4 Ch Half D1 H.264 DVR Card
Detailed Description
General
DSP Model: PHILIPS PNX 170X
Operating System: Windows 2000/XP
Video
Video Input: 4 channel of complex analog video signal, NTSC, PAL could be selected. BNC socket, 1.0Vp-p, 75Ω
Video Compression: H.264
Compression Resolution: PAL:704×576 (D1), 528×384 (2CIF), 352×288 (CIF)
NTSC: 640×480 (D1), 480×320 (2CIF), 320×240 (CIF)
Preview Resolution: PAL:704×576 (D1), 528×384(2CIF)
Playback Resolution: PAL:704×576 (D1), 528×384(2CIF)
Video Frame Rate: 2CIF/CIF: PAL 25f/s; NTSC 30f/s, D1: PAL 12f/s; NTSC 15f/s
Compression Bit Rate:20K~4M bps
Audio
Audio Input: 4 channel, RCA, 2Vp-p, 600Ω
Audio Sampling Rate: 8KHZ
Audio Compression: G.726
Functions
Hardware Filter: Multi-level hardware filters and De-interlace.
Overlapping: Multiple overlapping modes supported: OSD overlapping, date and time overlapping, Logo overlapping, and privacy masking. The brightness of OSD font varies automatically according to the adjustment of brightness of the self-adaptive back ground.
Motion Detection: Motion Detection of multiple windows, areas and multi-level sensitivity
Alarm: Video signal loss alarm
Encryption: Highly secure encryption technique with unique identification card number
Snapshot: Image snapshot supported. The backup modes include JPG and BMP
Real-time Line In: Real-time sound detection
Image Quality: Adjustable image quality including brightness, contrast, and hue.
Coding: CBR/HBR working mode is supported. At HBR mode, code stream upper limit could be set,even the noise is bigger, the code stream could also be controlled.
Dual Data Stream: Selectable main stream and auxiliary stream. Adaptable for narrow bandwidth transmission
Software
Software: compatible SDK (software development kit) and demonstration software with source code
Misc
Power Consumption: 7.8W
Operating Temperature: 0℃～50℃
Operating Humidity:20%～90%
Dimension: 151mm×94mm
