The original motivation for the creation
of HDTV developed from wide-screen movies. Not long after wide-screen
was introduced, movie producers learned that people who are seated
in the first few rows enjoy a level of participation in the action
not possible with conventional movies. Having the screen take up
a great field of view - especially within the peripheral areas -
greatly increases the sense of "being there".
It started in the early 1980s, when movie producers
were offered a high-definition television system that was developed
in the late 70s. This system and those that followed are able to
produce images having fundamentally the same detail as 35 mm film.
With these systems, a scene could be recorded, played and edited
immediately, and then sent to film. As a result, many of the transitional
delays in standard film production were removed. The new medium
also offered a lot of potential for special effects not possible
in regular film production.
After the introduction of HDTV to the film industry,
attention began to build in developing an HDTV system for commercial
broadcasting. This type of system would have approximately double
the number of vertical and horizontal lines when compared to traditional
The most noteworthy setback faced with HDTV is
precisely the problem faced with color TV in 1954. There are approximately
600 million television sets in the world and approximately 70% of
them are color TVs. An important and critical reflection is if the
new HDTV standard should be compatible with the existing color TV
standards, displace the existing standards, or be concurrently broadcast
with the existing.
There is precedence for both compatibility
and synchronized broadcast. In 1957, the US chose compatibility
when creating the standard for color TV’s. Although there
were some minor carrier interfering problems due to the extra chrominance
signal - to a sizeable degree, both monochrome and color TVs could
read the same signal, even from diverse direct tv dealers.