THis is ALL the info they gave me:
Codec: MPEG2
Frame size: 1920×1080 pixels
Aspect picture ratio (OAR): from 1.78:1, up to 2.35:1
Frame rate: 50i
Stream type: MPEG2 Video Stream (Main Profile @ High Level)
Field dominance (interlacing): Upper Field First
Bit rate: not less 50Mbit/s CBR
Chroma format: 4:2:2
I am sending them sample files, but if you say only some systems can read MPEG2 4:2:2, then perhaps I should just send them the test file even though I can’t read it.