RECOMMENDATION ITU-R BT.1118-1 - Enhanced compatible widescreen television based on conventional television systems
ANNEX 1 - Modules and features of enhanced television
1 Picture enhancement modules
    1.1 Coder requirements for accommodating wide aspect ratio signals
    1.2 Coder requirements for reducing cross-effects and making optimal use of the signal spectrum
    1.3 Ghost cancellation
    1.4 Coder requirements for increased resolution
    1.5 Data signalling
2 Sound enhancement modules
3 Other features
ANNEX 2 - Enhancement methods for 625-line systems
1 Picture enhancement techniques
    1.1 Wide aspect ratio coding
    1.2 Reduction of cross-effects
    1.3 Ghost cancellation
    1.4 Increased resolution
    1.5 Data signalling
2 Sound coding