... Audio and video output 3.RS-232 interface for software upgrade set top box ( hd dvb t receiver), support mpeg2, mpeg4, h ... : H.264/VC-1/MPEG2/AVSAudio decodeSupport MPEG 1, 2, MP 3, DD/DD+, AAC/AAC+, andWMA9/WMA9proDistinguish rate, display rateHD max ... : 720 x480 or 720x576,Support 4:3 and 16:9 set top box ( hd dvb t receiver), support mpeg2, mpeg4, h.264 ...