05 May 2023, 19:36 | #1 |
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Scart to HDMI
Hi,
I know this has been covered a lot but I cannot find a definitive answer. I have just bought a Scart to HDMI Converter and this works fine using the C64 to Scart cable. I have a similar RGB Cable (Scart RGB) to Amiga, but the monitor with HDMI does not show the screen. Works fine with C64. Is there a particular mode or monitor refresh I SHOULD be using to get it to work with HDMI please. Thanks. |
05 May 2023, 19:37 | #2 |
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To add, this was the Scart to HDMI Converter I bought from Amazon...
https://www.amazon.co.uk/dp/B078PCGR...roduct_details I cannot get hold of the RestoScalerX2 ANYWHERE!!!! (all out of stock) |
05 May 2023, 21:20 | #3 |
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Comments on the product page imply other people have gotten it working on Amiga. Perhaps that one does not double the scan rate and they are using a monitor that supports 15kHz and yours does not?
There are a few options to convert SCART to HDMI assuming your monitor doesn't support the 15kHz rate and requires a scandoubler: GBS-C: For some all-in-one units, look for "ODV GBS-C" on ebay/amazon if you don't feel like modding a GBS8200 yourself. This one has a de-interlacer if you plan on using interlaced screens, so no flicker. Good monitor compatibility due to the scaler. Retrotink 2X-SCART: I haven't used this one, personally. OSSC: only bob de-interlace, so interlace screens flicker. Outputs exact frequency as Amiga outputs, so if your monitor can't sync to those rates, you'll get no image or a flashing one. Retrotink 5X Pro: Probably the most expensive external option, but looks great. Multiple de-interlacer options, some CRT emulation, very good monitor compatibility. If you are willing to open your system up, there's a few more options: Indivision: Both ECS and AGA options, depending on what model Amiga you have. The ECS versions only output VGA. Nice de-interlacer on these and they handle all the weird Amiga screen modes. RGB to HDMI: Needs a Raspberry Pi Zero which are a bit difficult to get ahold of right now. Easy to use, good de-interlacer, very good compatibility. Last edited by LordCrass; 05 May 2023 at 21:28. |
05 May 2023, 22:53 | #4 | |
PSPUAE DEV
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Quote:
That one never worked on any amiga I tried it on. Only via phono's with CD32. I also bought at same time; https://www.amazon.co.uk/LiNKFOR-Con...%2C127&sr=1-16 This one is 10GBP more, but works perfect on all amiga's I tried. Currently using it with my PS32-Lite. So I can switch between RTS and RGB. |
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06 May 2023, 14:34 | #5 |
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I know some might think it's a bit on the expensive side but ever since I bought the OSSC I have had zero issues for my Amiga's display. I get razor sharp image and could not be happier. Would buy it again and again if it broke.
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06 May 2023, 14:40 | #6 | |
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However, I have had zero issues with frequency - on the monitor or TV. The OSSC sends a clear image when using the standard PAL or NTSC screenmodes of the Amiga. DblPAL/DblNTSC, VGA or other screen modes don't work but I'm not sure why you would want to. Not a single game I have tested has failed to work with it, so I'm not sure what screen mode you would want that the OSSC cannot handle. |
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06 May 2023, 19:14 | #7 |
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If proper interlace/de-interlace is important for you, GBS-Control can do Motion-Adaptive deinterlace just like the Retrotink 5x Pro.
https://www.amazon.de/Mcbazel-ODV-GB...language=en_GB Not sure why it isn't avaiable in the UK store at the moment. |
06 May 2023, 19:42 | #8 | |
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06 May 2023, 19:51 | #9 |
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Not personally. Not sure if it's suitable for all Amiga resolutions. But motion adaptive is comfirmed working as it should. Such a device is mainly designed for consoles and a few older computers. But it doesn't cost much, worth a try i guess.
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06 May 2023, 19:58 | #10 | |
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Quote:
EDIT: Yup, ended up ordering one. Will get back with a report of my experiences with it on my Amigas. Last edited by fisken uno; 06 May 2023 at 20:13. |
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07 May 2023, 10:40 | #11 |
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I also bought at same time;
https://www.amazon.co.uk/LiNKFOR-Con...%2C127&sr=1-16 So this one actually works with A1200? |
07 May 2023, 18:20 | #12 |
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I have a GBS-C (not the unit linked, but one I modded myself from a GBS8220 unit).
It works very well. It has a de-interlacer so there is no flicker. It doesn't change output mode when input mode changes between interlace/non-interlace, so the small handful of games that do this won't cause the picture to drop-out briefly. Image quality is quite good, but I find the OSSC to be sharper and have more vibrant colours. It has optional scanline mode, and can output to several different resolutions. It didn't work with the ECS modes for me, but the unit is meant for 15kHz inputs, so that's sort of to be expected. It's low-lag (nothing that I could perceive anyway), unlike those cheap SCART-to-HDMI boxes. |
07 May 2023, 20:26 | #13 | |
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Yes, you should stay away from those!! Spent WAY too much money on several of those before I discovered the OSSC. But looking forward to the GBS-C! It sounds really promising. |
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08 May 2023, 10:07 | #14 |
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Given that it works with a C64, could the reason be that the scart to hdmi converter only works with composite input (i.e. not rgb) ? The amiga doesn't output composite on the rgb connector, and thus not in the scart connector at the other end of your cable.
If that's the case, you could wire up something that takes video from the amiga composite output and connect it to the composite pin of a scart plug. |
08 May 2023, 18:23 | #15 | |
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08 May 2023, 18:57 | #16 |
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Here is an interesting video showing the delay from one of those cheap Chinese converts
Annoying can't timestamp youtube video? anyway 12:39 [ Show youtube player ] However the OP of the video does admit in the comments his LCD is not in game mode. How can I time link a youtube video on eab? or disable the BB code? TCD how do I do this? Last edited by Retro1234; 08 May 2023 at 19:19. |
09 May 2023, 11:02 | #17 |
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Thanks for all your comments. This one:
https://www.amazon.co.uk/LiNKFOR-Con...%2C127&sr=1-16 Actually worked, all is now well for only £37 Also worked on my C64 - thinking of buying two just to not have to remove scarts or scart adapter |
17 May 2023, 14:21 | #18 |
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Note: Retro Computer Shack in the UK produce the proper Scart cables for the Amiga that does the blanking signal right according to blogs elsewhere.
https://www.retrocomputershack.com/S...iga/index.html Last edited by Snoopy1234; 17 May 2023 at 15:34. Reason: accuracy |
17 May 2023, 16:54 | #19 |
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I'd bet money that the RGB select pin 16 on the Amiga SCART cable is the wrong voltage or missing.
Alternatively the CSYNC signal pin 20 can also be the wrong voltage. If you can solder (or know someone who can) a few simple changes should fix it. Or buy a different cable. |
17 May 2023, 18:52 | #20 | |
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Quote:
I have no idea why there is no option to set input volume though. The output of my CD32 was way too hot, so I ended up connecting the headphone output (which can be controlled with the volume lever) instead of the ports on the back. But all in all, I can definitely recommend both units. If you know for sure that you will only, or mostly, use lores screen modes and are prepared to spend a little bit more - go for OSSC. But you can spend like half on a GBS-S and will get almost as good a result, as well as better interlace handling. |
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