About High-Definition; Types Of Tv Broadcasts - DirecTV HD DVR PRO Manual

About High-Definition

This section describes HD, and how it differs from regular TV, including helpful information about high-
definition and your DIRECTV HD DVR PRO.

Types of TV Broadcasts

Analog TV is the type of TV broadcast you may be most familiar with. If you have ever received broad-
casts via a standard off-air antenna, you received analog TV; 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 DVR PRO 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 "Resolution and Interlacing" on page 81, for an explanation of display resolu-
tions.
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.
ED (enhanced definition) is digital TV that can display a higher resolution picture than SDTV. An
EDTV can display at 480i or 480p.
HD (high definition) is digital TV that can provide the highest quality picture, at resolutions 1080i,
720p, 480p, or 480i.
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You can fi nd additional
information and the latest
updates at directv.com