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CEA R4.3 WG 1

CEA R4.3 WG 1. Organized under CEA R4.3 Television Data Systems Subcommittee Responsible for Digital Closed Caption Standards EIA-708-B CEB-8. Tasks. Task Group 1: Test Streams for DTV-CC Task Group 2: EIA-708-B Implementation Task Group 3: Standards Maintenance. Test Streams.

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CEA R4.3 WG 1

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  1. CEA R4.3 WG 1 • Organized under CEA R4.3 Television Data Systems Subcommittee • Responsible for Digital Closed Caption Standards • EIA-708-B • CEB-8

  2. Tasks • Task Group 1: Test Streams for DTV-CC • Task Group 2: EIA-708-B Implementation • Task Group 3: Standards Maintenance

  3. Test Streams • A Brief explanation of our work

  4. Requirements • Base-band video • Initially, 1080i, then 720p and so on. • Video Graphics • Standard Test Pattern • Printed Time Stamp • Descriptive Open Caption Box (WYSIWYSG) • Include Identification Title

  5. Requirements • PSIP • Use Service Descriptors • Stuff EIT and ETT • Support 6 Services • Emphasis on Conformance • Test 128k byte buffer limit • Boundary Testing

  6. Requirements • Distribution • CD-ROM • 4 Minutes and 20 second limit • Suite of Test Disks

  7. Iteration 1 • Complete EIA-608 • CC1 and CC3 • Transcoded to EIA-708 • Service 1 and 2

  8. Iteration 2 • Native EIA-708 • Service 1 through 6 • Prioritized Features Testing • Boundary Testing

  9. End Thank You

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