2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
TV yog ib yam cuab yeej siv hauv tsev hauv txhua lub tsev. Nws tuaj yeem teeb tsa hauv txhua chav: chav pw, chav nyob, chav ua noj, chaw zov menyuam. Ntxiv mus, txhua tus qauv yog tus yam ntxwv loj ntawm tus yam ntxwv.
Thaum xaiv thiab yuav TV, kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov ntsuas no xws li kev daws teeb meem ntawm lub vijtsam. Hauv peb cov ntaub ntawv, peb yuav tham txog cov yam ntxwv ntawm qhov ntsuas no, txog nws cov ntau yam uas twb muaj lawm, nrog rau txog cov cai rau xaiv TV txais, suav nrog qhov ntsuas no.
Nws yog dab tsi?
Kev daws teeb meem hauv TV qhia txog qhov sib piv ntawm tus lej ntawm cov xim dots (lossis hu ua pixels) kab rov tav rau tus lej ntawm cov dots ntsug. Ntxiv mus, qhov ntsuas no tau qhia hauv tus lej thiab qhia hauv ntau txoj hauv kev.
Kev tshuaj ntsuam lub vijtsam ntawm tus neeg siv khoom siv ncaj qha cuam tshuam rau qhov zoo ntawm cov duab xa tawm uas tau tshaj tawm los ntawm cov neeg siv khoom siv . Qhov siab dua qhov kev daws teeb meem, qhov siab dua qhov pom tseeb, qhov ua kom xim zoo dua, qhov ua kom zoo dua thiab qhov tob ntawm daim duab. Ib qho ntxiv, ntawm qhov kev daws teeb meem ntawm lub vijtsam siab, tsis muaj kev cuam tshuam xim lossis pom cov xim hloov pauv.
Yog li, daim duab no txhais tau ntau yam hais txog qhov ua tau zoo thiab yooj yim ntawm kev saib TV.
Ua li cas?
Niaj hnub no, hauv cov khw muag khoom siv hauv tsev, koj tuaj yeem pom cov cuab yeej siv nrog kev tshuaj ntsuam sib txawv: 1920x1080; 1366x768; 1280x720; 3840x2160; 640 × 480; 2560x1440; 2K; 16K; 8K; UHD thiab ntau lwm tus.
Yog tias peb xav txog cov ntsuas no kom ntxaws, nws yuav tsum tau sau tseg tias daws teeb meem 640 × 480 suav hais tias yog qub heev. TV niaj hnub no tsis muaj qhov ntsuas no. Lub peev xwm ua haujlwm tau ntawm cov neeg siv khoom siv nrog daws teeb meem ntawm 640x480 yog qhov txwv heev. Hauv qhov no, qhov ntsuas no qhia pom qhov sib piv ntawm lub vijtsam hauv qhov sib piv ntawm 4 txog 3. Qhov ntsuas 640 × 480 yog tus yam ntxwv los ntawm cov duab tsis meej. Ib qho ntxiv, tshuaj ntsuam lub vijtsam hauv qhov no kuj tseem qis heev thiab suav txog 30 lossis 60 ntas / sec (rau ED). Yog li ntawd, thaum saib cov xwm txheej hloov pauv, koj yuav tau txais daim duab zoo heev. Muaj 307,200 dots ntawm tus saib.
Ntawm qhov tod tes, ib qho uas nrov tshaj plaws niaj hnub no yog tus qauv daws teeb meem HD Npaj (lossis 1366x768) . Qhov ntsuas no yog qhov zoo rau cov cuab yeej siv nyiaj hauv chav kawm, uas muaj rau kev yuav khoom los ntawm cov neeg sawv cev ntawm txhua chav kawm ntawm cov pej xeem ntawm peb lub tebchaws. HD Npaj yog qhov raug rau TVs uas tsis loj dua 45 ntiv. Nyob rau tib lub sijhawm, kom ntseeg tau qhov siab tshaj plaws ntawm daim duab nrog 1366 × 768 qhov ntsuas, qhov yuav tsum tau muab rau cov khoom siv nrog lub vijtsam kab pheeb ces kaum ntawm 20-25 ntiv (cov no yog cov lus pom zoo ntawm cov kws tshaj lij).
Nyob rau tib lub sijhawm, daim duab nrog HD Npaj daws teeb meem yog dav dav, txij li qhov sib piv hauv qhov no yog nyob hauv qhov piv txwv ntawm 16: 9.
Yog tias koj yuav lub TV uas muaj peev xwm ntawm lub vijtsam daws teeb meem hom ntawv, tom qab ntawd koj tuaj yeem saib cov ntsiab lus hauv analog thiab digital format. Nyob rau tib lub sijhawm, daim duab nws tus kheej yuav sib txawv heev (hauv qhov no, koj yuav tsum coj mus rau hauv tus account qhov zoo ntawm TV matrix - siab dua nws yog, ntau dua qhov xim dub yuav yog, feem, yuav tsis muaj tsis xav tau glare). Ib qho ntxiv, 1366 × 768 piv muab cov duab ci, zoo nkauj, nkig thiab ntxaws ntxaws. HD Npaj daws teeb meem sib dhos tau zoo nrog kev ntsuas ntsug ntawm 1,080.
Tib lub sijhawm, raws li cov kws tshaj lij, TV nrog lub vijtsam daws teeb meem ntawm 1920x1080 yog qhov zoo tshaj rau siv hauv tsev (qhov ntsuas no tseem hu ua Full HD). Feem ntau ntawm cov ntsiab lus tau tsim hauv qhov kev daws teeb meem no. Yog tias koj xav yuav qhov kev xaiv nkaus xwb, tom qab ntawd xyuam xim rau TVs nrog lub vijtsam kab pheeb ces kaum tsawg kawg 32 ntiv tes (qhov zoo tshaj yog 45 ntiv tes). Cov duab ua tau zoo ntawm lub TV yuav ua rau xav tsis thoob txawm tias cov neeg siv tau zoo tshaj plaws: koj tuaj yeem txaus siab rau cov ncauj lus kom ntxaws thiab meej nrog cov qib siab ntawm qhov ci thiab sib piv . Ib qho ntxiv, cov duab yuav saturated, thiab cov xim hloov pauv tsis pom (txawm li cas los xij, qhov no, kev tsim khoom thev naus laus zis ntawm TV saib, uas nyob ncaj qha rau ntawm lub khw, yog qhov tseem ceeb heev).
Yog tias koj xav pom cov ntsiab lus multimedia hauv qhov zoo tshaj plaws hauv tsev, tom qab ntawd koj yuav tsum xyuam xim rau Ultra HD (4K) daws teeb meem - 3840 × 2160. Tib lub sijhawm, TV nrog lub vijtsam loj tshaj plaws kab pheeb ces kaum (txog li 80 ntiv tes) yuav dhau los rau koj rau kev yuav khoom.
Cov kev xaiv
Xaiv lub TV nrog qhov kev daws teeb meem zoo tshaj plaws yog qhov haujlwm tseem ceeb thiab muaj lub luag haujlwm. Qhov ntsuas no cuam tshuam rau kev paub dhau los ntawm kev saib video. Hauv cov txheej txheem xaiv thiab yuav khoom siv hauv tsev, koj yuav tsum xyuam xim rau ntau yam tseem ceeb.
Cov kab
Qhov ntsuas xws li tus lej ntawm kab sib raug rau qhov kev daws teeb meem. Piv txwv li, cov khoom siv nrog lub vijtsam daws teeb meem ntawm 1920x1080 muaj 1080 kab.
Zoo dua yuav TVs nrog ntau kab ntau li ntau tau.
Sweep zaus
Lub vijtsam rov ua dua tshiab tau ntsuas hauv hertz (Hz). Yog tias koj xav kom ua tiav cov duab zoo, tom qab ntawd daim duab no yuav tsum yog yam tsawg 200 Hz. Yog tias daim duab no tsawg dua, tom qab ntawd cov duab yuav tsis meej thiab tsis meej pem.
Hom scan hom
Muaj ob hom kev txheeb xyuas: sib cuam tshuam thiab nce qib. Qhov kev xaiv thib ob yog qhov xav tau ntau dua. Qhov sib txawv tseem ceeb ntawm cov hom no yog nyob hauv txoj kev thav duab thav duab . Yog li, nrog kev txheeb xyuas sib cuam tshuam, ib lub thav duab muaj cov khoom sib cais sib cais, thaum kev soj ntsuam txuas ntxiv ua kom ntseeg tau tias muaj kev sib kis ntawm cov duab. Vim yog cov yam ntxwv no, cov TV, cov duab scan uas cuam tshuam, qhia 25 ntas ib ob. Nyob rau tib lub sijhawm, kev vam meej muab qhov ua piv txwv ntawm 50 ntas ib ob.
Kev txiav txim siab hom scan thaum yuav lub TV nws yooj yim heev - nws yog ib qho tseem ceeb uas yuav tau them sai sai rau daim ntawv lo. Yog li, tsab ntawv kuv qhia txog kev txheeb xyuas sib cuam tshuam, thiab tsab ntawv p qhia txog kev vam meej (uas tau pom zoo los ntawm cov kws tshaj lij).
Kev pom qhov loj me
Qhov loj ntawm lub vijtsam TV sib raug rau nws kab pheeb ces kaum. Niaj hnub no, kev ua lag luam muaj khoom siv hauv tsev ntawm ntau qhov ntau thiab tsawg - los ntawm qhov me me mus rau qhov loj me. Thiab nws tseem cuam tshuam rau kev daws teeb meem - qhov loj dua qhov loj me, ntau txoj hauv kev rau xaiv qhov kev daws teeb meem zoo tshaj plaws.
Hauv qhov no, qhov loj me ntawm lub vijtsam yuav tsum raug xaiv nyob ntawm chav uas koj yuav nruab TV. Piv txwv li, nws raug nquahu kom xaiv cov cuab yeej loj hauv chav nyob thiab chav pw, thiab lub TV me me haum rau chav ua noj lossis chav menyuam yaus.
Ib qho ntxiv, koj yuav tsum xav txog kev vam khom ntawm qhov loj ntawm TV thiab qhov deb ntawm lub vijtsam los ntawm lub qhov muag.
Chaw tsim tshuaj paus
Cov kws tshaj lij pom zoo muab kev nyiam rau cov tuam txhab thiab cov npe uas tau ua pov thawj lawv tus kheej zoo hauv kev lag luam khoom siv hauv tsev thiab raug hwm los ntawm cov neeg siv khoom. Txhawm rau kom txaus siab rau qhov kev daws teeb meem siab ntawm koj lub TV (thiab yog li cov duab zoo), tus saib nws tus kheej yuav tsum ua tau raws qee cov qauv (uas tau lees paub thaum lub sijhawm tsim khoom).
Yog tias koj tau coj los ntawm cov xwm txheej tau piav qhia saum toj no thaum xaiv lub TV, tom qab ntawd koj yuav tau txais lub cuab yeej uas yuav ua tau raws li txhua yam koj xav tau.
Yuav ua li cas thiaj paub?
Kev txiav txim siab qhov ntsuas qhov ntsuas ntawm koj lub TV yog qhov yooj yim heev. Qhov no tuaj yeem ua tiav hauv ob peb txoj kev.
Yog li, Thaum yuav lub TV thiab tshuaj xyuas nws qhov ua tau zoo nrog tus pab muag khoom lossis cov kws tshaj lij hauv khw, koj tuaj yeem paub txog qhov kev daws teeb meem ntawm lub vijtsam.
Hauv phau ntawv qhia, uas yog ib qho tseem ceeb ntawm cov ntaub ntawv thiab yuav tsum suav nrog hauv cov qauv txheej txheem, cov chaw tsim khoom xaj cov tshuaj daws teeb meem rau txhua tus qauv tshwj xeeb . Tib lub sijhawm, los ntawm phau ntawv koj tuaj yeem paub tsis yog tsuas yog kev daws teeb meem uas tau teeb tsa los ntawm lub neej ntawd, tab sis kuj tseem muaj cov kev hloov kho uas twb muaj lawm. Hauv TV cov ntawv qhia zaub mov hauv ntu "Chaw", koj tuaj yeem pom qhov ntsuas no.
Qhov zoo ntawm daim duab yuav nyob ntawm qhov ntsuas ntawm lub cuab yeej raws li lub vijtsam daws teeb meem.
Yuav hloov li cas?
Nws yog qhov yooj yim heev los hloov lub vijtsam daws teeb meem (txo lossis nce) hauv koj lub TV.
Yog li, ua ntej koj yuav tsum mus rau cov ntawv qhia zaub mov ntawm cov cuab yeej siv hauv tsev. Qhov no tuaj yeem ua tiav siv khawm sib xws hauv TV lossis ntawm lub vaj huam sib luag sab nraud ntawm cov cuab yeej siv hauv tsev. Tom qab ntawd, koj yuav tsum nkag mus rau ntu teeb tsa. Hauv ntu no, xaiv tshooj uas muaj npe "System Parameters" thiab tom qab ntawd pom qhov kev xaiv "Xaiv Raws Li thiab Cov Lus Txhais Siab Siab". Tom ntej no, koj yuav tsum mus rau ntu "Piv piv thiab daws teeb meem siab" ntu. Tom qab ntawd, ntawm lub vijtsam TV, koj yuav pom lub qhov rai tshwj xeeb uas koj tuaj yeem txiav txim siab qhov ntsuas koj xav tau.
Feem ntau, cov tuam txhab tsim khoom siv khoom siv muab cov neeg siv xaiv ib qho ntawm cov kev daws teeb meem tam sim no:
- 4x3 - qhov piv txwv no thiab kev daws teeb meem sib piv tau suav tias yog ib qho ntawm cov neeg nyiam tshaj plaws thiab tau siv rau cov ntxaij vab tshaus txheem;
- 16x9 (1366 × 768) - qhov kev xaiv no haum yog tias koj muaj TV dav -screen;
- 720p daws teeb meem yog qhov tsim nyog rau cov ntxaij vab tshaus uas tau ua los ntawm qib siab ntawm kev txhais;
- 1080i yog qhov ntsuas ntawm kev xaiv rau dav-screen, lub ntsiab lus TVs;
- lwm txoj kev xaiv yog ua tau.
Tom qab koj tau xaiv qhov kev ntsuas uas xav tau, koj yuav tsum nyem rau ntawm "OK" khawm thiab tawm ntawm cov ntawv qhia zaub mov. Koj qhov kev hloov pauv yuav raug cawm thiab lub vijtsam daws teeb meem yuav hloov pauv. Yog li, kho qhov ntsuas qhov ntsuas tau yooj yim heev - txawm tias ib tus neeg uas tsis muaj kev paub tob txog kev paub txuj ci tuaj yeem tiv nrog txoj haujlwm no.
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