Yawnny

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  • in reply to: TV Pixel Format/RGB Format when feeding the OSSC #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?

      in reply to: TV Pixel Format/RGB Format when feeding the OSSC #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.

        in reply to: How Many Cables? #22430
        Yawnny
        Participant

          You could get an Extron Crosspoint and run all your RGB capable consoles to it, then run the OUT of the Extron Crosspoint in to the OSSC via a BNC to SCART cable.

          Extron Crosspoints are big matrix switchers. Matrix meaning that you can have multiple in to multiple out.. It can be thought of simply as a switchbox that can run to your OSSC.

          The little hurdle here is surfing eBay to get an Extrton Crosspoint, but they do seem quite available as of the time of this writing.

          If you’re still unsure of cables, what is RGB capable, etc.. I highly recommend watching the RGB Masterclass Playslist on the My Life In Gaming YouTube channel.

          Edit:
          If you live in Canada, Leon Kiriliuk is a great modder who will RGB mod your N64. He did mine and couldn’t be happier with the work. He even added a JTAG connector on the RGBN64 Board so I can update the firmware whenever its needed!

          Yawnny
          Participant

            My H.backporch value is 149 and now the image is exactly centered as per my measuring tape from edge of screen to start of picture.

            H.active at 1600 makes the image look more correct horizontally.

            I set my H.samplerate to 1950 as per the sticky thread but I’m not sure what I’m watching for when changing this value.

            Would someone mind letting me know what to keep an eye on when adjusting H.samplerate?

            Overall my picture looks great and seems correctly proportioned and positioned. I Had my Extron output to my PVM at the same time as my OSSC and everything seems to be lining up in comparison, I just want to make sure I’m not missing something.

            Yawnny
            Participant

              ^Go to sampling opt -> scroll up one to <adv. timing>. You will find them in advance timing.

              Perfect, thank you!

              320 x 5 = 1600
              240 x 5 = 1200

              So yes, 1600×1200 is ideal for line 5x mode, but of course it depends if your TV supports it and how well it scales it. You can see why some of the image has to be cropped in 1080p Line 5x mode.

              Exactly the kind of confirmation I was looking for, much appreciated! I’m so happy that the LG B6 displays every mode, every resolution, so I can choose the best look.

              Appreciate all the help.
              Happy Saturday.

              Yawnny
              Participant

                Hello again,

                Further tinkering now that I’m off work and have a beer in me 🙂 Thank goodness for the weekend!

                Update on 3. The screen jittering issue: Leon (my modder) and I were discussing this afternoon and he let me know that the little jitters I was detecting was due to Borti’s De-Blur firmware acting up. Sure enough, if I turn off de-blur, the image looks jitter free! Again, the jitter really isn’t that bad. Just noticeable on some 2D elements, but rarely, if ever, during gameplay.

                I’m going to order up a USB Blaster to flash the borti firmware, see if that helps. Another problem that wasn’t the OSSC, yay!

                One of my remaining questions is in regards to one of the Sticky threads about 4X/5X tweaking.
                The sticky thread mentions the following:

                Lx5 mode (Generic 4:3)
                Note, This may require a 1200 line capable panel.
                Note 2, this might only work if Lx5 already works with your 263 line console, but not your 262 line console.

                1. Decrease H.Samplerate to 1950
                2. Increase H.Active to 1600 (4:3 for 1200 lines) OR decrease H.Active to 1440 (4:3 for 1080 lines).
                3. Adjust H.Sync & H.Backporch as needed.

                I can’t seem to find these options in any of the sub-menus of the OSSC. Are these located in some kind of service menu? If I can see a good clean picture, should I even bother with these settings?

                Yawnny
                Participant

                  I went home at lunch and did some more tweaking. I fixed a couple of my issues.

                  1. The aspect ratio issue: I thought my LG B6 had “Original” in the Aspect Ratio option, but turns out it did NOT.. it was set to 16:9

                  Now that I have the aspect ratio set to “Orignal” all line multiple modes appear correct

                  2. The screen tearing issue: When in 5X only the 1920×1080 tears. 1600×1200 does NOT tear.

                  My question: Is 1600×1200 the more appropriate 5x mode for 240P? 1920×1080 seems to be cutoff for the 240P games on the N64 anyway, 1600×200 leaves some small black bars on the top and bottom of the screen, but nothing major. I presume this is normal?

                  3. The screen jittering issue: It turns out it may be my RGB mod that is causing a bit of shaking. I hooked up the N64 to my Extron which output to my OSSC AND my PVM.. If I look close at my PVM there is a bit of shaking but I just didn’t notice it before!!

                  My mod was done by Leon Kiriliuk, who seems to have a great reputation and I loved dealing with him.

                  My question: What could be a solution to this? Some mentioned an RGB amp might solve the “shaky” picture (most noticeable on 2D elements such as the Pilotwings 64 mission select screen or the HUD items on Mario 64 such as star count and life count).

                  Another question
                  Does the OSSC remember your settings if you Save a profile? So far I only have one profile (Profile 0) saved with 5X, as that’s all I’ll be using, but it seems that sometimes I’ll turn off the OSSC and when I turn it back on it’s set to 2x.

                  I appreciate all the help!

                  P.S Fnnrqin. I’d still love to see your settings!

                  Yawnny
                  Participant

                    I really appreciate that. Looking forward to how you have it set up!

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