
480i NTSC
composite video 42
Although this book is mainly concerned with
digital
video, the installed base of hundreds of millions of units
of analog video equipment cannot be ignored. Further-
more, composite 4fs c digital video- including video
recorded in the D-2 and D-3 formats- is essentially just
digitized analog video. To understand 4fs c equipment,
you must understand conventional analog NTSC video.
This chapter details the technical parameters of
composite 480i video. I discuss subcarrier, composite
chroma, composite analog NTSC, and the S-video-525
interface. I assume that you