YPbPr

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The correct title of this article is YPBPR. It appears incorrectly here because of technical restrictions.
YPBPR is the analog video signal carried by component video cable in consumer electronics. The green cable carries Y, the blue cable carries PB and the red cable carries PR.

YPBPR1 is a color space used in video electronics, in particular in reference to component video cables. YPBPR is the analog version of the YCBCR color space; the two are numerically equivalent, but YPBPR is designed for use in analog systems whereas YCBCR is intended for digital video.

Being that people often get tongue-tied trying to say YPBPR quickly they are also commonly referred to as Yipper cables.2 YPBPR is commonly called "component video", but this is a misnomer, as there are many other types of component video (RGBHV, RGBs, RGsB, Y/C, etc.).

YPBPR is converted from the RGB video signal, which is split into three components, Y, PB, and PR.3

  • Y carries luma (brightness) information.
  • PB carries the difference between blue and luma (B − Y).
  • PR carries the difference between red and luma (R − Y).

A green signal is not sent as it can be deduced using the blue, red and luma information. This is done to avoid sending redundant information.

See the YCBCR page for the defining equations. The red blue and green cables are not physically different from Composite video cables (except for the color) and can be used interchangeably as long as you don't switch colors from beginning to end.

Some video cards come with Video In Video Out (VIVO) ports for connecting to component video devices.

This format is video only: Audio (sound) will require additional sound cables. For stereo expect a pair of RCA connector two wire cables.


  1. ^ Often written YPbPr and also referred to as Y/PB/PR, YPRPB, PRPBY, PBPRY, Y/Pb/Pr, YPrPb, PrPbY, PbPrY, Y/R-Y/B-Y, Y(R-Y)(B-Y), Y, R-Y, B-Y.
  2. ^ High-Def Terminology at Amazon.com
  3. ^ Even Powell (2001-02-26). "So what is "Component Video" anyway?". ProjectorCentral. Retrieved on 2006-10-31.
v • d • e
Analog video standards
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  • This page was last modified on 1 November 2008, at 20:23.

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