Tus nqi tshiab ntawm lub saib lossis TV yog qhov siab tshaj plaws ntawm lub sijhawm cov duab ntawm lub vijtsam tuaj yeem kos tau, lossis rov ua dua tshiab, ib ob. Tus nqi refresh yog ntsuas hauv hertz.
Refresh tus nqi kuj tseem raug xa mus los ntawm cov ntsiab lus xws li scan tus nqi, kab rov tav scan tus nqi, zaus, lossis ntsug zaus.
TV lossis PC saib "Refresh li cas?"
Cov duab ntawm lub TV lossis lub khoos phis tawj saib lub vijtsam, yam tsawg CRT hom, tsis yog cov duab zoo li qub, txawm tias nws zoo li ntawd.
Hloov chaw, cov duab yog "redrawn" dua thiab dhau ntawm qhov screen sai sai (qhov twg los ntawm 60, 75, lossis 85 txog 100 zaug lossis ntau dua ib ob) uas tib neeg lub qhov muag pom tau tias nws yog cov duab zoo li qub, lossis ib daim video du, thiab lwm yam.
Qhov no txhais tau hais tias qhov sib txawv ntawm 60 Hz thiab 120 Hz saib, piv txwv li, yog tias 120 Hz ib qho tuaj yeem tsim cov duab ob zaug sai li 60 Hz saib.
Ib rab phom hluav taws xob zaum tom qab lub iav ntawm tus saib thiab tua lub teeb los tsim cov duab. Cov phom pib ntawm lub kaum sab xis saum toj kawg nkaus ntawm lub vijtsam thiab tom qab ntawd nrawm nrawm nrog cov duab, kab los ntawm kab hla lub ntsej muag thiab tom qab ntawd nqes mus txog rau hauv qab, tom qab ntawd rab phom electron txav rov qab mus rau sab laug thiab pib lub tag nrho cov txheej txheem dua.
Thaum rab phom hluav taws xob nyob hauv ib qho chaw, lwm qhov ntawm lub vijtsam yuav yog qhov khoob vim nws tos rau daim duab tshiab. Txawm li cas los xij, vim tias lub vijtsam nrawm npaum li cas rov qab nrog lub teeb ntawm daim duab tshiab, koj tsis pom qhov no.
Qhov ntawd yog, tau kawg, tshwj tsis yog tus nqi refresh tsawg dhau.
Tus nqi qis qis thiab saib xyuas Flicker
Yog tias qhov ntsuas tshiab ntawm lub ntsuas ntsuas qis dhau, koj tuaj yeem pom qhov "redrawing" ntawm daim duab, uas peb pom tau tias yog flicker. Saib xyuas flickering tsis kaj siab rau saib thiab tuaj yeem ua rau qhov muag thiab mob taub hau sai sai.
Screen flickering ib txwm tshwm sim yog tias qhov ntsuas tshiab tau teeb tsa qis dua 60 Hz, tab sis kuj tseem tuaj yeem tshwm sim nrog tus nqi refresh dua rau qee tus neeg.
Qhov kev teeb tsa tus nqi tshiab tuaj yeem hloov pauv kom txo tau qhov cuam tshuam flickering. Saib peb Yuav Ua Li Cas Hloov Tus Saib Xyuas Tus Nqi Them Rov Qab Hauv Qhov Kev Qhia Hauv Windows rau cov lus qhia ua qhov no hauv txhua lub Windows.
Refresh tus nqi ntawm LCD saib
Txhua lub LCD saib txhawb nqa tus nqi tshiab uas feem ntau dhau ntawm qhov pib uas ib txwm ua rau flicker (feem ntau 60 Hz) thiab lawv tsis mus blankes ntawm refreshes li CRT saib ua.
Vim qhov muaj peev xwm tsim tau, cov saib LCD tsis tas yuav hloov kho tus nqi kom tsis txhob flickering.
Xav paub ntxiv txog tus nqi tshiab
Qhov siab tshaj qhov ua tau tshiab tsis tas yuav zoo dua. Teem lub refresh npaum li cas tshaj 120 Hz, uas qee daim npav video txhawb nqa, tuaj yeem muaj kev cuam tshuam tsis zoo rau koj ob lub qhov muag thiab. Khaws lub ntsuas ntsuas qhov ntsuas tshiab ntawm 60 Hz txog 90 Hz yog qhov zoo tshaj plaws rau feem ntau.
Kev sim kho CRT tus saib xyuas tus nqi tshiab rau ib qho uas siab dua qhov kev qhia tshwj xeeb ntawm tus saib yuav ua rau muaj qhov yuam kev "Tshaj Tawm" thiab tso koj nrog lub vijtsam dawb. Sim pib Windows hauv Safe Mode thiab tom qab ntawd hloov qhov ntsuas ntsuas ntsuas qhov ntsuas kom tsim nyog dua.
Peb yam txiav txim siab qhov siab tshaj plaws refresh npaum li cas: Tus saib xyuas qhov kev daws teeb meem (qhov kev daws teeb meem qis dua feem ntau txhawb cov nqi refresh dua), daim npav video qhov siab tshaj plaws refresh tus nqi, thiab tus saib xyuas qhov siab tshaj plaws refresh npaum li cas.
