RECOMMENDATION ITU-R BT.709-4 - PARAMETER VALUES FOR THE HDTV STANDARDS FOR PRODUCTION AND INTERNATIONAL PROGRAMME EXCHANGE 
Signal parameter values for the 1125/60/2:1 system and the 1250/50/2:1 system
    PART 1 - HDTV systems related to conventional television
        1 Opto-electronic conversion 
        2 Picture characteristics 
        3 Picture scanning characteristics 
        4 Signal format 
        5 Analogue representation 
        6 Digital representation 
    PART 2 - HDTV system with square pixel common image format 
        Introduction 
        1 Opto-electronic conversion 
        2 Picture characteristics 
        3 Signal format 
        4 Analogue representation 
        5 Digital representation 
        6 Picture scanning characteristics 
    ANNEX 1 TO PART 2 - Segmented frame 
        1 Background 
        2 24-frame/s production 
        3 Progressive/interlace compatibility 
        4 Signal mapping