SDTV and HDTV
Generally, it is common practice for television list vertical resolution without
reference to the horizontal resolution when the screen indicates the capacity.Since the buyer is primarily interested in knowing whether you can view TV SDTV (Standard Definition) pictures (only), or is able to detect and SDTV and HDTV picture quality, giving only the vertical resolution is sufficient.
Digital TV is composed of (18) defined format accepted by the ATSC (Advanced Television Standards Committee).Eighteen years of age, only the modules for the consumer television viewing are of interest to this work.This includes SDTV (Standard Definition TV) and HDTV (High Definition Television).The vertical resolution for these formats determined ATSC standard.
Note: There is a classification of "alternative digital TV EDTV (Enhanced Digital Television). However, given that digital TV simply means meeting the criteria of SDTV, and have the same attributes of high-end SDTV. The valueof the label may be questionable.
A solution that has set the standard SDTV 480 (I / P) visible scan lines either (i) or interlaced (p) progressive scan.
Standard HDTV resolutions is (was) one (1) three (3) above resolutions:
720p, 1080i and 1080p.Again, the numbers refer to the visible scanning lines and interlaced or progressive, as applicable.
Digital TV is able to display "TV signals to HDTV resolutions 720p 1080i or 1080p is" HDTV-capable. "Digital TV that is HDTV capable I there are" internal HDTV receiver is called "Integrated HDTV. The digital TV capable of displaying HDTV resolutions, but requires "HDTV decoder is usually called HDTV-capable Monitor'.
Note: Once again, consumers are advised to attend
Too often, creative marketing and advertising practices relating to the resolution of your TV in ways that can be misleading.Television like, ""ready to receive "," can process "or" allows you to manage all digital HDTV resolutions "Does not provide the buyer was" useful information. What is important is what will be displayed resolution television?
Different Views of SDTV and HDTV-Resolution
Digital TV SDTV:
480i 704480 interlaced
480p 704480 progressive
Digital-HDTV:
720p 1280720 progressive
1080i 19201080 interlaced
1080p 19201080 progressive
More Accurate Listing the resolution and frame rate:
480i The picture is 704480 (60/2 interlaced frames per second)
= 30 complete frames per second.
480p The picture is 704480 60 complete frames per second.
720p The picture is 1280720 60 complete frames per second.
1080i The picture is 19201080 (60/2 interlaced frames per second)
= 30 complete frames per second.
1080p The picture is 19201080 60 complete frames per second.
Comparison of Digital TV and HDTV
Vertical Resolution
(Scan Lines, Rows' from Top to Bottom)
Horizontal Resolution
(Vertical Lines, Columns' or pixels' from Left to Right)
Aspect Ratio
(The Display's Width to Height Ratio)
Display Rate
(frames per Second)
p = progressive scan
i = interlace
ATSC
Digital TV
Format
1080
1920
16:9
(30)i, (30)p, (24)p
HDTV
720
1280
16:9
(60)p, (30)p, (24)p
HDTV
480
704
16:9 or 4:3
(60)p, (30)i, (30)p, (24)p
SDTV
480
640
4:3
(60)p, (30)i, (30)p, (24)p
SDTV
Note: Although "non-CRT" television sets use different technologies in creating the screen images, and there are other factors involved with how they display the picture, in the end, HDTV-Resolutions are still (720p) and (1080i) or higher.
Why is it important and so often confused, it bears repeating: The resolution refers to the vertical line (line) that will be implemented (scan) across the screen from left to right, are numbered from top to bottom, or vertically so the name, vertical resolution.
Similarly, the resolution refers to the horizontal lines (columns) that goes from top to bottom, which is expected across the width of the screen, or horizontally and is called the horizontal resolution.
Some additional notes of interest:
Among the many issues that fuel the relentless MIS / DIS-information that surrounds the Digital-HDTV is a misconception that prevails "Digital TV" and "HDTV" are synonymous.Chronic abuse of these two separate classifications even some of the consumer-electronics-industry', and many people obviously are not informed-and-retail-media journalists, just adds to the treacherous confusion that has so confused consumers.
FCC mandate for TV shows transition from analog to digital TV NTSC ATSC.Even if broadcasters were encouraged to broadcast digital HDTV signal is required not to use the TV spectrum to broadcast digital high definition signals.
So, while digital TV is a reality, the future of High Definition Television
HDTV remains uncertain, there are no guarantees.
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SDTV and HDTV
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