... quality video and audio transmission, full support for HD SDI, HDMI, YPbPr, S-Video interfaces inputs, ... unicast and multicast network Support the importation of HD SDI, HDMI, CVBS, S-Video, YPbPr encoding ... but in order to make the encoded image hd quality even approaching perfect, we usually recommend ... High Profile, Level 4 Aspect ratio:16:9(HD),4:3(SD) Scene change detection Resolution: 1920x1080i ...