*  H.264 video compression in real-time (PAL: 25FPS, NTSC: 30FPS)
*  4-ch audio input and one channel output
*  2 stream types, including video & audio, and video-only
*   Multiple recording types
*   Support one composited video output and one spot video output
*  Support one VGA output and ch1-8 Loop Out interface
*  Support voice talk over network