What Does Uncompressed All-Digital Video Transmission Mean, and What Benefits Does It Offer for Surveillance Images?
The process of uncompressed all-digital video technology is as follows: the transmitting end performs A/D sampling on the video signal, transmits it directly in digital form over optical fiber without
The process of uncompressed all-digital video technology is as follows: the transmitting end performs A/D sampling on the video signal, transmits it directly in digital form over optical fiber without compression encoding, and the receiving end completes D/A restoration to output the video. With this approach, the video channel features an 8-bit sampling resolution and a bandwidth of 0Hz to 6.5MHz, fully supporting PAL, NTSC, and SECAM standard signals, with the image free from compression encoding losses. The video signal-to-noise ratio is ≥70dB (weighted), luminance nonlinearity is <3%, differential gain (DG) is <0.7%, and differential phase (DP) is <0.7°. The equipment supports lossless video regeneration and relay, is free from electromagnetic interference (EMI) and radio frequency interference (RFI), and is suitable for security surveillance projects with high requirements for image integrity.