
1 920x 1080 H DTV
47
SMPTE 274M,
1920x1080 Scan-
ning and Analog and Parallel Digital
Intecfaces/or Multiple Picture Rates.
SMPTE 295M,
1920x1080 50 Hz
Scanning and Interface.
(Despite
having "50 Hz" in its title, this
standard includes 25 Hz progres-
sive scanning.)
This chapter details a family of high-definition televi-
sion systems standardized in SMPTE 274M. The systems
have image format of 1920x1080, an aspect ratio of
16:9, and square sampling.
HDTV equipment based on 1125/60 scanning and
1920x1035 image format, with nonsquare sampling,
has been deployed for several years and is standardized
in SMPTE 240M. ...