... of common 4 in 1 SD encoder .It also has 4 channel CVBS video input interfaces, 4 pairs of unbalanced audio input interfaces and an ... PAL, NTSC SD video formatsSupports D1,HD1,2/3D1,3/4D1 Resolutions Selected one SPTS from ASI output4 SPTS over ... BNC interfaceVideoResolution720×480_60i, 720×576_50i(D1)544×480_60i, 544×576_50i(3/4D1)352×480_60i, 352×576_50i(HD1)480×480_60i, 480×576_50i ...