Input Lag Free HDTV?

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Xer Xian
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Re: Input Lag Free HDTV?

Post by Xer Xian »

Xer Xian wrote: They do, and while no one has tested them for lag I'd bet they wouldn't score nicely.
I would have lost this bet.

Vincent Teoh of HDTVTest has measured the input lag of the mighty Sony BVM-X300 Master monitor (brochure here), and it's well under one frame. Apparently this monitor has very minimal picture processing (it does not upscale, it doesn't even deinterlace since it can render 1080i as is) which would explain the very good score.

Watch Vincent drool over this state-of-the-art monitor - I've joined him already :)
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bobrocks95
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Re: Input Lag Free HDTV?

Post by bobrocks95 »

Kind of surprised the peak luminance with a 100% white screen is only 100 nits according to the brochure. LG TVs already have it beat in that regard, and they aren't 30,000 pounds. Maybe they don't want it any brighter so it's not blinding professionals while they work on an HDR scene?
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orange808
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Re: Input Lag Free HDTV?

Post by orange808 »

bobrocks95 wrote:Kind of surprised the peak luminance with a 100% white screen is only 100 nits according to the brochure. LG TVs already have it beat in that regard, and they aren't 30,000 pounds. Maybe they don't want it any brighter so it's not blinding professionals while they work on an HDR scene?
Keeping the screen dark would hide flicker and improve motion. Those would be the best reasons to limit the peak.
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Xer Xian
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Re: Input Lag Free HDTV?

Post by Xer Xian »

Apparently the BVM-X300 has a very aggressive ABL, more so than what we have on consumer OLED panels. You simply don't want to incur permanent burn-in on a 30k monitor.

Sony released a firmware update in Oct 2016, it seems to allow a higher peak luminance with HDR sources. Of course it's still miles away from LCDs in this specific aspect.
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Lawfer
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Re: Input Lag Free HDTV?

Post by Lawfer »

Xer Xian wrote:Apparently the BVM-X300 has a very aggressive ABL
I hate ABL and PWM. So this + Blue OLED half brightness is rated 14,000 hours while LCD and LED have a half brightness rated 60,000 hours in comparison is a no deal for me.

But apparently LG OLEDS allow you turn off ABL at least:

http://www.avsforum.com/forum/40-oled-t ... ed-tv.html
Last edited by Lawfer on Tue Sep 05, 2017 8:47 pm, edited 1 time in total.
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Guspaz
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Re: Input Lag Free HDTV?

Post by Guspaz »

A lot of professional work is done in dimly lit or unlit rooms, although admittedly my experience was with live shows where front of house is virtually unlit. Don't need a super bright screen in those cases.
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Extrems
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Re: Input Lag Free HDTV?

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FinalBaton
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Re: Input Lag Free HDTV?

Post by FinalBaton »

Damn, I had completely missed the Samsung ks8000 from last year...

looks realy solid.
lower lag than the Sony X900E buuuuut... the Sony supposedly handles fast motion quite better. And I'm gonna watch a ton of hockey on my new display so.... I'm still considering the Sony as of now >_<
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Xyga
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Re: Input Lag Free HDTV?

Post by Xyga »

Lag isn't better, actually as soon as 4:4:4 is involved it is slightly higher than the x900e's
Apparently the only thing the Samsung is better at is HDR (high colors peak and black uniformity), its is mostly inferior to the Sony otherwise, especially considering the typical budget-level 120Hz PWM joke, 'solid' is never a word to qualify Samsung sets imho, they have areas where they shine but badly suck at some basic stuff, Sony are significantly more well rounded and balanced. You could see Samsung as 'popular-new-feature-oriented', when Sony are more 'whole package/experience' kind of product oriented.

In other news the entry-level Sony X720E is actually very interesting and comes in 43", 49" and 55"
http://www.rtings.com/tv/reviews/sony/x720e
(in Europe it'll be **XE7002, **XE7003, **XE7004 series)

+ 19ms lag, decent pixel response as far as TVs go, and of course it is PWM-free, all that for about USD 550~

- Only 60Hz and no super bright HDR of course, the 43" is IPS so not ideal for movies, dunno for the bigger sizes.
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Lawfer
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Re: Input Lag Free HDTV?

Post by Lawfer »

Xyga wrote:the 43" is IPS so not ideal for movies
Why not? What about S-IPS or H-IPS?
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Xyga
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Re: Input Lag Free HDTV?

Post by Xyga »

Same, compared to VAs , IPS type panels have way poorer contrast, black levels and uniformity, for which they make up with greater viewing angles/more consistent natural colors accross the screen and tighter pixel transitions.

Usually;
gaming -> IPS
movies -> VA

Though a select few IPS manage decent black levels with better 1. panel 2.coating 3.backlighting, but that happens mostly on the higher-end segment (for instance the old Triluminos W9) and IPS are much rarer there anyway.
And several VAs have either decently accelerated crystals so they don't produce too many awkward slow trails/transitions, or a bit better viewing angles like the Samsung-made SPVA/SVA, but that also depends on the quality, coating etc.

Anyway when you want to watch movies contrast and black levels are more important, unless you only watch everything in a quite bright environment with proper distribution of the light behind the display (even so IPSes still struggle to provide a good-enough movies experience)
Really today people are saitisfied with the current VAs found on most TVs for both uses (movies and games), you get an IPS TV only knowing that you absolutely need what constitutes the 'pluses' of that panel tech. Otherwise IPSes find better uses in the monitors realm.
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FinalBaton
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Re: Input Lag Free HDTV?

Post by FinalBaton »

Xer Xian wrote: I would have lost this bet.

Vincent Teoh of HDTVTest has measured the input lag of the mighty Sony BVM-X300 Master monitor (brochure here), and it's well under one frame. Apparently this monitor has very minimal picture processing (it does not upscale, it doesn't even deinterlace since it can render 1080i as is) which would explain the very good score.

Watch Vincent drool over this state-of-the-art monitor - I've joined him already :)
Just watched this. It was super interesting

Sony's still got it. hehe

It's pretty amazing how the top guys at Sony have been coming up with reference displays over the years(from the CRT BVM models all the way up to the BVM-X300). You can see they really have pride and incredible technical knowledge and strive for nothing but the best. It's hard not to admire that attitude and craftmanship.

that pro-calibrator guy is nothing short of flabberghasted by the BVM-X300's performance, lol
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Guspaz
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Re: Input Lag Free HDTV?

Post by Guspaz »

It's currently on sale for $5000 off :P

https://www.bhphotovideo.com/c/product/ ... ASTER.html
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Fudoh
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Re: Input Lag Free HDTV?

Post by Fudoh »

That's the LCD version - hence the price.
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Lawfer
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Re: Input Lag Free HDTV?

Post by Lawfer »

Guspaz wrote:It's currently on sale for $5000 off :P

https://www.bhphotovideo.com/c/product/ ... ASTER.html
Only 12k, what a steal!
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