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| PLEN | |
| Q13/9 | Work programme, coordination and planning |
| WP1/9 | Video transport and quality |
| Q1/9 | Transmission of television and sound programme signal for contribution, primary distribution and secondary distribution |
| Q2/9 | Measurement and control of the end-to-end quality of service (QoS) for advanced television technologies, from image acquisition to rendering, in contribution, primary distribution and secondary distribution networks |
| Q3/9 | Methods and practices for conditional access, protection against unauthorized copying and against unauthorized redistribution ("redistribution control" for digital cable television distribution to the home) |
| Q6/9 | Digital programme delivery controls for multiplexing, switching and insertion in compressed bit streams |
| Q11/9 | Transmission of multichannel analogue and/or digital television signals over optical access networks |
| Q12/9 | Objective and subjective methods for evaluating perceptual audiovisual quality in multimedia services within the terms of Study Group 9 |
| WP2/9 | Cable-related terminals and applications |
| Q4/9 | Software components application programming interfaces (APIs), frameworks and overall software architecture for advanced content distribution services within the scope of Study Group 9 |
| Q5/9 | Functional requirements for residential gateway and set-top box for the reception of advanced content distribution services |
| Q7/9 | Cable television delivery of digital services and applications that use Internet protocol (IP) and/or packet-based data |
| Q8/9 | The IP enabled multimedia applications and services for cable television networks enabled by converged platforms |
| Q9/9 | Requirements for advanced service capabilities over broadband cable home networks |
| Q10/9 | Requirements, methods, and interfaces of the advanced service platforms to enhance the delivery of sound, television, and other multimedia interactive services over cable television network |
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| Other groups under SG9 | |
| IRG-AVA | ITU Intersector Rapporteur Group on Audiovisual Media Accessibility |
