Security cameras operate as computers, performing other tasks, e.g. sending images to web site via FTP, email notification, being accessible simultaneously by multiple users.canonglossaryus
Audio within an SDI or HD-SDI data stream. The ANSI/SMPTE 272M-1994 standard permits up to four groups each of four mono audio channels to be embedded.
Information inside image file telling device how to display its colors, e.g. using color space defined in ICC profile.