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1.
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Clear description of the referenced document:
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Name:
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ANSI/SCTE 20 2004
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Title:
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Method for Carriage of Closed Captions and Non-Real Time Sampled Video
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2.
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Status of approval:
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Approved Standard
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3.
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Justification for the specific reference:
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This specification defines specification for method for carriage of closed captions and non-real time sampled video, which constitutes a part of this Recommendation. This standard is deployed in many cable television related services.
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4.
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Current information, if any, about IPR issues:
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No known issues.
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5.
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Other useful information describing the "Quality" of the document:
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The standard is implemented and widely deployed
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6.
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The degree of stability or maturity of the document:
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See item 5.
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7.
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Relationship with other existing or emerging documents:
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None known
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8.
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Any explicit references within that referenced document should also be listed:
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1. ISO/IEC 13818-2:2000: Information technology -- Generic coding of moving pictures and associated audio information – Part 2: Video (MPEG-2 Video)/
2. ITU-R BT.601-5, Studio Encoding Parameters of Digital Television for Standard 4:3 and Wide-Screen 16:9 Aspect Ratios, ITU Radiocommunication Assembly, 1995/
3. EIA 608-B, Line 21 Data Services, 2000
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9.
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Qualification of
SCTE:
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SCTE is recognized under the provisions of ITU-T Recommendation A.5. Qualifying information is on file with TSB.
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10.
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Other (for any supplementary information):
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None
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