Digital Video Overview
Abstract
This chapter explains the difference between NTSC and PAL closed-circuit television (CCTV) technology and digital video surveillance, including how the traditional analog waveforms are encoded for digital transmissions over an IP network. The various digital resolutions for display and recording are explained, and the required architecture to support high definition for surveillance is discussed.
Keywords
NTSC; PAL; megapixel; encoding; decoding; interlacing; progressive scan; pixels; MPEG-4; H.264; MJPEG; macroblocks; bandwidth; storageGet Digital Video Surveillance and Security, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.