DIRECTV H20 User Guide - Page 12

About High-Definition

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About High-Definition What is HD, and how does it differ from regular TV? To learn more, here's some helpful information about high-definition and your DIRECTV HD Receiver. Types of TV Broadcasts Analog TV is the type of TV broadcast you may be most familiar with. If you get your broadcasts via a standard off-air antenna, it's the type you receive, and most broadcasts from local cable companies are analog as well. Digital TV is a newer system for broadcasting TV signals delivering higher quality audio and video. "Digital TV" refers to a television that can receive and display digital images. Following are terms you might see used regarding Digital TV broadcasts. Although your DIRECTV HD Receiver is a "true" HD receiver, the type of TV or monitor you plug it into (SD, ED, or HD) can affect the resolution of the TV picture you see. See "Resolutions and Interlacing" on page 6, for an explanation of display resolutions. 4 SD (standard definition) is digital TV that offers a picture quality that is better than older analog televisions. SDTV displays images at a resolution of 480i. 4 ED (enhanced definition) is digital TV that can display a higher resolution picture than SDTV. An EDTV can display at 480i or 480p. 4 HD (high definition) is digital TV that can provide the highest quality picture, at resolutions 4 1080i, 720p, 480p, or 480i. To get the best-quality TV picture, you need an HD TV to go with your DIRECTV HD Receiver.

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4
About High-Definition
What is HD, and how does it differ from regular TV? To learn more, here’s some helpful information
about high-definition and your DIRECTV HD Receiver.
Types of TV Broadcasts
Analog TV
is the type of TV broadcast you may be most familiar with. If you get your broadcasts via
a standard off-air antenna, it’s the type you receive, and most broadcasts from local cable companies
are analog as well.
Digital TV
is a newer system for broadcasting TV signals delivering higher quality audio and video.
“Digital TV” refers to a television that can receive and
display digital images. Following are terms you
might see used regarding Digital TV broadcasts. Although your DIRECTV HD Receiver is a “true”
HD receiver, the type of TV or monitor you plug it into (SD, ED, or HD) can affect the resolution
of the TV picture you see. See “Resolutions and
Interlacing” on page 6, for an explanation of
display
resolutions.
4
SD
(standard definition) is digital TV that offers a picture quality that is better than older analog
televisions.
SDTV
displays images at a resolution of 480i.
4
ED
(enhanced definition) is digital TV that can
display a higher resolution picture than
SDTV. An
EDTV can
display at 480i or 480p.
4
HD
(high definition) is digital TV that can provide the highest quality picture, at resolutions
1080i, 720p, 480p, or 480i.
To get the
best-quality
TV picture, you
need an HD TV
to go with your
DIRECTV HD
Receiver.