�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
�