... at 1920X1080 resolution. 4. Motion detection Specifications: Video/Audio input:Video input 16-ch, BNC(1.0Vp-p ... , 75Ω), PAL/NTSC adaptiveAudio compression OggVorbis Audio input 16-ch, BNC(2.0Vp-p, 1kΩ) ... ch, BNC(2.0Vp-p, 1kΩ) Video/Audio output:Preview resolution PAL:704×576 NTSC:704× ... bit rate 32Kbps~2048Kbps, or user-defined (Max. 6144Kbps)Audio output 2-ch, BNC(linear electrical level, 600 ...