This Recommendation defines user requirements that should be applied for the specifications, design and testing of systems for the secondary distribution and emission of SDTV and HDTV signals.
ITU-R BT.1122-2 SPANISH-2011 Referenced Document
ITU-R BS.1548 User requirements for audio coding systems for digital broadcasting*， 2019-10-01 Update
ITU-R BT.1129 Subjective Assessment of Standard Definition Digital Television (SDTV) Systems
ITU-R BT.1203 User requirements for generic video bit-rate reduction coding of digital TV signals for an end-to-end television system*， 2015-02-01 Update
ITU-R BT.1210 Test materials to be used in assessment of picture quality*， 2012-01-01 Update
ITU-R BT.1868 User requirements for codecs for transmission of television signals through contribution primary distribution and SNG networks
ITU-R BT.500 Methodology for the Subjective Assessment of the Quality of Television Pictures
ITU-R BT.601 Studio encoding parameters of digital television for standard 4:3 and wide-screen 16:9 aspect ratios
ITU-R BT.709 Parameter values for the HDTV standards for production and international programme exchange*， 2015-06-01 Update
ITU-R BT.710 Subjective Assessment Methods for Image Quality in High-Definition Television
ITU-R BT.1122-2 SPANISH-2011 history
2011ITU-R BT.1122-2-2011 User requirements for codecs for emission and secondary distribution systems for SDTV and HDTV