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Least possible lag for a scaler?
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Apr 06, 2015 7:34 am    Post subject: Least possible lag for a scaler? Reply with quote


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Hi all, i have been using the LIMO PRO that comes with a Barco Cine 9 for my old retro games, which does the job fairly well so it seems.

The issue with a Barco Cine 9 is it doesnt scan to 15.7kHz, so i need to upscan these retro consoles.

Most output 240p at 60Hz or very close to it, some output 59.18Hz, and some are 288p at 50Hz. There is the odd one or two that put out 480i 60Hz or 576i 50Hz.

I want not only the least possible lag, but want no more than 480p or 576p outputs, on the LIMO PRO ive used 1050i 120Hz and 1150i 100Hz modes with some games, but then some games look better that way than others.

The problem with lag is it kills the gaming experience, and makes some games totally unplayable, especially where quick reactions and accurate timing are needed.

I need S-Video input, RGB-S, and possibly also composite video. Only need RGB-S or RGB-HV output.

I have put some of these consoles through the Faroudja scaler in my AVR, and found the lag to be totally unacceptable.

No idea how much lag the LIMO PRO adds, but its not much.

What would be ideal is a scaler that added a black line for every second line making the 240p into 480p without changing the image, which should result in zero lag.

I have looked at the XRGB Mini Framemiester, which looks like a good option, but the XRGB-3 looks to have more inputs and options.

What else is around that will do what i am after?

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Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

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AnalogRocks
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Joined: 08 Mar 2006
Posts: 26690
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Mon Apr 06, 2015 7:57 am    Post subject: Reply with quote

How about the old fashion farudja line doubler/quadruplers? Have you ever had hands on one of those?
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Apr 06, 2015 11:27 am    Post subject: Reply with quote

No, but im not sure if theyd be any better than the ones in the AVRs of today.
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Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CIR Engineering




Joined: 25 Aug 2008
Posts: 4264
Location: Chicago USA & Berlin Germany


PostLink    Posted: Tue Apr 07, 2015 11:34 pm    Post subject: Reply with quote

Just skimmed Case, but the Radiance line has a "game mode" that provides very little lag that is pretty much undetectable.

If you want to do it on the cheap and you bide your time, you could get an XD that would do the job. Or you could jump for a newer unit and get a great VP for other purposes too.

Even when a Raiance is not in game mode, usually the video is actually ahead of the audio still so the lag is very little.

But you know I am a Lumagen man Smile

craigr

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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Apr 08, 2015 12:09 am    Post subject: Reply with quote

Id have no other real good use for it though Craig to warrant the outrageous price they go for new, its a bloody lot of money for what it is!
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Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CIR Engineering




Joined: 25 Aug 2008
Posts: 4264
Location: Chicago USA & Berlin Germany


PostLink    Posted: Wed Apr 08, 2015 12:14 am    Post subject: Reply with quote

261751756779

331490493265

Seems like a good toy for that price in my mind. You might be surprised Wink

craigr

_________________
*NEW JETI 1501-HiRes 2nm Spectroradiometer
JETI 1211 Spectroradiometer
Photo Research PR-650 Spectroradiometer
Klein K10-A Colorimeter
X-Rite i1Pro2 Spectroradiometer & Spyder Colorimeters *For JVC auto-calibration when Klein & Jeti are not applicable
Murideo Fresco SIX-G HDMI 2.x Multimedia Generator
Murideo Fresco SIX-A HDMI 2.x Analyzer
*NEW Light Illusion ColourSpace XPT Version β Color Calibration Software
Light Illusion LightSpace XPT Pro Version 10.x Color Calibration Software
*NEW OMARDRIS JVC Software Patch to use K10-A and Jeti with JVC OEM AutoCal Software!
Sencore CR7000 CRT Tube Analyzer / Rejuvenater
Authorized Dealer for Lumagen & just about everything worth buying Wink
www.CIR-Engineering.com - craigr@cir-engineering.com
Phone: 865-405-6892
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Apr 08, 2015 2:03 am    Post subject: Reply with quote

Ill have a look soon Wink Cheers mate!
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Apr 08, 2015 2:24 am    Post subject: Reply with quote

I cant view whatever that is, it is coming up as a phone number to my phone
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Apr 08, 2015 2:31 am    Post subject: Reply with quote

Is there anything that will just add a black line every second line to make the image look identical to the original?
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CIR Engineering




Joined: 25 Aug 2008
Posts: 4264
Location: Chicago USA & Berlin Germany


PostLink    Posted: Wed Apr 08, 2015 2:47 pm    Post subject: Reply with quote

CasetheCorvetteman wrote:
I cant view whatever that is, it is coming up as a phone number to my phone

They are completed eBay.com listings for RadianceXD's.

craigr

_________________
*NEW JETI 1501-HiRes 2nm Spectroradiometer
JETI 1211 Spectroradiometer
Photo Research PR-650 Spectroradiometer
Klein K10-A Colorimeter
X-Rite i1Pro2 Spectroradiometer & Spyder Colorimeters *For JVC auto-calibration when Klein & Jeti are not applicable
Murideo Fresco SIX-G HDMI 2.x Multimedia Generator
Murideo Fresco SIX-A HDMI 2.x Analyzer
*NEW Light Illusion ColourSpace XPT Version β Color Calibration Software
Light Illusion LightSpace XPT Pro Version 10.x Color Calibration Software
*NEW OMARDRIS JVC Software Patch to use K10-A and Jeti with JVC OEM AutoCal Software!
Sencore CR7000 CRT Tube Analyzer / Rejuvenater
Authorized Dealer for Lumagen & just about everything worth buying Wink
www.CIR-Engineering.com - craigr@cir-engineering.com
Phone: 865-405-6892
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jbmeyer13




Joined: 03 Dec 2010
Posts: 1135



PostLink    Posted: Wed Apr 08, 2015 4:49 pm    Post subject: Reply with quote

AnalogRocks wrote:
How about the old fashion farudja line doubler/quadruplers? Have you ever had hands on one of those?


I used to pipe my Nintendo GameCube through my Faroudja NRS back in the day and it worked great; no lag what so ever. I'd output 1280 x 720 and it looked awesome. I loved playing Metroid Prime and Rogue Squadron Cool

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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Apr 09, 2015 12:11 am    Post subject: Reply with quote

If its changing the res there will always be some lag, id rather not change the res if i could avoid it, which is why i want 480p with every second line black.
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Apr 09, 2015 12:18 am    Post subject: Reply with quote

I always prefer the original untouched resolution, it looks very good and was designed that way!!
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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AnalogRocks
Forum Moderator



Joined: 08 Mar 2006
Posts: 26690
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Thu Apr 09, 2015 1:35 am    Post subject: Reply with quote

If I ever get the time I'll dig out my doublers and quaduplers. Never enough hours in the day.
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Apr 09, 2015 3:03 am    Post subject: Reply with quote

There is nothing worse than a 240p image raped into 480p, may as well use an emulator!!
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Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

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ecrabb
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Joined: 13 Mar 2006
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Location: Utah

TV/Projector: JVC RS40, Epson 5010


PostLink    Posted: Thu Apr 09, 2015 3:18 am    Post subject: Reply with quote

CasetheCorvetteman wrote:
I always prefer the original untouched resolution, it looks very good and was designed that way!!

To be fair though, those original resolutions don't exacly look the same displayed on a monitor that's massively sharper than anything that existed 20-30 years ago. I mean, if you're displaying a game from 1985 on a six-foot screen, you're already straying very far away from how those games were ever originally designed.

SC
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AnalogRocks
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Joined: 08 Mar 2006
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Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Thu Apr 09, 2015 4:06 am    Post subject: Reply with quote

CasetheCorvetteman wrote:
There is nothing worse than a 240p image raped into 480p, may as well use an emulator!!


I also have an Extron box that is said to convert 480i into 240p Wink

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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Apr 09, 2015 6:50 am    Post subject: Reply with quote

ecrabb wrote:
CasetheCorvetteman wrote:
I always prefer the original untouched resolution, it looks very good and was designed that way!!

To be fair though, those original resolutions don't exacly look the same displayed on a monitor that's massively sharper than anything that existed 20-30 years ago. I mean, if you're displaying a game from 1985 on a six-foot screen, you're already straying very far away from how those games were ever originally designed.

SC

I have to dissagree there Crabb, 240p on my XG looks f***en excellent in every sense of the word, even on my 9 foot wide screen.

Its one area where the XG really blows the Cine 9 away.

The biggest screens i saw used in any arcade were 50" 4:3 rear projection, usually Mitsubishi or Toshiba, but a couple used Pioneer and some even used Sony. Most arcade games were 240p 60Hz, which is the resolution used by most home consoles up til the Panasonic 3DO used a 640x480i standard, more than 80% of Sega Saturn games were 240p, with a small few using 480i for NTSC and 576i for the improved PAL versions.

If youve ever played Sega Rally on the Saturn ( in your case it wouldve probably been the rushed US version that lacked the polished graphics of the Japan and PAL versions ) with it upscaled, it looks HORRIBLE, yet in its original 288p 50Hz original format looks pretty damn good for it's day.

The problem with upscaling them is usually looking more blocky than they even did on 240p, which makes them look worse.

The majority of games for current consoles are 720p, but the difference there is the console does the scaling on the fly and makes them look perfectly fine at 1080p.

Scaling 240p to 960p makes them look just like youre playing an emulator, and the whole idea of using genuine original hardware is to have them look perfect, as they did back then.

_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Apr 09, 2015 6:56 am    Post subject: Reply with quote

I know Justin claims to have seen or felt there was no lag scaling his Game Cube to 720p, however Nintendo games often have very good and very forgiving controls, where as some others really need good timing. When they have that, all is smooth and easy.

Need For Speed on 3DO is a prime example of where lag destroys an awesome game, and any 1 on 1 fighting game such as any on the NEO•GEO also suffer greatly due to milliseconds of lag making moves very hard to pull off, and even harder to use at the right time.

_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Tue Apr 14, 2015 7:33 am    Post subject: Reply with quote

I did read that the DVDO VP30 is one of the best for games. The least amount of lag.
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