TV Pixel Format/RGB Format when feeding the OSSC

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  • #22427
    Yawnny
    Participant

    Hello,

    I’m still a touch confused on if I should be setting my Black Level setting on my LG B6 OLED to “High” when feeding it the OSSC.

    The Black Level setting on the LG B6 is a Pixel Format setting where, from my understanding, Low = Limited Range, and High = Full Range.

    If the OSSC is outputting RGB Full Range 4:4:4, should I be setting the TV to High? I feel like this is the correct option, however the colors do look a touch “lighter”, more washed out. They don’t look terrible once leaving the setting on the TV to “High” for a while and getting used to it.. but going back to black level “Low” on the TV gives a more vibrant look.

    I know some people say the “Low” setting could cause crushed blacks, but when running my N64 through the OSSC to my TV I don’t perceive any noticeable black crush. Just a punchier, more saturated image.

    What do you folks use for RGB format/Pixel Format (whatever your specific TV might be calling it) when feeding the OSSC?

    #22432
    paulb_nl
    Participant

    The OSSC has the Test pattern to test for this. Since firmware 0.80 it has a 32 step grayramp to notice crushing more easily.

    #22433
    Yawnny
    Participant

    paulb_nl

    Participant
    The OSSC has the Test pattern to test for this. Since firmware 0.80 it has a 32 step grayramp to notice crushing more easily.

    I notice the image that’s shown right when the OSSC turns on, is this what you’re referring to, or is there another option in the menu to bring up a test pattern? The grey test pattern when I first turn on the OSSC doesn’t look like the 32 step grey ramp patterns I”m used to seeing.

    #22434
    paulb_nl
    Participant

    Yea thats the one. If you don’t see a 32 step gray ramp on the test pattern then you are running an older firmware.

    #22435
    Yawnny
    Participant

    Okay got it. Correct me if I’m wrong, but with the grey ramp pattern, is the goal to only have the furthest edge of the pattern be “true” black?

    #22436
    paulb_nl
    Participant

    Yes and also each of the 32 steps should be distinct. If Low is Limited Range then the 3 darkest and brightest steps will be crushed together.

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