Digital TV receiver. TV receiver. Digital TV

Cov txheej txheem:

Digital TV receiver. TV receiver. Digital TV
Digital TV receiver. TV receiver. Digital TV
Anonim

Koj puas nyiam saib cov yeeb yaj kiab, kis las lossis cov lus nug hauv TV? Puas yog yav tsaus ntuj kev sib sau ntawm tsev neeg ntawm "blue screen" dhau los ua kev coj noj coj ua zoo rau koj? Tom qab ntawd xav txog qhov kev xaiv ntawm yuav ua li cas ua kom lub caij so sib koom ua ke zoo dua. Cov thev naus laus zis niaj hnub txhim kho qhov zoo ntawm kev tshaj tawm. Nws yog txaus los yuav ib tug digital TV receiver thiab koj yuav tau txais cov duab zoo tshaj plaws ntawm lub vijtsam thiab lub suab zoo heev, nrog rau ntau yam ntxiv. Kom nkag siab txog qhov tsis sib xws ntawm kev xaiv cov cuab yeej, cia peb paub nws zoo dua.

digital terrestrial TV receivers
digital terrestrial TV receivers

Nws pib ua li cas

Lub sijhawm ntawm digital TV rau Russia pib xyoo 2010, thaum cov xov tooj cua hauv DVB hom pib pib. Lub teb chaws yuav tau them tag nrho los ntawm 2015. Tab sis TV hauv digital zoo twb ua haujlwm hauv ntau thaj tsam. Cov kev hloov pauv no tau hais los ntawm qhov tseeb tias muaj kev hloov pauv ntawm kev tshaj tawm analogue mus rau cov thev naus laus zis tshiab. Cov TV digital muaj nyob txhua qhov chaw, muab cov teeb liab kis tau zoo dua thiab cov nqi qis dua.

digital TV receiver
digital TV receiver

Pros of digital TV

Kev tsim txiaj ntawm TV tshiabtiam neeg, lav tus saib cov duab zoo tsis muaj distortion thiab meej suab txawm nyob rau theem teeb liab tsawg. Ua tsaug rau kev siv MPEG4 duab compression hom, nws tuaj yeem xa tau ntau dua ntawm cov xov tooj cua hauv TV thiab tsis yog nyob ntawm tus kav hlau txais xov, uas nyob ntawm lub ru tsev siab. Kev tshaj tawm zoo tshaj plaws (txawm tias nyob rau hauv thawj pem teb) yuav muab los ntawm lub thawv ntawv lossis lub receiver. Nws tuaj yeem txuas nrog txhua lub TV uas muaj UHF txuas. Yog li ntawd, qhov kev pabcuam no tam sim no muaj tsis yog rau cov tswv ntawm cov tsev nyob hauv nroog, tab sis kuj nyob hauv lub tebchaws. Ua kom cov dab neeg muaj tseeb, ntau yam digital terrestrial TV receivers los yog, raws li lawv kuj hu ua, set-top boxes los yog receivers. Lawv txuas nrog cov khoom siv ntxiv, ntxiv rau cov kav hlau txais xov. Lawv tuaj yeem ua rau hauv TV lossis ua ib qho khoom sib cais.

digital TV receiver
digital TV receiver

Kev tsim kho thev naus laus zis

DVB-T tshaj tawm pib. Tab sis cov evolution ntawm TV tsis nyob twj ywm. Muaj kev tsim kho tshiab tshaj plaws. Cov qauv DVB-T2 niaj hnub no tau nthuav dav hauv Tebchaws Europe, thiab tom qab ntawd nws tau tsim nyob rau hauv Russia. Txog tam sim no, ob hom kev xa xov hluav taws xob digital ua haujlwm nyob rau hauv tib lub sijhawm, tab sis maj mam qhov thib ob yuav hloov tag nrho thawj. Cov duab yog kis tau nyob rau hauv MPEG4 compressed daim ntawv, nyob rau hauv ib tug dav daws teeb meem ntawm rau puas thiab nees nkaum tsib kab thiab txhawb Dolby AC-3 suab. Kev xa xov hluav taws xob tsis cuam tshuam los ntawm huab cua. Txuas lub receiver TV yog qhov yooj yim heev. Txawm tias ib tus kws tshaj lij tsis muaj peev xwm tiv tau txoj haujlwm no. Tab sis ua ntej, cia peb paub txog cov khoom siv uasmuab lub khw thiab lub vev xaib.

digital TV
digital TV

Kev piav qhia ntawm cov qauv

Cov thawv rau saum lub TV digital tsis tsuas yog muaj peev xwm xa cov duab zoo thiab suab. Lawv kuj muaj lwm yam tseem ceeb. Piv txwv li, lawv tso cai rau koj saib cov duab, mloog suab paj nruag, saib tsos, kaw cov kev pab cuam hauv TV. Raws li txoj cai, ib lub teeb nrog lub TV teeb-saum lub thawv suav nrog cov chaw taws teeb tswj thiab ib qho tshwj xeeb cable. Ntawm cov qauv, peb tuaj yeem hais txog Mystery MMP-70DT2. Tus txais digital txhawb AVI, MKV tawm tswv yim. Muaj HDMI, AV connectors. Nws muaj USB interface. Zoo meej rau DVB-T thiab DVB-T2 TV hom yog Supra SDT-92 digital TV receiver. Nws muaj txoj kev sib txuas offline thiab FM tuner. Mdi DBR-901 txais yuav yog qhov kev xaiv zoo. Nws yog tag nrho sib xws nrog TV hom nyob rau hauv Russia. Nws tuaj yeem txuas tsis tau tsuas yog rau TV, tab sis kuj rau lub khoos phis tawj saib, siv los ua media player. Lub thawv teeb saum toj kawg nkaus txhawb ntau lub suab thiab video tawm tswv yim. Muaj ib qho HDMI tso zis rau kev tsim cov duab zoo. Nws yog qhov yooj yim los siv cov khawm tswj nyob rau ntawm lub vaj huam sib luag pem hauv ntej ntawm lub cuab yeej. Nws muaj lub luag haujlwm ntawm kev kaw cov kev pab cuam TV ntawm ib qho chaw sab nraud txuas nrog USB. Nws yog qhov yooj yim heev rau ncua cov kev pab cuam nyob thiab rov qab mus saib los ntawm qhov chaw koj tawm mus. Cov ntawv qhia zaub mov saum toj kawg nkaus hauv Lavxias. Nws muaj peev xwm hloov kho lub receiver software. Muaj lub timer uas tig rau ntawm lub cuab yeej,kaw cov kev pab cuam thiab kaw lub thawv teeb saum toj kawg nkaus. Lub D-COLOR receiver muaj lub luag haujlwm ntawm tus neeg siv xov xwm. Ua haujlwm kom tau txais cov xov tooj cua hauv av, kaw cov haujlwm, rov ua cov duab hauv Full-HD hom. Nyob ntawm tus qauv, tus txais TV digital muab ntau tshaj li HD raws nkaus xwb. Tab sis nws kuj tseem muaj cov haujlwm thiab cov yam ntxwv hauv qab no: sau thiab rov ua haujlwm ntawm TV hauv daim npav flash lossis hard disk, sub title kev txhawb nqa, phau ntawv qhia hluav taws xob, teletext.

tv receiver
tv receiver

Txoj kev sib txuas

Txhua yam yooj yim heev. Thaum pib, koj yuav tsum txuas lub digital TV receiver rau lub kav hlau txais xov (nws tuaj yeem nyob sab hauv lossis sab nraum zoov). Tam sim no koj yuav tsum txuas lub npov saum toj kawg nkaus rau lub TV uas siv cov hlua tshwj xeeb (HDMI, tulip, scart). Tom qab ntawd koj yuav tsum txuas lub receiver mus rau lub qhov hluav taws xob, thiab tsuas yog tom qab ntawd - TV. Tam sim no peb yuav tsum tau kho cov duab. Xaiv hom video ntawm TV. Cov ntawv qhia zaub mov console yuav tshwm sim ntawm qhov screen. Tom qab nws pib-tuning ntawm cov channel tiav, xaiv cov khoom "Txuag". Tom qab ntawd ua raws li cov lus qhia rau tus txais. Tom qab ntawd, koj tuaj yeem saib TV raws.

tricolor tv thib ob receiver
tricolor tv thib ob receiver

Cov neeg siv tshuaj xyuas

Cov neeg siv khoom tuaj yeem txaus siab rau qhov zoo uas tus txais TV digital muaj: tus nqi pheej yig, muaj peev xwm tsis them nyiaj ntau dua rau lub TV tshiab nrog lub receiver built-in, zoo heev duab thiab suab zoo. Feem ntau, tau paub txog cov yam ntxwv ntawm lub thawv teeb tsa rau digital TV thiab cov lus qhia txog lawv, koj tuaj yeem uaxaus. Lub receiver yog qhov kev daws teeb meem zoo tshaj plaws rau kev xis nyob thiab ua tau zoo ntawm kev saib TV. Cov khoom siv zoo li no coj TV digital mus rau qib tom ntej.

Tricolor TV

Lavxias cov tuam txhab muab lawv cov neeg rau npe nrog lub sijhawm kom txaus siab rau txhua qhov zoo ntawm digital TV. Piv txwv li, "Tricolor TV" tau muab los yuav tus txais thib ob kom tau txais cov TV digital rau kev nce qib ntawm tus nqi pheej yig. Txuas lub thawv ntxiv rau lub TV thib ob yog qhov yooj yim heev. Nws tsuas yog siv koj li peb lub hlis twg ntawm ib teev. Thaum xub thawj, koj yuav tsum de-energize ob qho khoom siv (receiver thiab TV). Tom qab ntawd koj yuav tsum tau txuas cov connectors uas muaj nrog lub teeb-saum lub thawv rau lub tshwj xeeb cable F. Tom qab ntawd lub satellite divider tau teeb tsa, qhov tseeb dua, lub satellite divider tau teeb tsa ntawm txhua qhov chaw hauv lub cable uas txuas lub kav hlau txais xov thiab receiver. Cov hlua tam sim no tuaj yeem txuas rau qhov txuas thib ob. Tom qab ntawd koj yuav tsum txuas lub receiver rau TV raws li cov lus qhia. Tam sim no koj tuaj yeem pib kho cov channel hauv TV siv lub npov saum toj kawg nkaus tswj chaw taws teeb.

Pom zoo: