... -time audio compression• Up to real-time 4CIF recording• PCI 2.2 standard• Support Windows 2000/XP/2003/Vista and Linux operating ... )Audio Compression:OggVorbis, 16KbpsAudio Input:4-chAudio Input Interface:BNC(2.0Vp-p, 1K Ohm)Video & Audio OutputVGA Preview Resolution:4CIF ... GeForce 8400GS, 8500GT, 8600GT, 9400, 9500, 9600, 9800 Professional Hikvision DS-4000HCI DVR Card