Television buying guide

domingo, 8 de marzo de 2009
clipped from reviews.cnet.com
CNET.com
Key television features and connectivity options
Updated February 13, 2009

Inputs and outputs

Perhaps the single most confusing item on a TV spec sheet is the forest of inputs and outputs used to hook up the set to other equipment. The following trail of breadcrumbs, arranged in order of video quality, should help put you on the right connectivity path...

JackCableNameTypical useLevel of video quality
RF

aka radio frequency; antenna; cable; screw type; F-pin
Antennae, VCRs, cable and satellite boxesLowest, Highest (digital) for HDTV tuners
Composite Video

aka yellow video; video; A/V (when combined with audio jacks)
Cable and satellite boxes, VCRs, DVD players, game consolesLow
S-Video

aka DIN 4
Cable and satellite boxes, S-VHS VCRs, DVD players, game consolesMedium
Component-video

aka component; Y, Pb, Pr; Y, Cb, Cr; broadband component; 1080i; 720p; HDTV
HD cable and satellite boxes, DVD players, HDTV tuners, Blu-ray and HD DVD players, game consoles, other HD sourcesHigh
RGB

Connections can also be made through RCA or BNC-type connectors, and adapters are available between all of them
aka PC, computer, VGA; 15-pin D-sub; RGB-HV
Computers, video processorsHigh
FireWire

aka IEEE 1394; iLink
some HDTV tuners, D-VHS VCRsHighest (digital)
DVI-D with HDCP

aka DVI-D; Digital Visual Interface; High-bandwidth Digital Content Protection
Computers; older HD cable and satellite boxes, HDTV tuners and DVD playersHighest (digital
HDMI

FAQ

Antennae, VCRs, cable and satellite boxes

aka High-Definition Multimedia Interface
HD cable and satellite boxes, DVD players, HDTV tuners, Blu-ray and HD DVD players, game consoles, computers, other HD sourcesHighest (digital)
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