数字录像机

Main features: Embedded OS. Embedded MCU. High performance DSP hardware compression. Compression function: H. 264 video compression algorithm and each channel can be real time (PAL is 25FPS and NTSC is 30FPS). Support multi-zone motion detection. Support mask function to mask sensitive area. Support view tampering alarm function for spiteful camera block. Support video signal loss alarm function. Support position configurable OSD&LOGO. Support both variable bit rate and variable frame rate. Support dual-stream and the sub stream can support CIF/QCIF compression resolution. Storage function: Support 8 HDD and each HDD can support 2000GB. Support HDD sleep mode. Support HDD SMART function. Support FAT32 file system. Support many record mode: all time record, motion detect record, external alarm record, motion & alarm record, motion alarm record, manual record. Support cycle and non-cycle record mode. Support USB flash disk, USB hard disk and USB CD-RW for backup. Preview & Playback function: Support monitor video output and VGA. Support 2-channel synchronous playback. Support playback fast, slow, pause, forward, backward, frame by frame, etc. Use define preview layout. Network function: Support TCP, UTP, RTP, Multicast, DHCP, etc. Support ADSL (PPPoE) dialup function. Support narrow band (PSTN) dialup function. Remote parameters setup. Remote playback, download the recorded files in DVR. Remote upgrade DVR firmware. Remote control PTZ. Support Internet Explore for network preview. Remote get alarm information of DVR. Others: Support network voice talk. Support PTZ local and remote control. Support multi-lever user management. Support local and remote search log function. Automatically recovery from exceptions leads to high reliable. Provide SDK and demo source code to shorten the application development time