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Thread: VA6 Model 1 Sega Genesis with S-Video and Stereo Sound Modifications

  1. #16
    Nameless One Shotgun_Surgeon's Avatar
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    Excuse my ignorance, but is S-video better then just doing a composite mod?

  2. #17
    Nameless One
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    RGB > component > s-video > composite > RF switch. for more info on this topic try "google"

  3. #18
    WCPO Agent chinitosoccer's Avatar
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    RGB=YUV (both are component and both give the same quality)> s-video (also component but lowest quality) > composite > RF switch.

  4. #19
    ToeJam is a wiener Hero of Algol Guntz's Avatar
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    Actually no, RGB is not the same as YUV. RGB is pure video, whereas YUV still has NTSC limitations and setbacks. S-video lacks the color fidelity of component, but the sharpness is the same. Composite is blurrier and can have fringing or saturated colors. RF is like composite but most TV demodulators suck and the video quality can have interference and snow.

    So as zenblaster said:

    RGB > YUV (component) > S-Video > composite > RF

    That said, it is possible to get really good RF from expensive TV station-grade demodulating equipment. RGB is limited in North America by the fact few TVs support it, people usually use PVM / BVM TVs to display RGB, but they're often so small, the quality is negligible.

    S-Video and component are good enough for the average person. Though I guess lots of people still use composite.

  5. #20
    The medium-sized mang. Raging in the Streets Lastcallhall's Avatar
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    Quote Originally Posted by Guntz View Post
    Actually no, RGB is not the same as YUV. RGB is pure video, whereas YUV still has NTSC limitations and setbacks. S-video lacks the color fidelity of component, but the sharpness is the same. Composite is blurrier and can have fringing or saturated colors. RF is like composite but most TV demodulators suck and the video quality can have interference and snow.

    So as zenblaster said:

    RGB > YUV (component) > S-Video > composite > RF

    That said, it is possible to get really good RF from expensive TV station-grade demodulating equipment. RGB is limited in North America by the fact few TVs support it, people usually use PVM / BVM TVs to display RGB, but they're often so small, the quality is negligible.

    S-Video and component are good enough for the average person. Though I guess lots of people still use composite.

    Thank you! I'm tired of having to clear this up.

  6. #21
    WCPO Agent chinitosoccer's Avatar
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    Quote Originally Posted by Guntz View Post
    Actually no, RGB is not the same as YUV. RGB is pure video, whereas YUV still has NTSC limitations and setbacks. S-video lacks the color fidelity of component, but the sharpness is the same. Composite is blurrier and can have fringing or saturated colors. RF is like composite but most TV demodulators suck and the video quality can have interference and snow.

    So as zenblaster said:

    RGB > YUV (component) > S-Video > composite > RF

    That said, it is possible to get really good RF from expensive TV station-grade demodulating equipment. RGB is limited in North America by the fact few TVs support it, people usually use PVM / BVM TVs to display RGB, but they're often so small, the quality is negligible.

    S-Video and component are good enough for the average person. Though I guess lots of people still use composite.
    Actually no, RGB is the same as YUV quality wise, YUV sends red and blue chroma signals + luma on the green conector, so the TV "knows" that all that is not red or blue it must be green, RGB sends all the colors to the TV, just 2 different ways to do the same but YUV it's a clever way to save bandwith on digital signals, as for the "NTSC limitations" I don't know what you are talking about.

    S-video is not as sharp as component, on S-video all color information (chroma) is mixed in one single channel while on YUV component the color space travels for 2 individual channels and that improves sharpness and color fidelity, it looks a lot better specially on TFT screens, there's no contest really.

  7. #22
    Formerly segafan1989 Master of Shinobi 4Runner's Avatar
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    You thread jacking bastards!

  8. #23
    The medium-sized mang. Raging in the Streets Lastcallhall's Avatar
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    Except that RGB is raw pure data, YPbPr is derived from an algorithm, which presents a minute but still objectionable loss in quality.

  9. #24
    WCPO Agent chinitosoccer's Avatar
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    Yes, PS3, Xbox One, PS4 have worst video quality than the Master System, because neither of those consoles output RGB, only component video.

    Component uses an algorithm yes, but for saving bandwidth, there's no loss in quality.

  10. #25
    Nameless One
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    Ps3 does rgb just fine

  11. #26
    WCPO Agent chinitosoccer's Avatar
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    PS3 converts component to RGB internally, and HDMI is digital YpBpR, component + audio.

  12. #27
    The medium-sized mang. Raging in the Streets Lastcallhall's Avatar
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    Quote Originally Posted by chinitosoccer View Post
    Yes, PS3, Xbox One, PS4 have worst video quality than the Master System, because neither of those consoles output RGB, only component video.

    Component uses an algorithm yes, but for saving bandwidth, there's no loss in quality.
    That's an inaccurate statement. Component (and RGB, for that matter) both have the capability to push HD signals through their bandwidth. The point is, is that the SOURCE of the video, i.e. component vs rgb is what is different. RGB is a pure, unaltered signal generated from any console with the intention of producing the colors that are sent through its dedicated video processor to a television where those signals are displayed on screen. With component, only the blue, red, and sync are sent, which leaves the TV to decipher the green. This signal varies from manufacturer to manufacturer, and even from set to set in some cases. this is because the TV is guessing what the proper signal is to be displayed based on missing data. If you're missing data, you're missing fidelity, hence RGB > YPbPr.

  13. #28
    Raging in the Streets KnightWarrior's Avatar
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    I made a post ... So no more thread jacking

    http://www.sega-16.com/forum/showthr...mponent-vs-RGB

  14. #29
    Formerly segafan1989 Master of Shinobi 4Runner's Avatar
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    Too late...

  15. #30
    Formerly segafan1989 Master of Shinobi 4Runner's Avatar
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    Sold! Please close.

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