Video input 24channels
Single System PAL、NTSC
Resolutions PAL：704×576（D1）、352x288（CIF）、176x144（QCIF）
NTSC：704×480（D1）、352 x240（CIF）、176 x120（QCIF）
Frames PAL: each channel 1~25fps; NTSC: each channel 1~25fps adjustable
Compression H.264
Video Stream 100kbps～1000kbps
Video output 1 channels TV out output ，1channel VGA output
Searches By cameras(channels), date, time
Video Preview (video display) Support preview all channels at same time.；support switching display in 1,4,6,9, screen slip
Image quality adjustment Each channel adjusted by Brightness, contrast, hue and saturation
Screen info. The title of camera, date and time, secrecy shield area
Replay Type Support multi-type replay：pause、normal speed, fast forward and fast backward in duple and quadruple.
Audio input 24channels
Sampling rate 8KHz
Compressing standard G.729
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