Tuesday, March 18, 2014

What is s-video and YPbPr?




ReivaJ


I got a new tv, and i don't know anything about the s-video cables and YPbPr cables. What are they used for, what components can they be used with and what are the advantages and disadvantages?
Thank you.



Answer
These are types of video inputs.
http://farm4.staticflickr.com/3084/2670529934_6ac92f7b19.jpg

S-video cables keep the color and brightness (black/white) signals separate from each other, so they allow for a sharper picture than regular composite video (the yellow jack). Connects with one cable, but you still must run two RCA cables for the audio. Can only be used for standard-definition video. Not as common as it used to be; seen on most DVD players, some video game consoles, some camcorders, and many laptops.

YPbPr is component video, which further separates the color into two different signals. Uses three RCA cables to connect for video; you still must connect two extra RCA cables for the audio. For standard-definition video, the picture is slightly better than with S-video (sometimes not even noticeable), but if you are connecting a high-definition video source (such as a HD cable box) to a HDTV with these inputs, you can use this connection for HD video (1080i or 720p but not 1080p). Seen on most DVD players, HD cable boxes and satellite receivers, most recent video game consoles, HD camcorders, DVRs, and some Blu-Ray players (NOTE: cannot be used for HD video on Blu-Ray players if the player was made January 2011 or later, or if the movie was released January 2011 or later; the picture will be downscaled to 480p/DVD resolution.).

Can I get digital input (1080i) with a component cable?




Fred B


I have a Mitsubishi that was made before HDMI.


Answer
YES!
This is from an article I read.

For now, cableTV boxes and even Blu-ray players will also allow analogue output at up to 1080i resolution. The problem with this solution is that it is short-term and does not take into account the fact that users of Blu-ray players may find their analogue video outputs limited to 480p at some point down the road.


HDMI is not inherently better than component video (YPbPr), however many of the new video formats are only allowing the highest resolution to be output via HDMI since it contains DRM (digital rights management - copy protection) unavailable on analogue component outputs.


Most Blu-ray players, including the PS3 include the ability to output up to at least 1080i via component video. When done correctly, this should look almost identical to 1080p output via HDMI.

The simple solution is to go with component video until such a time that your entire video "food chain" is upgraded to HDMI. You'll likely be satisfied with the results and won't be forced into an upgrade until you are ready




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