DVR2000-H4RT (V 3.0)/H1RT (V 1.2) DVR Decoding Card DVR2000-H4RT (V 3.0)/H1RT (V 1.2)Audio and Video Decoding Card decodes the compressed audio and video digital signal to the simulated signal for displaying on the TV-wall 1) H4RT(V 3.0):4 channels audio and video output supported; 2) H1RT (V 1.2): 1 channel audio and video output supported; 3) MPEG-4/H.264 video compression, G.729A audio hardware compression; 4) D1 real-time display, above 625 TV lines; 5) CIF real-time recording, D1 non real-time recording; 6) Code flow: 60M~200M/H; 7) Real-time display resolution: 704*576. OVERLAY display mode supported; 8) CBR and VBR supported, 500:1 compression ratio; 9) Build-in digital reducing noise functions to optimize the image quality; 10) Optional alarm input/output module; 11) Optional hardware watchdog:automatic reboot of recorder upon the detection of O/S system conflicts; 12) Motion detection and video shield functions supported (32*24 areas can be set); 13) Snapshooting function in scene; 14) Image rotation: 90?