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y pb pr, ypbpr/ycbcr
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

YPBPR cables are also commonly referred to as Yipper cables2 YPBPR is commonly called "component video" by manufacturers, but this is imprecise, as there are many other types of component video, most of which are some form of RGB

Some video cards come with video-in video-out VIVO ports for connecting to component video devices


  • 1 Technical details
  • 2 YPBPR advantages
  • 3 References
  • 4 External links

Technical detailsedit

Further information: YCBCR

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

  • Y carries luma brightness or luminance and synchronization sync information Y = 02126 R + 07152 G + 00722 B Before the advent of color television, the Y axis on an oscilloscope display of a video waveform represented the intensity of the scan line With color, Y still represents intensity but it is a composite of the component colors
  • PB carries the difference between blue and luma B − Y
  • PR carries the difference between red and luma R − Y

To send a green signal as a fourth component is redundant, as it can be derived using the blue, red and luma information

When color signals were first added to the NTSC-encoded black and white video standard, the hue was represented by a phase shift of a color reference sub-carrier P for phase information or phase shift has carried through to represent color information even in the case where there is no longer a phase shift used to represent hue Thus, the Y PB PR nomenclature derives from engineering metrics developed for the NTSC color standardcitation needed

The same cables can be used for YPBPR and composite video This means that the yellow, red, and white RCA connector cables commonly packaged with most audio/visual equipment can be used in place of the YPBPR connectors, provided the end user is careful to keep track of the device functions ie, connect any one of the individual functions to the corresponding function on the other end using any cable color

YPBPR advantagesedit

Female RCA connectors used to output YPBPR component video from a set-top-box, DVD player or similar device Female connections in this configuration are also used for YPBPR inputs on display devices such as TVs

Signals that use YPBPR offer enough separation that no color multiplexing is needed, so the quality of the extracted image is nearly identical to the signal before encoding S-Video and composite video mix the signals together by means of electronic multiplexing; however, more often than not the signal is degraded at the display end as the display is not able to separate the signals completely It is possible for their multiplexed counterparts to interfere with each other see dot crawl

Among consumer analog interfaces, only YPBPR and analog RGB component video are capable of carrying non-interlaced video and resolutions higher than 480i or 576i, up to HD ready for YPBPR


  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, YR-YB-Y, Y, R-Y, B-Ycitation needed
  2. ^ High-Def Terminology at Amazoncom

External linksedit

  • Color FAQ, Charles Poynton
  • Color formats for image and video processing - Color conversion between RGB, YUV, YCbCr and YPbPr

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