DG4008HC-E compression board is a professional digital security product, which adopts the most advanced H.264 video compression algorithm and ADPCM/PCM audio compression technology. One Personal computer can support up to 64 channels video and audio input, parameters of each channel can be set independently and will not affect each other.

Features & Functions :
H.264 compression algorithm with high compression ratio and excellent image quality.
Realtime video and audio synchronous compression with no frame loss.
Support 4CIF realtime preview for up to 64 cameras.
Support multiple resolution recording: 4CIF, 2CIF, CIF, QCIF; and supports 4CIF recording with 12fps (PAL)/15fps (NTSC) for all channels.
Dual encoding streams supported for flexible network transmission.
Support variable bit and frame rates.
Smart video detection: Motion detection, defined motion areas, camera blanking, video loss.
Smart camera settings: Privacy masking, camera lock, color setting, and title display.
Support OSD, LOGO, and MASK Overlay.
Support Windows 2000/XP/2003 and operation system.
Complies with PCI-Express 1.0 (1X) standard.
Compatible PCI standard cards in one PC.