PEVQ) based on the PVQM model [24] is the most accurate full-reference video quality prediction model currently available. The quality evaluation consists of five main stages. In the first stage, both the original and the distorted video signals are pr... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 6.2.2 Other end-to-end tests in the video channel | This is for further study. 6.2.3 [QoS_Video_func_01]: Functional Quality parameters of the video channel As can be seen in clause 5.5.2, only one functional quality parameter of the video channel has been recommended in this case, namely streaming service access time. Its definition and abstract equation are available ... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7 Documentation and Interpretation of Test Results | The presentation of the end-to-end quality results shall be done in a way which is also appropriate for non-experts, such as technical management staff. Detailed interpretation of test results should be unambiguous and follow state-of-the-art statistical analysis and techniques. All necessary details shall either be co... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.1 Measurement configuration description | In the report, it is necessary to describe the analysis chain including network architecture and speech quality analyser implemented to carry out the measurements. All information concerning the measurement chain (type of equipment, manufacturer and model of these equipments, firmware version and configuration) should ... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.1.1 Mandatory documentation of test results | In order to provide an easy means of comparison of tests carried out by different test houses, it is mandatory to provide all results in the format of the template given in annex A of the present document. |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.2 One-view visualization of performances | In order to give a quick overview of all quality parameters, a specific representation (overview visualization defined in Recommendation ITU-T P.505 [16]) of the metric value will be used. This representation reveals at one glance the strengths and weaknesses of devices under test with respect to target values. This sp... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.2.1 Creation of Quality Pies according to Recommendation ITU-T P.505 | For each test case a Quality Pie according to Recommendation ITU-T P.505 [16] shall be created. The numerous complex parameters that determine the quality of telecommunication equipment as well as end-to-end quality can be interpreted by technical experts only. The tool specified in Recommendation ITU-T P.505 [16] prov... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.3 Visualization of performance variations | It is also important to present the variation of indicators. For the speech quality, other parameters captured in parallel with the corresponding MOS value for each measurement, like delay, etc. and network performance parameters, the indicators show the time variation within the same communication. In addition, averag... |
5339658d91b02ce69db19e5686a5e4ee | 103 189 | 7.4 Result interpretations | An interpretation of the results would be presented in the report of the analysis. For each metric, it is necessary to explain the results obtained during the tests. The analysis of the results has to show the comparison of the performance levels (maximum, medium and minimum) of the tested devices. ETSI ETSI TS 103 189... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 1 Scope | The present document specifies extensions to the CI Plus V1.3 specification [3], which was produced and continues to be published by CI Plus LLP. |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 2 References | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 3 Definition of terms, symbols and abbreviations | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 3.1 Terms | For the purposes of the present document, the following terms apply: application coordination framework: set of CI Plus specific rules around the coordination of broadcast and CICAM applications NOTE: As specified in clause 12.4 of the present document. application MMI resource: As defined in clause 14.4 of CI Plus 1.3... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 3.2 Symbols | Void. |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: ADQ Application Domain Query AIT Application Information Table AKH Authentication Key Host AKM Authentication Key Module (CICAM) APDU Application Protocol Data Unit API Application Programming Interface ASN.1 Abstract Syntax Notation One AV Au... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4 CI Plus extensions overview | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.1 Introduction | The present document provides various extensions to the CI Plus V1.3 specification [3], which maintains its validity for CICAM and Host implementations according to the present document, unless specific clauses are amended or excluded explicitly in the present document. The following is a list of the features specified... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.2 Multi-stream reception | The CI Plus V1.3 specification [3] is based on an architecture that supports the routing of only a single TS via the TS Interface, through the CICAM and back to the Host, and the decryption of one or more services in that TS. This imposes a limitation on the flexibility of implementations to support, for example, the c... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3 IP-delivered content | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.1 General | Many broadcast service providers and network operators already deliver content over IP, often as a supplement to broadcast services. Host devices are increasingly capable of being connected to broadband IP networks, and have hybrid broadcast broadband capability. Previous versions of the CI specifications do not includ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.2 IP delivery modes | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.2.1 Host player mode | This mode covers a topology in which the Host is connected to a broadband network, and handles the protocols by which the content is delivered. The Host also processes the encapsulation, or container format, for the content. The Host passes the content to the CICAM for DRM decryption. The CICAM returns the decrypted co... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.2.2 CICAM player mode | This mode covers a topology in which the Host is connected to a broadband network, but does not handle the protocols above UDP or TCP by which the content is delivered, or its encapsulation formats or codecs, but instead passes the UDP/TCP payload data to the CICAM. The CICAM interprets the encapsulation and manages th... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.3 IP delivery use cases | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.3.1 General | The delivery of content over IP can use a number of approaches. The principal methods are illustrated in the following clauses by three IP delivery use cases. This set of use cases is not intended to be an exhaustive representation of all possibilities. |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.3.2 Linear and VoD Streaming (pull) | The content is streamed from the server using a pull protocol such as HTTP. The Host might be able to perform trick play, for example to skip forwards or backwards within a content item. The Host is also able to provide fast forward and reverse modes by either requesting the content faster than real time or by requesti... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.3.3 Linear and VoD Streaming (push) | The content is streamed from the server using a push protocol such as RTSP/RTP. The Host is able to perform trick play, for example to skip forwards or backwards and fast forward and reverse modes within a content item, by using the RTSP protocol to send the appropriate commands. The protected content is decrypted by t... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.3.3.4 Downloaded content | This use case is possible only in IP delivery Host player mode. The content has previously been downloaded to local storage and is protected by DRM encryption. The content is now read by the Host. The Host might be able to perform trick play, for example to skip forwards or backwards and fast forward and reverse modes ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.4 CI Plus browser extensions | The CI Plus browser is extended to include the functionality of static content retrieval over an IP connection by a CI Plus browser application, by adopting a profile of the MHEG interaction channel specified in the MHEG-5 Broadcast Profile specification [6]. This aspect is specified in clause 12.2 of the present docum... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.5 CICAM application launching | Host devices often include a middleware environment, for example HbbTV® or MHP®, to support broadcast and/or online interactive applications. The present document provides mechanisms for the CICAM to enquire about the support of middleware systems, also referred to as application environments, in the Host, and to launc... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.6 CICAM file retrieval | The present document specifies a mechanism whereby a Host application, for example HbbTV® or MHP®, can retrieve files that are stored on the CICAM. The file system is elementary in nature - it is read-only and there is no notion of directory structure or discovery. The intended usage of this file retrieval facility is ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.7 Usage Rules Information extensions | The present document specifies an extension of the Content Control URI signalling to support trick mode inhibition, i.e. trick mode control operations to be enabled or disabled for the corresponding item of controlled content. This control applies to controlled content with copy control status of copy one generation on... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 4.8 Watermarking and transcoding | The primary application of the original Common Interface Specification CENELEC EN 50221 [1] was for the descrambling of particular services or their component streams by a CA system embedded in the CICAM. Other applications, for example those which necessitate any manipulation of the contents of the service or one or m... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 5 General requirements | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 5.1 Backwards compatibility | Hosts that are compliant with the present document shall operate with CICAMs conforming to previous versions of CI Plus, i.e. V1.3 [3] and earlier, and with CICAMs conforming to DVB CI [1] and [2]. Particular issues concerning multi-stream operation when multiple CICAMs are installed are addressed in clause 6.2.7. CICA... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 5.2 Watermarking and transcoding | CI Plus CICAMs that are compliant with the present document may perform the following operations in addition to the descrambling of protected services or their component streams: • the addition of a watermark; • transcoding of one or more component streams. Irrespective of the content processing function performed by t... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 5.3 PES level scrambling | The CI Plus V1.3 specification [3] makes provision for protected content delivered with scrambling applied at the PES level to be re-scrambled by the CICAM using the TS level scrambling method specified in that same specification. Due to the security vulnerability introduced by such re-scrambling the present document s... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6 Multi-stream reception | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.1 General | This clause specifies extensions to enable the carriage of multiple services from multiple tuners on the Host over the TS Interface with a single instance of the TS Interface and a single attached CICAM. For multi-stream operation the TS Interface shall be put into a special mode of operation, called multi-stream mode,... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2 TS Interface and Local TS multiplexing | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.1 Local TS identifier | Each of the Local TSs is assigned a Local TS identifier (LTS_id) by the Host to identify it uniquely. The LTS_id replaces the fixed value of 0x47 in the sync byte field of the TS packet header of every TS packet passed from the Host to the CICAM. The Host shall set the sync byte field in the TS packet header to carry t... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.2 Multiplexing broadcast and IP-delivered content | IP-delivered content shall be carried in TS format between the Host and CICAM and back to the Host. Clause 7.5.3 specifies the method to encapsulate non-TS format IP-delivered content into a TS for carriage over the TS Interface. In single-stream mode the IP-delivered content is carried as the single TS over the TS Int... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.3 Multiplexed TS packet order, delay and delay variation | The CI specification [1] sets out requirements of the CICAM concerning packet delay and delay variation for the single TS passing through the CICAM from and back to the Host. Table 1 specifies the requirements on the CICAM regarding the management of TS packet order, delay and delay variation for the various use cases ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.4 Scrambling cipher and CCK usage | The Host and the CICAM shall follow the same scrambling cipher selection rules as in Table 5.6 of the CI Plus V1.3 specification [3]. The same selected cipher shall be used on all of the LTSs. Different key material Km, consisting of Content Control Key CCK and Content Initialization Vector CIV (if required), shall be ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.5 Host Service Shunning | When Host Service Shunning is active on a selected broadcast service (as defined in clause 10 of the CI Plus V1.3 specification [3]), the Host shall ensure that the shunned service is not provided to the CICAM for descrambling. In multi-stream mode the Host shall by-pass the multiplexing of the Local TS containing the ... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.6 TS clock | As a result of multiplexing variable bit rate Local TSs, the bit rate over the TS Interface may change continuously, hence the Host and CICAM shall support variable MPEG Input Clock and MPEG Output Clock frequencies, including times when the clock may stop completely. |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.2.7 Multi-stream operation with multiple CICAMs | As specified in clause 5.1, multi-stream Hosts shall be able to operate with CICAMs conforming to earlier versions of the CI Plus specification and with DVB-CI [1], but particular provisions are provided for the case when multiple CICAMs are installed in the multi-stream capable Host, as follows: • Host with multi-stre... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.3 PID Selection | |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.3.1 General | A broadcast TS generally contains more than one service. In order to reduce bandwidth over the TS Interface, for each service to be decrypted the Host may choose to select only the PIDs corresponding to the selected service from the tuner to be output to form a new partial TS, and may discard the remaining incoming PID... |
640cdd88dcdf317f90107dbb72f1d840 | 103 205 | 6.3.2 Default PID selection | The following PIDs shall be selected by the Host by default upon a service selection and the corresponding TS packets shall be sent over the TS Interface: • The ES PIDs (Elementary_PIDs) that are declared in the corresponding ca_pmt() APDU. • The CA_PIDs declared in a CA_descriptor() present in the corresponding ca_pmt... |
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