Difference between revisions of "Video Signals"
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==HDMI== | ==HDMI== | ||
− | ==Component== | + | ==Component (YPbPr)== |
+ | [[File:Component-cables.jpg|thumb|150px|Component cables]] | ||
==S-video== | ==S-video== | ||
− | [[File:S-video-connector-female.jpg|thumb|S-video female connector]] | + | [[File:S-video-connector-female.jpg|thumb|150px|S-video female connector]] |
S-video splits the video signal into two pieces: chroma (color) and luma (brightness). Chroma and luma are sometimes abbreviated by the letters C and Y, respectively. | S-video splits the video signal into two pieces: chroma (color) and luma (brightness). Chroma and luma are sometimes abbreviated by the letters C and Y, respectively. | ||
{| class="wikitable" style="width: 300px;" | {| class="wikitable" style="width: 300px;" | ||
Line 22: | Line 23: | ||
==Composite== | ==Composite== | ||
− | [[File:Composite-video-cable.jpg|thumb|Yellow RCA cable]] | + | [[File:Composite-video-cable.jpg|thumb|150px|Yellow RCA cable]] |
Composite video combines the chroma and luma signals of s-video into a single signal. It is transmitted using an RCA cable, usually with a yellow connector, and is often grouped with red and white audio RCA cables. The inner pin carries the video signal, and the outer ring is ground. | Composite video combines the chroma and luma signals of s-video into a single signal. It is transmitted using an RCA cable, usually with a yellow connector, and is often grouped with red and white audio RCA cables. The inner pin carries the video signal, and the outer ring is ground. | ||
==RF== | ==RF== | ||
+ | |||
+ | ==Quality comparison== | ||
+ | <gallery> | ||
+ | Video-signal-quality-difference.jpg|RGB, composite, and RF | ||
+ | </gallery> |
Revision as of 03:48, 5 June 2013
RGB
HDMI
Component (YPbPr)
S-video
S-video splits the video signal into two pieces: chroma (color) and luma (brightness). Chroma and luma are sometimes abbreviated by the letters C and Y, respectively.
Pin Assignments | |
---|---|
Pin 1 | Ground (Luma) |
Pin 2 | Ground (Chroma) |
Pin 3 | Luma |
Pin 4 | Chroma |
Composite
Composite video combines the chroma and luma signals of s-video into a single signal. It is transmitted using an RCA cable, usually with a yellow connector, and is often grouped with red and white audio RCA cables. The inner pin carries the video signal, and the outer ring is ground.