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1.
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Clear description of the referenced document:
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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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ETSI EN 300 472 deals with EBU Teletext used in IPTV terminal devices.
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4.
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Current information, if any, about IPR issues:
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None known
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5.
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Other useful information describing the "Quality" of the document:
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The document is in existence, in previous versions, from 1994. It is very widely used technology.
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6.
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The degree of stability or maturity of the document:
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Approved and in use for many years.
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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 13818-1: "Information technology - Generic coding of moving pictures and associated/
audio information: Systems"./
[2] ETSI EN 300 468: "Digital Video Broadcasting (DVB); Specification for Service Information (SI)/
in DVB systems"./
[3] ITU-R Recommendation BT.653: "Teletext systems"./
[4] ETSI EN 300 706: "Enhanced Teletext specification
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9.
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Qualification of
ETSI:
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ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
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10.
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Other (for any supplementary information):
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None
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