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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 05, 2020 2:16 pm 


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Location: Ireland
Quote:
I have this board in my original launch Wii, but unfortunately I'm not aware of any source for a preassembled ready-to-install version.


I should probably look into making a batch of those, most people just want HDMI out and don't even need the analogue so, yeah.

I'll see if I can contact the designer.
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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 05, 2020 2:40 pm 


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GeneraLight wrote:
Hopefully not. It's pretty easy to update the WiiDual's firmware now.


My assumption is that the RGB functionality might be left off to reduce complexity and cost. They will sell more of them if they are easier to install and cheaper.


Quote:
As for the scaling, you can take the lossless digital 480p picture and scale it to whatever you want with a dedicated scaler already.


Well, yeah, I was just hunting for a new "feature" and scaling options is the only thing I could imagine.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 05, 2020 7:20 pm 



Joined: 14 Aug 2017
Posts: 1035
I remember the idea with the WiiDigital was that it could fully replace the WiiDual's analogue output also since the digital output could be set to the original unscaled video, which then can be converted to analogue RGB with an HDMI to VGA dongle.

Which makes me wish the PS1/2Digital and DCHDMI could do the same, so people can use them on 15khz or multisync CRTs but with clean RGB + digital audio (extracting the digital audio from the HDMI output before the DAC).


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 05, 2020 11:19 pm 



Joined: 14 Oct 2016
Posts: 30
Can’t you just transcode the 480p (or 480i) over HDMI to component with an external converter?


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 06, 2020 3:26 pm 



Joined: 19 Jul 2017
Posts: 1823
bahamutfan64 wrote:
Can’t you just transcode the 480p (or 480i) over HDMI to component with an external converter?

Yes; 240p as well.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 12, 2020 7:55 pm 


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Joined: 02 Oct 2010
Posts: 3198
Location: Ireland
Quote:
I remember the idea with the WiiDigital was that it could fully replace the WiiDual's analogue output also since the digital output could be set to the original unscaled video, which then can be converted to analogue RGB with an HDMI to VGA dongle.


Of course you can do this, just the Wii Dual has that bit more flexibility of dual output and doesn't require a converter. Finding a good HDMI to VGA converter isn't always easy especially as they don't seem to be consistent, at least at the budget end of the market.

Quote:
Which makes me wish the PS1/2Digital and DCHDMI could do the same, so people can use them on 15khz or multisync CRTs but with clean RGB + digital audio (extracting the digital audio from the HDMI output before the DAC).


This is how I usually use my DCHDMI and it works fine, even with light guns. I believe some HDMI to VGA converters won't pass through interlace and/or 240p though.
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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 13, 2020 1:54 am 



Joined: 14 Aug 2017
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BuckoA51 wrote:
This is how I usually use my DCHDMI and it works fine, even with light guns. I believe some HDMI to VGA converters won't pass through interlace and/or 240p though.


Really? I thought the DCHDMI could only do 480p and above. Was that added in a recent firmware? If so, that's great news, and hopefully gets implemented in the other Digital products as well.

And yeah, cheap HDMI-VGA dongles have become hit or miss. At least experimenting with a bunch doesn't cost too much, or one can always go with something reliable but more expensive like an HDFury.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 13, 2020 4:28 pm 



Joined: 19 Jul 2017
Posts: 1823
fernan1234 wrote:
BuckoA51 wrote:
This is how I usually use my DCHDMI and it works fine, even with light guns. I believe some HDMI to VGA converters won't pass through interlace and/or 240p though.


Really? I thought the DCHDMI could only do 480p and above. Was that added in a recent firmware? If so, that's great news, and hopefully gets implemented in the other Digital products as well.

And yeah, cheap HDMI-VGA dongles have become hit or miss. At least experimenting with a bunch doesn't cost too much, or one can always go with something reliable but more expensive like an HDFury.

I believe what BuckoA51 was saying is that he uses an HDMI to VGA converter for 480p light gun usage. You are correct that the DCHDMI doesn't output 15kHz; the smallest option for output resolution is 640x480.

If you want to use your Dreamcast on a 15kHz-only CRT, your best bet is to use the native analogue output (composite, S-Video, RGB, or RGB into something like an RGB2COMP).


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 13, 2020 5:29 pm 



Joined: 14 Aug 2017
Posts: 1035
nmalinoski wrote:
I believe what BuckoA51 was saying is that he uses an HDMI to VGA converter for 480p light gun usage. You are correct that the DCHDMI doesn't output 15kHz; the smallest option for output resolution is 640x480.

If you want to use your Dreamcast on a 15kHz-only CRT, your best bet is to use the native analogue output (composite, S-Video, RGB, or RGB into something like an RGB2COMP).


Oh I see. Yes I get RGBHV @ 15khz from the Dreamcast's analogue output (and combine it into RGBS with an Extron unit for my monitor), but it would be nice to get that plus clean digital audio at the same time.

In fact that's already possible with the WiiDual, which can output 15khz compatible signals from the HDMI output. If all the other digital mods for the other consoles could do this it would be great, and would replace the need for any "Dual" mods at all, since even for streaming and capture one only needs to use an HDMI splitter, with one output going into a competent DAC/sync combiner and the other going into the capture device.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 13, 2020 6:27 pm 


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fernan1234 wrote:
Yes I get RGBHV @ 15khz from the Dreamcast's analogue output (and combine it into RGBS with an Extron unit for my monitor), but it would be nice to get that plus clean digital audio at the same time.

Couldn't you use an SPDIF mod for the Dreamcast and the standard analog video output to achieve that goal?
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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sun Sep 13, 2020 7:38 pm 



Joined: 14 Aug 2017
Posts: 1035
Unseen wrote:
Couldn't you use an SPDIF mod for the Dreamcast and the standard analog video output to achieve that goal?


Yes, but in my own setup that wouldn't be ideal because I prefer to get all digital video/audio sources via HDMI into an HDMI matrix and extract a single SPDIF out from there into my amplifier, rather than having to manually switch SPDIF connections or add an SPDIF switch.

But more importantly I think adding 15khz support to the digital products like the DCHDMI, PS1Digital, and upcoming WiiDigital would make them allrounders, usable for all cases with a single device/mod: digital displays, SD CRTs, digital audio, and streaming/capture.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Mon Sep 14, 2020 3:17 pm 



Joined: 19 Jul 2017
Posts: 1823
fernan1234 wrote:
Unseen wrote:
Couldn't you use an SPDIF mod for the Dreamcast and the standard analog video output to achieve that goal?


Yes, but in my own setup that wouldn't be ideal because I prefer to get all digital video/audio sources via HDMI into an HDMI matrix and extract a single SPDIF out from there into my amplifier, rather than having to manually switch SPDIF connections or add an SPDIF switch.

But more importantly I think adding 15khz support to the digital products like the DCHDMI, PS1Digital, and upcoming WiiDigital would make them allrounders, usable for all cases with a single device/mod: digital displays, SD CRTs, digital audio, and streaming/capture.

The DCDigital doesn't preclude use of the analogue video output. You could do what you do now for video (analogue RGB), then send HDMI output to your receiver for audio.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Mon Sep 14, 2020 3:27 pm 



Joined: 14 Aug 2017
Posts: 1035
nmalinoski wrote:
The DCDigital doesn't preclude use of the analogue video output. You could do what you do now for video (analogue RGB), then send HDMI output to your receiver for audio.


True, I'm just thinking toward the future and how nice it would be as more digital-to-digital projects arise for various systems, it would be great to get rid of console-specific RGB cables and analogue switches, and instead use HDMI cables for all of them, only needing a single analogue cable or adapter at the end of the chain.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Fri Sep 18, 2020 8:48 pm 



Joined: 09 Nov 2018
Posts: 2
Hello,

I recently changed my WiiDual install to send CSYNC to Data Pin 15. It was previously sent to Composite Video, and the three SMD components on the composite video line were removed per Dan's instructions (highlighted blue in this image: https://i.imgur.com/o9hXA7A.png).

I'd like to re-enable composite video by replacing the components, so was wondering if anyone knew what each one was.

Thanks!


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 19, 2020 8:30 am 


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Joined: 09 Aug 2017
Posts: 1432
Location: Australia
You could buy a broken wii for less than the price you would pay for those bits new and the headache of finding the values. Salvage them. Super tiny and hard to do.


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 Post subject: Re: WiiDual / GCVideo discussion
PostPosted: Sat Sep 19, 2020 2:45 pm 


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Joined: 31 Oct 2016
Posts: 819
Location: bmore
Syntax wrote:
You could buy a broken wii for less than the price you would pay for those bits new and the headache of finding the values. Salvage them. Super tiny and hard to do.


Which bits are you talking about? Isn't that just two ceramic caps and a fixed inductor? Like $1 plus $4 shipping on mouser, no?
Also, you could probably get larger components and tack them to the pads to make install easier than the tiny-ass parts on a donor wii (and you also have to desolder them without the parts getting lost in a blob)


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