... .264 DVR Technical Guidelines:1..Parameters of video£ºVideo input: PAL, NTSC (BNC port, 1VP-P ... Vp-p=2.0V LINE)3. Compression arithmetic: video compression H.264 CIF (PAL 352*288 NTSC 352 ... 1.Support PAL/NTSC4. 43/NTSC3. 58 video signals2.The video compression is H.264, supports VBR as well ... H.264 is produced after compressing video and audio signals, the video and audio keep moving simultaneously and ...