1 Performance
requirements
2 Use for conveying composite signals
3 Conditional access
4 Upward extensibility
5 Other applications
6 System complexity
7 System availability
8 Associated sound signals
Annex 1 Principal elements of the 4:2:2 standard as
given in Recommendation ITU-R BT.601 (Part A)
Annex 2 Further information relating to failure
characteristics and recovery time