... MPEG-1 Layer I & II & III, dolby (AC3) AAC frequency4.Optical fiber digital SPDIF output5.A variety of display output format 1080i ... -1 Layer I and II, MPEG-2, MPEG-4 AAC connector·Standard EN50221·Conditions receiving support:Irdeto CA,NDS VideoGuard,Viaccess ... ,1 AV)·ASI output 1 ASI output ,BNC connector,surge impedance 75Ω·optical output:SPDIF·Hd output HDMI·Hd analog output YPBPR ...