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  ITU-T A.5 justification information for referenced document ARIB STD-B58 V1.0 (2014) in draft F.780.1
1. Clear description of the referenced document:
Name: ARIB STD-B58 V1.0 (2014)
Title: Interface for UHDTV Production System
2. Status of approval:
Published as an ARIB Standard.
3. Justification for the specific reference:
This document defines an ultra high-definition interface that can transmit full-specification 8K video signals, which have about 100 times the data volume of HD video over a single cable. This specification called U-SDI is one of the recommended means to transmit UHD signal between devices, as described in 7.1.1.3.1 and 7.1.1.3.2 of F.Med-UHF.
4. Current information, if any, about IPR issues:
Relevant IPR information is provided within the standard itself.
5. Other useful information describing the "Quality" of the document:
N/A
6. The degree of stability or maturity of the document:
Stable
7. Relationship with other existing or emerging documents:
N/A
8. Any explicit references within that referenced document should also be listed:
1.3.1 Normative References/
(1) ARIB STD-B56 Version 1.1, “UHDTV System Parameters for Programme Production”/
(2) ANSI INCITS 230-1994 (R1999), “Information Technology - Fibre Channel - Physical and Signaling Interface (FC-PH) ”/
(3) IEEE 802.3ae–2002, Amendment, “Media Access Control (MAC) Parameters, Physical Layers, and Management Parameters for 10 Gb/s Operation”/
(4) JIS C 5964-7:2010, “Fiber optic connector interfaces - Part 7: Type MPO connector family (F13) ”
9. Qualification of ARIB:
ARIB is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
N/A
Note: This form is based on Recommendation ITU-T A.5