Characteristics : 1.Support MPEG-1,MPEG-2 MPï¼ HLMPEG-4 SP and ASP,H.264,VC-1,RealMedia video decoding 2.Support MPEG-1-Audio  ,MPEG-2-Audio LayerI/II ,stereo audio decoding Dolby AC35.1 channel surround sound Sampling frequency 32/44.1/48KHzsupport MP3,AAC,WMA, 3.Support HD/SD digital signal 4.Support 500 channels memory ( including digital program,audio radio program, digital radio program ) 5.Support auto search , manual search , full frequency search . 6.Support EPG 7.Support joint Stereo, Mono , dual channel. Volume level 32 8.Support OSD 9.Support online software upgrade and local upgrade. 10.Support email 11.HDMI output 12.Support 1080p,720p,576p,576i  13.image format:JPG,PNG,BMP, 14.audio format:mp3,wav,ogg,aac,m4a 15.video format:mp4,avi,flv,mk,mov,mpg,ts,vob 16.support PVR 17.support FAT32 18.Support AC-3 (option)