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| GUN2CRT, the new universal CRT lightgun adapter |
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| CanadianRyGuy:
This project looks awesome and already has me looking around my city for a nice crt tv lol. Just curious what this device might cost once all said and done? |
| Howard_Casto:
Ok how about this scenario. I use gbs control to pump native rgbs into a crt with component in. I believe the max output is 480p. There's no upscaling or anything like that involved, the only thing it does is convert to component so if it's a 240p signal that's what the tv is going to get. Would that work or is the conversion enough to throw off the timing? |
| Zebidee:
--- Quote from: Howard_Casto on March 09, 2021, 01:17:30 am ---Ok how about this scenario. I use gbs control to pump native rgbs into a crt with component in. I believe the max output is 480p. There's no upscaling or anything like that involved, the only thing it does is convert to component so if it's a 240p signal that's what the tv is going to get. Would that work or is the conversion enough to throw off the timing? --- End quote --- Can't speak for GBS but GreenAntz would be essentially "zero delay" as there is no digital processing. In reality nothing is "zero" delay, even analogue transcoders will involve some delay, but with GreenAntz delay is no more than a few tens of nanoseconds. Even in the hundreds of nanoseconds you would not notice a delay. To put that into context, there are 1000 nanoseconds in a microsecond, a horizontal sync pulse is around 4-5 microseconds long and a horizontal line at 15khz is about 64 microseconds long. I don't have a GBS control myself but a friend of mine does have both a fully modded GBS and GreenAntz. He describes the GBS as a great and useful tool for the Lab, but GreenAntz is the preferred way to connect with component TV for gaming etc. because is simpler and better quality transcoding. --- Quote from: CanadianRyGuy on March 08, 2021, 11:24:02 pm ---This project looks awesome and already has me looking around my city for a nice crt tv lol. Just curious what this device might cost once all said and done? --- End quote --- Can't speak for JayBee but GreenAntz is available for forum members for US$45 for a limited time, at least until I get around to listing it elsewhere. |
| JayBee:
--- Quote from: CanadianRyGuy on March 08, 2021, 11:24:02 pm ---This project looks awesome and already has me looking around my city for a nice crt tv lol. Just curious what this device might cost once all said and done? --- End quote --- This hasn't been decided yet, as it's still in early prototyping phase :D --- Quote from: Howard_Casto on March 09, 2021, 01:17:30 am ---Ok how about this scenario. I use gbs control to pump native rgbs into a crt with component in. I believe the max output is 480p. There's no upscaling or anything like that involved, the only thing it does is convert to component so if it's a 240p signal that's what the tv is going to get. Would that work or is the conversion enough to throw off the timing? --- End quote --- The latency added by the GBS-C, while being minimal, would most definitely throw the timing off and make the gun unusable. To explain shortly, the gun needs a timing precision or at least 0.1 microsecond to work well, which pretty much no scaler do. But there is also another issue, if you double the resolution of the video signal while the gun is still sync with 15kHz, it just won't understand what's happening :lol If you want a higher res signal, the best is to simply have everything working at that res. For instance in the last demo videos, I'm using the system on a pc crt at 1025x768@75Hz. |
| CanadianRyGuy:
--- Quote from: JayBee on March 09, 2021, 05:35:57 am --- --- Quote from: CanadianRyGuy on March 08, 2021, 11:24:02 pm ---This project looks awesome and already has me looking around my city for a nice crt tv lol. Just curious what this device might cost once all said and done? --- End quote --- This hasn't been decided yet, as it's still in early prototyping phase :D That’s fair and understandable, I was more just curious if it’s like $20? $100? More just like a general price range lol. If there’s still lots to determine though I get it lol --- End quote --- |
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