1.
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Clear description of the referenced document:
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Name:
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ANSI/SCTE 21 2001
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Title:
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Standard for Carriage of NTSC VBI data in cable Digital transport streams
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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 carriage of NTSC VBI data in cable digital transport streams, which constitutes a part of this Recommendation. This standard is deployed in many cable television and broadcasting 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. Generic Coding of Moving Pictures and Associated Audio, ISO/IEC 13818-2: 1995 (E) International Standard (MPEG-2 Video)./
2. Generic Coding of Moving Pictures and Associated Audio, ISO/IEC 13818-1, International Standard, November, 1994 (MPEG-2 Systems)./
3. Characteristics of Systems for Monochrome and Colour Television, CCIR Report 624-4, 1990./
4. Encoding Parameters of Digital Television for Studios, CCIR Recommendation 601-2, 1990./
5. ATSC A/53, Digital Television Standard (1995)./
6. Lewis, Boyd A. and Kempter P., AMOL Signal Specifications, Nielsen Engineering and Technology, January, 1994, Revision Level 1.1, Document Number ACN 403-1122-000./
7. Code of Federal Regulations, Title 47 (Telecommunication), Part 73, Section 699./
8. NTC Report No. 7, Video Facility Testing Technical Performance Objectives, 1976./
9. EIA-708-B, Digital Television (DTV) Closed Captioning October 1999./
10. ANSI/EIA-608-1994, Recommended Practice for Line 21 Data Service, September 1994./
11. AMOL Signal Specification, Nielsen Engineering and Technology, Document Number ACN 403-1122-000, Revision Level 1.4, January 16, 1995./
12. AMOL II Signal Specification, Nielsen Engineering and Technology, Document Number ACN 403-1193-024, Revision Level 3.2, May 19, 1995./
13. EIA-516, Joint EIA/CVCC Recommended Practice for Teletext: North American Basic Teletext Specification (NABTS), May 1988./
14. World System Teletext and Data Broadcasting System, Technical Specification, The Department of Trade and Industry, London, England, May 1987./
15. IEC-461, Time and Control Code for Video Tape Recorders (VITC), Publication 461,/
International Electrotechnical Commission, 1986./
16. SCTE DVS 157r1, SCTE Proposed Standard methods for carriage of closed captions and non real-time sampled video, March 1999.
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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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