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In 1981, United Video Satellite Group launched the first EPG service in North America, a cable channel known simply as The Electronic Program Guide.It allowed cable systems in the United States and Canada to provide on-screen listings to their subscribers 24 hours a day (displaying programming information up to 90 minutes in advance) on a dedicated cable channel.
The class A television service is a system for regulating some low-power television stations in the United States.Class A stations are denoted by the broadcast callsign suffix "-CA" (analog) or "-CD" (digital), although very many analog -CA stations have a digital companion channel that was assigned the -LD suffix used by regular (non-class-A) digital LPTV stations.
Gated – "the entity subjected to gatekeeping" Gatekeeping mechanism – "a tool, technology, or methodology used to carry out the process of gatekeeping" Network gatekeeper – "an entity (people, organizations, or governments) that has the discretion to exercise gatekeeping through a gatekeeping mechanism in networks and can choose the ...
Under this revised system, television programming would continue to fall into one of the six ratings categories (TV-Y, TV-Y7, TV-G, TV-PG, TV-14 or TV-MA), but content descriptors would be added to the ratings where appropriate, based on the type(s) of objectionable content included in the individual program or episode: D (suggestive dialogue ...
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Sequential clock gating is the process of extracting/propagating the enable conditions to the upstream/downstream sequential elements, so that additional registers can be clock gated. Chips intended to run on batteries or with very low power such as those used in mobile phones, wearable devices, and embedded systems would implement several ...
(Actually, regardless of this, if the DVD player is in interlaced rather than progressive mode, closed captioning will be displayed on the TV over component video input if the TV captioning is turned on and set to CC1.) When viewed on a personal computer, caption data can be viewed by software that can read and decode the caption data packets ...
There are three ways to reduce the bandwidth of a video signal: reduce the scan rate, reduce the image size, and/or (with digital television) use heavier compression.When the scan rate is reduced, this is referred to as slow-scan TV or, in the most extreme cases when the scan rate is too slow to simulate motion, freeze frame television.