Rau TV feem ntau, kev ua kom pom qhov muag plooj yog qhov teeb meem rau kev saib cov kis las thiab kev ua yeeb yaj kiab vim yog qhov nrawm ntawm zaj dab neeg thiab lub sijhawm teb pixel ntev. Hauv cov yeeb yaj kiab, nws yuav luag tsis pom cov lus tsa suab plooj vim qhov qis video ncej npaum li cas los ntawm qeeb shutter ceev ntawm lub koob yees duab thaum tsim cov yees duab. Lub degree ntawm qhov muag plooj uas ib tug neeg suav hais tias yog txais. Subjective, qee cov neeg muaj kev nkag siab ntau dua rau qhov tsis pom kev tsis pom kev.
yam ntxwv ntawm kev ua si saib
LCD TVs thiab LED-backlit saib inherently muaj cov sijhawm teb pixel ntev, thaum OLED panels luv dua. Ib daim vis dis aus nrog tus ncej siab dua yuav muaj cov lus tsa suab tsis zoo dua li cov yees duab zoo ib yam nrog tus ncej qis dua yog tias qhov refresh tus nqi ntawm lub TV sib tw tus ncej tus nqi. Piv txwv li, 120Hz video ntawm lub TV ntawm 120Hz hloov 60Hz.
Ib yam li ntawd, 120Hz saib yuav tsuas muaj 60Hz plooj yog tias tus nqi video yogtsis tshaj 60 Hz. Ua li no. rau 60Hz video ntawm 120Hz TV, cov teeb liab video tseem yuav tsuas yog 60fps thiab lub sijhawm ua haujlwm yuav tsis hloov. Tib yam siv rau 24Hz thiab 30Hz ntawm TVs nrog ntau dua tus ncej tus nqi.
Component Score:
- Pixel lub sijhawm teb yog lub sijhawm nws siv rau lub vaj huam sib luag LCD hloov ntawm ib xim mus rau lwm qhov. Nrog qhov sib txawv ntev, cov pixels tsis tuaj yeem khaws cov khoom txav mus, thiab yog li koj tuaj yeem pom txoj hauv kev ntev ntawm qhov muag plooj tom qab lawv.
- Txoj kev tswj hwm feem ntau yog zoo li qub.
Yog vim li cas rau Motion Blur
Ib qho ntawm qhov cuam tshuam ntawm qeeb qeeb qeeb lossis lub sijhawm pixel teb yog tias cov duab yuav zoo li ntxuav tawm. Qhov no tshwm sim rau ntau yam.
Thawj zaug tau ua nrog lub sijhawm teb. Thaum qeeb, nws yuav siv sij hawm qee lub sij hawm kom txav los ntawm nws lub xeev dhau los mus rau ib qho tshiab. Qhov no ua rau cov duab zais lossis dab dab tom qab tus tshiab. Qhov qeeb ntawm cov pixels hnov mob, qhov ntev ntawm cov kab thiab cov duab pom tsawg dua. Qhov parameter, uas yog lub sijhawm teb pixel zoo tshaj plaws ntawm TV, nyob ntawm cov yam ntxwv ntawm tus qauv.
Qhov thib ob yog qhov muag pom. Lub hlwb yuav pom cov duab zoo li qhov muag plooj. Lub qhov muag ib txwm taug qab cov duab ntawm qhov screen, tab sis txij li nws zoo li qub, txawm tias ib feem ntawm ib pliag, lub qhov muag pom qhov kev nkag siab zoo li lub ntsej muag swb hla qhov screen.
Blur intxav yog tsim los ntawm ob peb yam tsis muaj:
- Lub sijhawm teb - qhov ntsuas qhia tau ntev npaum li cas cov pixels ntawm TV mus rau lub xeev tshiab. Lub sij hawm ntev txhais tau hais tias txoj kev tsis meej pem ntev ntawm kev txav mus los. Gamers xav paub ua ntej dab tsi yog qhov zoo tshaj plaws pixel teb lub sijhawm ntawm lub TV thaum hloov ntawm ib xim mus rau lwm qhov.
- Lub Sijhawm Ncej - tus nqi ntawm lub sijhawm uas tus ncej tshwm rau ntawm qhov screen. Lub sijhawm ntev dua, qhov pom qhov muag plooj ntau dua.
- Plur hauv qhov video nws tus kheej. Qhov no yog vim qhov kev txiav txim ntawm lub koob yees duab tshaj qhov shutter ceev. Cov neeg ua yeeb yaj kiab feem ntau suav qhov qhov muag plooj rau hauv tus account thaum npaj ua yeeb yaj kiab lossis yeeb yam.
- Txhua qhov kev ncua yuav tshwm sim vim yog siv cov keyboard wireless, nas thiab internet.
Yog tias cov zaub feem ntau yog siv rau kev yees duab, suab, lossis kev ua si, uas yuav tsum muaj lub sijhawm pixel teb raug (ms), xav txog kev sim qhov teeb tsa lag luam tawm.
Teb tsis muaj
Nov yog lub sijhawm nws yuav siv lub pixel hloov ntawm ib xim mus rau lwm qhov, ntsuas hauv milliseconds (ms) thiab ncaj qha cuam tshuam rau tus nqi refresh. Vim hais tias lub monitor refreshes sai sai, lub sijhawm teb pixel twg yog qhov zoo tshaj plaws yuav nyob ntawm seb tus saib lub pixels teb sai npaum li cas. Lub sij hawm teb ntawm 16ms sib haum rau qhov theoretical siab tshaj plaws refresh tus nqi ntawm 60Hz.
Lub sijhawm teb yog txhais raws li lub sijhawm nws siv lub pixel los ntawm dub mus rau dawb thiab rov qab dua. Feem ntau cov tuam txhab tso saib grey rau grey lossis GTG lub sijhawm teb kom tshaj tawm sai dua.
Lub sijhawm teb ntawm matrix pixel feem ntau yog sawv cev hauv milliseconds. Lub sij hawm teb ntev dua tuaj yeem cuam tshuam tsis zoo rau gameplay lossis kev saib yeeb yaj kiab los ntawm kev tawm hauv txoj kev hu ua dab. Qhov glitch no tsis yog tsuas yog ruam xwb, tab sis kuj yog kev cuam tshuam los ntawm kev ua si rhiab.
Input lag yog qhov sib txawv ntawm lub sijhawm thaum tus neeg siv nkag mus rau cov lus txib los ntawm cov keyboard, nas, lossis lwm yam khoom siv thiab thaum nws tshwm rau ntawm cov zaub. Qhov no tuaj yeem cuam tshuam kev ua tau zoo hauv FPS, RTS thiab kev ua si sib ntaus sib tua.
TN lossis stranded nematic panels feem ntau muaj sij hawm teb sai dua. Txawm li cas los xij, ntau lub IPS vaj huam sib luag, tshwj xeeb tshaj yog cov uas siv nrog kev lag luam gaming saib, muaj cov sij hawm teb tsawg txaus kom tsis txhob muaj qhov sib cais tsawg tshaj plaws.
Kev teeb tsa TV
Txoj kev sib cuam tshuam ua rau nce tus nqi ntawm cov yeeb yaj kiab los ntawm kev tsim thiab ntxig cov kev hloov pauv ntawm cov kab ntawv uas twb muaj lawm, txo cov sijhawm saib pixel teb lub sijhawm, lub sijhawm ua haujlwm thiab tsim kom muaj qhov zoo nkauj tag nrho. Ntxiv mus, vim nws tsis txhim kho, txoj kev ntev ntawm cov khoom txav tsis hloov.
Qee lub TV muaj peev xwm ntxiv backlight flicker lossis ntxig cov thav duab dub kom txo tau lub sij hawm thav duab thiab qhia meej cov lus tsa suab. Nws kuj muaj cov nyhuv dimming qhov siab tshaj plawsbrightness, txawm hais tias, raws li nrog interpolation, qhov no tsis cuam tshuam rau lub sij hawm teb. Hauv qhov no, qhov ntev ntawm txoj kev ntawm cov khoom txav tsis hloov, thiab tus nqi refresh kuj tsis cuam tshuam rau nws.
Nws tsis tuaj yeem sib piv cov lus teb cov sijhawm qhia los ntawm cov neeg muag khoom sib txawv thiab cov neeg tshuaj xyuas yam tsis paub txog cov txheej txheem ntsuas. Cov kws tshaj lij tau sim ntau qhov kev hloov pauv grey mus rau grey thiab nthuav tawm tus nqi nruab nrab, tab sis qee lub npe qhia lub sijhawm teb sai tshaj plaws uas lub vijtsam muaj peev xwm los yog ntsuas lub sijhawm nws yuav siv sijhawm hloov pauv ntawm ib qho ntxoov ntxoo mus rau lwm qhov thiab tom qab ntawd rov qab.
saib xyuas tus nqi tshiab
Rau xyoo, tus nqi refresh thiab pixel teb qhov chaw xaiv tau yog ib qho kev xav zoo rau gamers thaum yuav lub monitor. Txij li cov yam ntxwv no qhia tus nqi ntawm kev hloov pauv ntawm cov duab thiab qhia tus naj npawb ntawm qhov hloov tshiab ib ob, tus nqi ntawm qhov uas ua rau muaj kev nkag siab zoo dua. Txhawm rau sib piv lub sijhawm teb pixel twg yog qhov zoo tshaj plaws ntawm tus saib, nws ntsuas hauv hertz (Hz).
qauv hauv paus rau qhov no kom muab cov duab txaus siab nyob ntawm qhov tshwj xeeb ntawm daim ntawv thov ntawm vaj huam sib luag. Cov tsev ua yeeb yam hauv tsev muaj peev xwm muab cov duab zoo ntawm 24 Hz, thiab cov qauv qub PAL thiab NTSC TV ntawm 50 Hz thiab 60 Hz, feem. Ib qho PC saib yog 60Hz, tab sis qhov tseeb gaming saib mus siab li 240Hz.
Rau lub sijhawm ntev, 144Hz yog tus qauv de facto gaming monitor refresh tus nqi (6x24Hz), tab sis tam sim nomuaj cov vaj huam sib luag txaus nrog zaus ntawm 240 Hz ntawm kev muag khoom.
Koj yuav tsum ua siab ncaj. Yog tias tus neeg siv tsis tau ua si sib tw ua si sib tw ua si, tshwj xeeb tshaj yog cov kev ua si FPS, ces lawv zoo dua los ua qhov tseem ceeb ntawm cov duab zoo dua li tus nqi refresh thiab lub sijhawm teb. Tias yog vim li cas cov qauv zoo li Asus PG279Q thiab Acer XF270HU tau ua pov thawj kom nrov thiab pom qhov kev sib haum xeeb zoo tshaj plaws ntawm txhua yam tseem ceeb.
Kho qhov ntsuas
Feem ntau, lub sijhawm teb pixel ntawm 5ms lossis tsawg dua yog suav tias yog qhov zoo rau kev ua si. Feem ntau cov saib, txawm tias IPS vaj huam sib luag uas tau teev tseg raws li kev saib xyuas kev ua si, zoo li yuav zoo heev hauv cheeb tsam no. Kev tshuaj xyuas cov neeg siv khoom tshuaj xyuas rau cov teeb meem tshwm sim yog ib txoj hauv kev zoo los txiav txim siab yog tias lub chaw tsim khoom tsis tau muab lub sijhawm teb tiag tiag.
Muaj ob peb kauj ruam koj tuaj yeem ua kom txo qis cov tswv yim lag luam ntawm tus saib yog tias nws tsis muaj kev txwv. Yog li ntawd, nws yog ib qho tseem ceeb uas yuav tau xaiv qhov zoo saib lossis TV txij thaum pib.
Lub sijhawm pixel teb ntawm 8ms yog qhov siv tau rau kev ua si. Feem ntau, cov tswv yim lag luam ntau dua ntawm TVs uas ua tiav ntxiv.
Qee txoj hauv kev yooj yim los txhim kho qhov pom kev tsis pom kev thiab txo cov tswv yim lag luam suav nrog cov hauv qab no:
- Hloov zaub hom.
- Hloov chaw console.
- Hloov HDMI rau VGA cable.
- Siv qhov kev daws teeb meem qis dua.
Lub hauv paus zaus feem ntau yog nruab nrab ntawm 30Hz thiab 60Hz, uas txhais tau tiasdab tsi yog lub sij hawm teb ntawm ib pixel ntawm lub TV yuav tsis yog me me. Smart TV los ntawm LG nrog cov yam ntxwv ntawm TruMotion-technology, uas tso cai rau kom nce lub hertz los ntawm kev cuam tshuam, uas yog, tsim cov duab nruab nrab ntawm cov hybrid ntawm daim duab, muab cov duab pom tseeb ntawm kev txav thiab txo qis flicker. Ua tsaug rau cov thev naus laus zis no, koj tuaj yeem nce tus nqi refresh rau 120, 240 thiab txawm tias mus txog 480 Hz.
Rau LG TVs, ua raws cov lus qhia kom nkag mus rau TruMotion xaiv:
- Mus rau "Advanced settings".
- Xaiv "Duab", tom qab ntawd "Settings" thiab thaum kawg "Settings".
- Xaiv TruMotion.
- sim teeb tsa kev xaiv lossis lov tes taw feature.
Tshem tawm qeeb qeeb
Input lag feem ntau tshwm sim nrog lub vaj huam sib luag tiaj tus LCDs thiab cov plasma cov lus vim tias lub vijtsam siv sijhawm los ua cov duab los txhim kho nws qhov zoo. Yog tias koj siv koj cov zaub lossis HDTV kom ua haujlwm tiav, xauj lub vev xaib, lossis saib cov yeeb yaj kiab, koj tsis tshua muaj latency.
Muaj ntau txoj hauv kev los ntsuas kev lag luam tawm. Ib txoj hauv kev yog cais cov teeb liab ntawm qhov tsis ncua CRT zaub thiab LCD. Xwb, siv qhov web-based Human Benchmark cov tshuaj tiv thaiv, uas ntsuas cov lus teb rau kev hloov xim.
Gamers tau pom tias cov tswv yim lag luam ntawm cov zaub ntev dua li niaj zaus. Qhov ncua sij hawm ntawm nias ib lub pob thiab qhov cuam tshuam ntawm qhov screen ua rau kev ua haujlwm nyuaj lossis kev sib txuas ua ke nyuaj. Qhov no cuam tshuam rau thawj tus neeg tua neeg, sib ntaus sib tua ua si thiabkev ua si zoo li Rock Band thiab Guitar Hero.
Cov kauj ruam tuaj yeem ua kom txo qis qhov rov qab. Vim tias txhua lub vijtsam tiaj tiaj muaj qee qhov latency, txo nws mus rau qhov chaw uas tus gamer tsis pom nws.
Ua ntej, lawv xyuas seb lub TV puas muaj hom kev ua si. Qhov no yog ib qho kev qhia hom uas cuam tshuam cov txheej txheem tom qab ua haujlwm ntawm tus nqi ntawm kev txo qis me ntsis hauv cov duab zoo. Tom qab ntawd tua kom ntau li ntau lwm yam kev xaiv ua video li sai tau. Txhua tus neeg tsim khoom nyiam txheeb xyuas lawv cov yam ntxwv nrog cov lus sib txawv xws li DRE lossis 3DNR, kom ua tiav ib qho zoo yuav tsum sim tig lawv tawm thiab saib seb qhov lag luam puas txhim kho.
Yog siv HDMI lossis cov kab txuas txuas txuas rau kev teeb tsa rau cov zaub, sim siv VGA thiab HDfury hloov.
Setting the game mode
Yog lub TV muaj hom kev ua si thiab tsis siv, ces yuav muaj kev tawm tswv yim qeeb. Qhov no yog vim hais tias, feem ntau, cov tshiab TVs ua lawv tus kheej cov duab ua ua ntej tso saib nws nyob rau hauv lub TV, ua rau ib tug ncua sij hawm ntawm qhov chaw tso zis thiab cov kev tshwm sim. Teem lub TV thiab saib mus rau hom kev ua si yuav tshem tawm qhov kev ua haujlwm no thiab muab 1: 1 qhov chaw rau cov khoom siv bandwidth.
Koj tuaj yeem siv Leo Bodnar input lag tester txhawm rau txhim kho koj lub TV teeb tsa:
- Hloov hom kev nkag los ntawm AV rau PC / HDMI.
- Rau saib thiab TVs,uas muaj HDMI daim ntawv lo es tsis txhob "PC", xws li 90% ntawm Samsung thiab LG cov khoom, koj yuav tsum manually rename lub tswv yim hom rau "PC".
- Tig rau hom kev ua si yog tias muaj. Yog tias tus neeg siv nkag mus rau hauv kev ntsuas cov duab hauv TV thiab ntxhov siab los ntawm qhov tsis muaj qhov sib npaug dawb zoo tuning, xyuas seb puas muaj lub Hoobkas zaub mov rau kev kho kom zoo dua.
- Game Hom yog qhov tseem ceeb tshaj plaws uas yuav tsum tau ua raws li nws txo cov tswv yim lag luam thiab pom muaj nyob hauv TV niaj hnub no feem ntau qhov chaw suav nrog cov xim, plooj thiab lwm yam hloov pauv tshwj xeeb rau kev ua si video pab txo qis video game lag. Txawm hais tias qee qhov chaw tuaj yeem pab nrog cov duab txav xws li kev ua kis las nyob, cov kev teeb tsa tib yam tuaj yeem ua rau kev ua yeeb yaj kiab video ua lag luam lossis xav tias qeeb. Feem ntau, qhov kev xaiv no ploj tom qab koj xaiv PC hom. Nws feem ntau nres txhua yam hauv kev ua haujlwm tom qab, uas yog qhov ua rau muaj kev lag luam tawm, thaum hom kev ua si feem ntau nres rau HDMI hom nkaus xwb.
- Nrhiav qhov chaw hu ua 'Lub Sijhawm Teb' lossis 'Pixel Overload', 'Overload', feem ntau yog qee yam xws li 'Normal', 'Fastest' lossis 'Fastest'.
- Disable tej chaw txuag hluav taws xob lossis ambient screen dimming. Ob leeg ntxiv kev lag luam ntxiv (~10ms txhua).
- Khiab txhua qhov HDMI cov tswv yim. Nws tshwm sim hais tias tawm ntawm 4 HDMI inputs, ob los yog ntau tshaj muaj qis input lag (6ms tsawg) dua lwm tus.
- Siv cov hais lus TV,ntxiv ib qho kev tawm tswv yim ncua. Yog tias ua tau, siv lub suab sib cais, xws li lub suab nrov. Feem ntau cov cuab yeej no tuaj yeem ntxiv ~ 8ms ntawm latency.
- Qee lub TV zoo li Vizio muaj cov nyhuv ua haujlwm du - tig nws.
MPRT xeem
Rau qhov kev sim loj ntawm cov zaub, koj tuaj yeem siv PixPerAn (Pixel Persistence Analyzer), uas pab koj txheeb xyuas qhov rhiab heev ntawm cov pixels. Nws siv lub hauv paus ntsiab lus ntawm kev yees duab zoo li qub lossis yees duab. Koj tuaj yeem siv qhov kev xeem no los xam tus nqi hu ua MPRT (Lub Sijhawm Tsiv Duab Teb).
MPRT yog theem dav ntawm kev nkag siab ntawm kev xav ntawm kev xav ntawm cov saib. Qhov kev ntsuam xyuas tso cai rau koj siv ntau qhov kev hloov pauv ntawm pixels los ntawm dub (0% grey) mus rau dawb (100% grey) nrog cov theem nruab nrab grey ntawm 25%, 50% thiab 75%. MPRT yog tsim los kom muaj kev cuam tshuam txog "kev tshuaj xyuas qhov muag tag nrho", yog li tus nqi refresh thiab saib xyuas tus cwj pwm xaiv yog qhov tseem ceeb.
Tshwj xeeb qeeb pixel cov lus teb yuav ua rau me ntsis nce MPRT qhov tseem ceeb kom tau txais cov txiaj ntsig sawv cev. Qhov no yog vim hais tias cov khoom siv hloov pauv tuaj yeem yog qhov tseem ceeb heev thaum siv qhov hnyav grey-rau-grey acceleration. Cov khoom qub no yeej muaj feem cuam tshuam rau MPRT thiab yog li ntawd yuav tsum tau siv nyias.
YUsing PWM
Pulse Width Modulation (PWM) yog cov txheej txheem siv los hloov kho qhov ci ntsa iab ntawm qee qhov qauv thiabcov duab ntawm LCD. Txhawm rau siv qhov hloov pauv tam sim no los hloov qhov ci ntsa iab, PWM tswj lub teeb ci tau qhib thiab tawm sai sai kom ua tiav qhov ci ci. Qee tus neeg muaj kev nkag siab zoo rau qhov tsis pom kev. Flicker kuj muaj qhov cuam tshuam rau kev nkag siab ntawm cov khoom ntawm cov saib. Qhov no tej zaum yuav yog ib qho pom ntawm qhov muag plooj, uas tau hnov thaum saib cov duab txav. Fragmented blurring is called PWM artifact.
LightBoost thiab stroboscopic backlighting suav nrog rau thiab tawm pulses, tso cai rau lub LCD tso saib cov ntaub ntawv tsuas yog rau cov neeg siv uas faib cov vib nas this thiab tso saib tsis muaj dab tsi rau lub sijhawm ntxiv. Qhov no tsuas yog vim lub zog tsav tsheb, suav nrog cov khoom siv ntau dhau uas tuaj yeem ua rau muaj kev txhoj puab heev rau grey acceleration. Sony Motionflow yog ib lub tshuab nrov tshaj plaws muaj rau LCD TVs.
Basic Motionflow suav nrog kev siv MCFI (Motion-Compensated Frame Interpolation) thev naus laus zis, uas tsim cov duab nruab nrab thiab ntxig ntawm cov thav duab tiag tiag kom nce tus nqi tshiab.
Rau suav nrog, pom tseeb qhov kev xaiv zoo tshaj plaws los yuav lub TV nrog cov lus tsa suab me me yog nrhiav tus qauv nrog lub sijhawm teb tsawg. Tus neeg siv tuaj yeem txo qhov muag plooj los ntawm kev saib cov vis dis aus ntawm tus ncej siab dua, los ntawm kev ua kom muaj kev sib cuam tshuam los yog rov qab flickering, nqa lub sijhawm pixel teb mus rau 1ms. Tib lub sijhawm, nws yuav tsum nco ntsoov tiasUa kom muaj cov yam ntxwv siab heev no tuaj yeem ua rau lwm yam teeb meem hauv video, yog li txhua yam yuav tsum tau ua tib zoo saib xyuas.
