Thaum yuav khoom rau TV lossis khoos phis tawj saib, nws yooj yim rau kev ntxhov siab los ntawm cov ntsiab lus xws li kev soj ntsuam zoo, 4K Ultra HD, tus nqi ncej, thiab cov nqi tshuaj ntsuam xyuas. Thaum ob lub suab kawg zoo li tib yam, muaj qhov sib txawv me ntsis ntawm lawv, uas yog vim li cas peb tau sau cov lus qhia rau qhov sib txawv ntawm qhov refresh npaum li cas thiab FPS.
- Hais txog tus naj npawb ntawm cov thav duab tso tawm txhua ob.
- ntsuas hauv FPS (thav duab ib ob).
- Hais txog pes tsawg zaus cov zaub refreshes ib ob.
- ntsuas hauv Hz (hertz).
Frame Rate Pros and Cons
- Cov ncej siab dua txo qis qis, tshwj xeeb tshaj yog rau kev ua si video.
- Cov neeg siv niaj hnub Blu-duab tshav tso tawm tib lub FPS raws li tus qauv zaj duab xis.
- Feem ntau cov yeeb yaj kiab thiab TV yeeb yaj kiab raug tua ntawm 30 FPS lossis qis dua, yog li 60 FPS zaub yuav tsis ua qhov txawv.
- Kev kaw cov ncej siab dua ua rau cov ntaub ntawv loj dua.
Ib yam li zaj yeeb yaj kiab ib txwm muaj, cov yeeb yaj kiab digital tso tawm cov duab ua tus thav ntawv. Ncej tus nqi yog hais txog tus naj npawb ntawm thav duab-ib-thib ob (FPS) lub TV tuaj yeem tso saib. Cov thav duab no tso tawm kom pom siv cov txheej txheem scan interlaced lossis cov txheej txheem scan loj. Ncej tus nqi feem ntau tau teev nrog rau qhov kev daws teeb meem video. Piv txwv li, 1080p / 60 TV muaj tus ncej tus nqi ntawm 60 FPS.
TV cov tuam txhab tau qhia ntau tus yam ntxwv los txhim kho tus ncej tus nqi. Piv txwv li, qee lub TVs siv cov txheej txheem hu ua thav duab interpolation, uas cov txheej txheem video sib txuas cov ntsiab lus ntawm cov thav duab txuas ntxiv los muab lawv ua ke rau kev ua kom zoo dua. Qhov tsis zoo ntawm qhov kev cuam tshuam no yog tias nws tuaj yeem ua rau cov yeeb yaj kiab tua ntawm zaj duab xis zoo li lawv raug tua ntawm cov yeeb yaj kiab digital.
Vim tias zaj yeeb yaj kiab raug tua ntawm 24 thav duab-ib-ob thib ob, thawj 24 thav duab yuav tsum tau hloov dua siab tshiab los tso rau ntawm lub vijtsam TV. Txawm li cas los xij, nrog kev qhia txog Blu-duab tshav Disc thiab HD-DVD cov players uas tuaj yeem tso tawm 24 thav duab ib ob lub teeb liab video, cov nqi tshiab tshiab tau raug coj los ua kom haum rau cov teeb meem no hauv qhov tseeb lej.
Refresh Rate Pros and Cons
- siab refresh tus nqi txhim kho cov lus tsa suab.
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Cov nqi tshiab siab ua kom pom qhov sib txawv thaum ua si ntawm FPS siab.
- Tus nqi tshiab nrawm dua tsis yog ib txwm pom.
- Tus nqi qis qis dua piv rau FPS tuaj yeem ua rau lub vijtsam tawg thaum ua si.
Tus nqi refresh piv rau pes tsawg zaus cov zaub tau rov tsim dua tshiab txhua ob. Lub sij hawm ntau qhov kev tshuaj ntsuam tau rov ua dua tshiab, cov duab smoother nyob rau hauv cov nqe lus ntawm cov lus tsa suab rendering thiab flicker txo.
Refresh tus nqi yog ntsuas hauv hertz (Hz). Piv txwv li, lub TV nrog 60 Hz refresh npaum li cas sawv cev rau kev tsim kho kom tiav ntawm lub vijtsam duab 60 zaug txhua ob. Yog tias daim vis dis aus tau muab tso rau ntawm 30 FPS, tom qab ntawd txhua lub vis dis aus yuav rov ua dua ob zaug.
Ib qho txheej txheem uas qee cov tuam txhab TV siv los txo cov suab tsis meej yog hu ua backlight scanning, uas lub teeb rov qab flashes rau thiab tawm sai ntawm txhua qhov screen refresh. Yog hais tias lub TV muaj 120 Hz npo refresh npaum li cas, backlight scanning muab cov nyhuv ntawm muaj 240 Hz screen refresh npaum li cas. Cov yam ntxwv no tuaj yeem qhib lossis tsis ua haujlwm sib cais los ntawm qhov screen refresh tus nqi teeb tsa.
Txhim kho tus nqi hloov tshiab, rov qab luam theej duab, thiab kev cuam tshuam thav duab feem ntau siv rau LCD thiab LED / LCD zaub. Plasma TVs tswj kev ua haujlwm sib txawv, siv lub tshuab hu ua Sub-Field Drive.
Frame Rate vs. Refresh Rate: Uas Tseem Ceeb Ntau?
Yog tias lub vijtsam hloov tshiab tsis tuaj yeem ua raws li tus ncej tus nqi, nws tuaj yeem ua rau lub vijtsam tearing, lossis ntau lub thav duab tso tawm ib zaug. Qhov no tsis tshua muaj tshwm sim thaum saib TV. Nws feem ntau tshwm sim thaum ua si GPU-intensive video games. Yog tias koj yog PC gamer, xaiv lub monitor nrog 240 Hz refresh npaum li cas. Thaum saib TV, qhov refresh npaum li cas thiab tus ncej tus nqi tseem ceeb dua qhov kev daws teeb meem video.
Tau ua lag luam TVs uas siv tus nqi nrawm dua thiab tus nqi tshiab, cov tuam txhab tsim lawv tus kheej buzzwords los kos cov neeg siv khoom.
Piv txwv ntawm kev ua haujlwm (aka Motion Smoothing) buzzwords siv los ntawm cov tuam txhab suav nrog TruMotion (LG), Intelligent Frame Creation (Panasonic), Auto Motion Plus lossis Clear Motion Rate (Samsung), AquaMotion (Sharp), Motion Flow (Sony), ClearScan (Toshiba), thiab SmoothMotion (Vizio).
Tsis txhob poob siab nrog cov lej thiab cov lus siv. Cia koj ob lub qhov muag ua koj cov lus qhia thaum koj sib piv cov duab TV. Nco ntsoov tias lub TV muaj zog txaus los txhawb koj cov media player thiab video game consoles. Piv txwv li, txhawm rau ua si cov yeeb yaj kiab hauv 4K ntawm 60 FPS, xaiv lub TV uas muaj peev xwm nthuav tawm cov kev daws teeb meem siab thiab tus nqi nrawm.
