Getting the Least Delay on an LCD Screen with Retro Consoles

[CrystalUnclear]

This might be a topic that's been discussed a lot but I'm looking to get sub 1 frame delay on an LCD monitor for retro consoles with RGB and/or S-video sources. I did some research and I came across the XRGB-2/XRGB-3 and the iScan VP20/30/50. I also read that no HDTVs have sub 1 frame delay and the one with the least lag has 17ms of lag according to displaylag.com (I'm aware about the Leo Bodnar method and the camera method but let's just go with the Leo Bodnar one). The monitor I have is an ASUS VS229H-P and according to that website it has an average input delay of 10ms so hopefully there's still hope to get that sub 1 frame. I have a Framemeister but that adds around ~20ms of lag so that + 10ms is close to 2f if not 2f of lag though the image quality is splendid! Anyhow, about the scalers I mentioned earlier, I read that they only add a significantly low amount of delay (I think around ~2ms) but I came across people having problems with the image quality like stutters. All in all, I wanna know the best possible way to get the least input delay on an LCD monitor with RGB and/or S-video sources and maintaining a stable picture (I don't mind quality loss as long as the image is stable)

[Fudoh]

Most monitor review sites use oscilloscope measuring to determine the actual lag on a display. If you want a comparable reading from a TV set you need use a digicam comparion, not an unaltered reading from Leo's handheld tester. With that many current Sony TVs fall into the 8-10ms range.

XRGB-2 and XRGB-3 are around 1ms each. If you add a DVDO unit as a secondary scaler you add another 7-8ms.

To use a XRGB-2 or 3 you need a VGA input on your display (which is becoming rarer on today's TVs) or you can use a VGA to component transcoder to get YUV instead. VGA to HDMI isn't ideal.

[CrystalUnclear]

Most monitor review sites use oscilloscope measuring to determine the actual lag on a display. If you want a comparable reading from a TV set you need use a digicam comparion, not an unaltered reading from Leo's handheld tester. With that many current Sony TVs fall into the 8-10ms range.

XRGB-2 and XRGB-3 are around 1ms each. If you add a DVDO unit as a secondary scaler you add another 7-8ms.

To use a XRGB-2 or 3 you need a VGA input on your display (which is becoming rarer on today's TVs) or you can use a VGA to component transcoder to get YUV instead. VGA to HDMI isn't ideal.

If I remember correctly, is the digicam method about comparing TVs/monitors to CRT? I read somewhere that the input lag of CRTs with Leo Bodnar method is around 8.33ms so won't that mean with the digicam method that the monitor I have has an input lag of 10 minus 8.33ms? Also, this monitor does have a VGA input so will connecting one of my retro consoles to the XRGB-3 then to the monitor do the trick and should the image stay stable at B1 mode?

[Fudoh]

I read somewhere that the input lag of CRTs with Leo Bodnar method is around 8.33ms

that's an edited reading (average), not an unaltered one "directly" from the testing device.

Your display has a real lag of about 11.5 ms and would show more using Leo's tester. And yes, it should work with a XRGB-2 or 3 out of the box.

[CrystalUnclear]

I read somewhere that the input lag of CRTs with Leo Bodnar method is around 8.33ms

that's an edited reading (average), not an unaltered one "directly" from the testing device.

Your display has a real lag of about 11.5 ms and would show more using Leo's tester. And yes, it should work with a XRGB-2 or 3 out of the box.

That's good to know! I really hope it does. Thanks for the replies. I learned a lot from your posts the past 2 years

[Fudoh]

FYI: quality of the XRGB-3 in B1 is better than the Framemeister with 480p output, but not as sharp as 720p from the FM.

[CrystalUnclear]

FYI: quality of the XRGB-3 in B1 is better than the Framemeister with 480p output, but not as sharp as 720p from the FM.

Nice, that's also good to know. The quality from the FM was still pretty good at 480p but definitely way better at 720p and 1080p