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DVB-T & DVB-T2: Phau Ntawv Qhia Pib Pib

Zoo siab txais tos rau peb cov lus qhia luv luv ntawm DVB-T thiab DVB-T2, ob lub ntsiab lus tseem ceeb hauv kev tshaj tawm xov xwm digital. Hauv tsab xov xwm no, peb yuav tshawb txog cov yam ntxwv, kev siv, thiab cov txiaj ntsig ntawm cov thev naus laus zis no. Koj tseem yuav pom yuav ua li cas FMUSER's DVB-T/T2 rau IP rooj vag kev daws teeb meem tuaj yeem hloov pauv kev lom zem hauv chav hauv tsev so thiab chaw so.

Txawm hais tias koj tab tom nrhiav hloov kho koj lub TV faib tawm lossis nyob twj ywm paub txog kev nce qib tshiab hauv kev tshaj tawm digital, phau ntawv qhia no yog rau koj. Thaum kawg ntawm tsab xov xwm no, koj yuav tau txais kev nkag siab zoo thiab kev tshoov siab los txhawb koj qhov kev paub hauv TV thiab ua rau muaj kev xav ntev ntev rau koj cov qhua.

Koom nrog peb thaum peb qhib lub peev xwm ntawm DVB-T thiab DVB-T2, thiab tshawb txog lub zog hloov pauv ntawm FMUSER cov thev naus laus zis. Cia peb pib!

Kev piav qhia luv luv ntawm DVB-T thiab DVB-T2

Digital Video Broadcasting-Terrestrial (DVB-T) thiab Digital Video Broadcasting-Terrestrial Second Generation (DVB-T2) yog cov qauv rau kev tshaj tawm digital terrestrial TV. DVB-T tau qhia ua thawj tiam ntawm kev xa xov tooj cua digital, thaum DVB-T2 sawv cev rau kev nce qib tseem ceeb hauv cov thev naus laus zis no.

DVB-T siv cov txheej txheem kev hloov pauv hu ua COFDM (Coded Orthogonal Frequency Division Multiplexing) los xa cov teeb liab digital hla cov huab cua. Nws muab cov duab zoo dua thiab lub suab zoo dua piv rau kev tshaj tawm analog, nrog rau cov yam ntxwv ntxiv xws li cov lus qhia hauv hluav taws xob (EPGs) thiab cov kev pabcuam sib tham sib.

DVB-T2, ntawm qhov tod tes, txhim kho lub peev xwm ntawm DVB-T los ntawm kev sib koom ua ke ntau dua kev hloov kho thiab cov txheej txheem coding. Nrog DVB-T2, cov tshaj tawm xov xwm tuaj yeem xa cov ntsiab lus ntau ntxiv hauv qhov muaj bandwidth, uas ua rau muaj cov ntaub ntawv ntau dua, txhim kho kev ua haujlwm, thiab kev txais tos zoo dua.

Qhov tseem ceeb thiab qhov tseem ceeb ntawm ob DVB technologies

Kev taw qhia ntawm DVB-T thiab nws cov evolution tom ntej rau DVB-T2 tau revolutionized TV tshaj tawm. Cov thev naus laus zis no muaj ntau qhov txiaj ntsig tseem ceeb ntawm kev sib kis analog:

Txhim kho zoo: DVB-T thiab DVB-T2 muab cov suab thiab yees duab zoo dua, xa cov duab zoo dua, cov xim zoo nkauj, thiab lub suab meej dua piv rau cov kev tshaj tawm analog.
Ntau Channels: Los ntawm kev siv cov compression algorithms ua tau zoo thiab kev siv spectrum zoo dua, DVB-T thiab DVB-T2 tso cai rau cov neeg tshaj tawm xov xwm xa tawm ntau txoj hauv kev nyob rau tib lub zaus band, muab cov neeg saib ntau ntau ntawm cov ntsiab lus xaiv.
Sib tham sib Services: DVB-T thiab DVB-T2 pab kom muaj kev sib tham sib nta xws li EPGs, on-screen menus, subtitles, thiab sib tham sib advertisements, txhim kho cov neeg siv kev paub thiab muab lub sij hawm tshiab rau cov ntsiab lus muab kev pab.
Spectrum Efficiency: DVB-T2 cov txheej txheem coding siab heev ua rau muaj txiaj ntsig zoo ntawm kev siv cov spectrum, txo cov bandwidth uas yuav tsum tau thiab ua kom muaj peev xwm muab cov peev txheej muaj txiaj ntsig zoo rau lwm cov kev pabcuam.
Kev pov thawj yav tom ntej: Raws li kev lag luam tshaj tawm digital txuas ntxiv mus ntxiv, DVB-T2 muab lub platform hloov tau yooj yim uas tuaj yeem ua kom haum rau yav tom ntej kev txhim kho thiab thev naus laus zis, ua kom lub neej ntev thiab ua tau zoo nrog kev txhim kho yav tom ntej.

Qhov tseem ceeb ntawm DVB-T thiab DVB-T2 yog qhov tseem ceeb ntxiv los ntawm lawv txoj kev saws me nyuam thoob plaws ntiaj teb, ua rau kev hloov pauv digital thiab kev hloov pauv ntawm analog mus rau digital TV tshaj tawm. Cov thev naus laus zis no tau ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov kev paub dhau los, nthuav tawm cov channel nthuav tawm, thiab nthuav txoj hauv kev rau cov kev pabcuam tshiab thiab kev tsim kho tshiab hauv kev lag luam tshaj tawm.

Lub ntsiab lus ntawm DVB-T thiab DVB-T2

Kev piav qhia ntawm DVB-T thiab nws cov nta

DVB-T, los yog Digital Video Broadcasting-Terrestrial, yog tus qauv rau kev tshaj tawm hauv xov tooj cua uas siv hauv av (dhau saum huab cua). Nws ua haujlwm COFDM cov qauv kev hloov pauv, uas faib cov ntaub ntawv digital rau hauv cov kwj me me thiab xa lawv ib txhij dhau ntau zaus. Cov txheej txheem no txhim kho kev txais tos zoo los ntawm kev txo cov kev cuam tshuam ntawm kev cuam tshuam ntau yam, ua rau muaj kev txhim kho kev tiv thaiv rau cov teeb liab degradation los ntawm obstacles xws li vaj tse lossis struts.

DVB-T muaj ntau yam tseem ceeb:

Zoo dua duab thiab suab zoo: DVB-T tso cai rau kev sib kis ntawm high-txhais (HD) thiab standard-txhais (SD) cov teeb liab TV, ua rau cov duab zoo dua qub thiab meej. Nws kuj txhawb ntau lub suab tawm tswv yim, suav nrog lub suab ib puag ncig, muab kev paub txog lub suab zoo.
Electronic Program Guide (EPG): DVB-T suav nrog EPG, uas tso cai rau cov neeg saib nkag mus rau lub sijhawm ua haujlwm, cov ncauj lus kom ntxaws txog kev ua yeeb yam, thiab taug kev los ntawm cov channel tsis muaj zog. EPG txhim kho cov neeg siv kev paub dhau los los ntawm kev ua kom cov neeg saib tuaj yeem npaj lawv cov kev saib TV thiab nrhiav cov ntsiab lus tshiab yooj yim.
Sib tham sib Services: DVB-T pab txhawb kev pabcuam kev sib tham xws li kev pov npav sib tham, kev ua si, thiab cov ntsiab lus ntawm qhov xav tau. Cov neeg saib tuaj yeem koom nrog cov ntsiab lus, koom nrog hauv kev xaiv tsa, thiab nkag mus rau cov ntaub ntawv ntxiv ntsig txog cov kev tshaj tawm.

Txheej txheem cej luam ntawm DVB-T2 thiab nws cov peev xwm txhim kho

DVB-T2, tiam thib ob ntawm kev tshaj tawm hauv av, ua raws li kev vam meej ntawm DVB-T thiab qhia ntau yam kev nce qib los txhim kho cov kev tshaj tawm hauv TV.

Qee qhov kev ua tau zoo ntawm DVB-T2 suav nrog:

Txhim kho Efficiency: DVB-T2 ntiav cov kev hloov kho thiab coding ntau dua, tso cai rau cov ntaub ntawv ntau dua piv rau DVB-T. Qhov kev ua tau zoo no ua rau cov neeg tshaj tawm xov xwm tuaj yeem xa cov ntsiab lus ntau ntxiv hauv tib lub bandwidth, muab cov neeg saib nrog cov channel ntxiv thiab cov kev pabcuam.
Higher Bitrates: DVB-T2 txhawb nqa bitrates siab dua, tso cai rau kev sib kis ntawm cov ntsiab lus siab txhais nrog ntau dua clarity thiab nthuav dav. Qhov no ua rau cov tshaj tawm xov xwm xa tawm qhov kev pom zoo dua rau cov neeg saib.
Robustness hauv Challenging Environments: DVB-T2 suav nrog sophisticated yuam kev kho algorithms thiab advanced teeb liab ua cov txheej txheem. Qhov no txhim kho lub cev tiv thaiv kom tsis txhob muaj teeb meem teeb meem, ua rau kev txhim kho kev txais tos zoo txawm tias nyob hauv ib puag ncig nyuaj.

Cov txiaj ntsig ntawm kev hloov kho dua los ntawm DVB-T rau DVB-T2

Hloov kho dua los ntawm DVB-T rau DVB-T2 muaj ntau yam txiaj ntsig zoo rau ob tus tshaj tawm thiab cov neeg saib:

Ntau Channels thiab Services: DVB-T2 qhov nce spectrum efficiency tso cai rau cov tshaj tawm xov xwm muab ntau dua ntawm cov channel thiab cov kev pab cuam nyob rau hauv qhov muaj bandwidth. Cov neeg saib tuaj yeem txaus siab rau ntau yam kev xaiv ntawm cov ntsiab lus, suav nrog cov ntsiab lus siab thiab cov kev pabcuam sib tham sib.
Txhim kho duab thiab suab zoo: DVB-T2 txhawb nqa cov bitrates siab dua thiab kev daws teeb meem, ua rau cov tshaj tawm xov xwm xa cov ntsiab lus siab nrog kev pom tseeb dua thiab nthuav dav. Cov neeg saib tuaj yeem txaus siab rau cov duab zoo nkauj, cov xim zoo nkauj, thiab lub suab nrov, txhim kho lawv cov kev paub saib TV tag nrho.
Kev pov thawj yav tom ntej: DVB-T2 yog tsim los kom haum rau yav tom ntej kev nce qib thiab hloov kho tshiab hauv kev tshaj tawm cov thev naus laus zis. Los ntawm kev hloov kho rau DVB-T2, cov tshaj tawm thiab cov neeg saib tuaj yeem ua kom lawv cov tshuab ua tau zoo nrog cov kev txhim kho yav tom ntej, ua kom lub neej ntev thiab qhov cuam tshuam ntawm lawv cov khoom siv.
Efficiency Spectrum Siv: Kev txais yuav ntawm DVB-T2 ua rau kev siv spectrum zoo dua, tso cai rau cov neeg tshaj tawm xov xwm xa cov ntsiab lus ntxiv thaum tso tawm cov zaus muaj txiaj ntsig rau lwm cov kev pabcuam. Qhov no ua rau muaj txiaj ntsig zoo rau kev siv xov tooj cua spectrum thiab txhawb kev xav tau ntau ntxiv rau cov kev pabcuam wireless.

Zuag qhia tag nrho, kev hloov kho dua tshiab los ntawm DVB-T rau DVB-T2 coj ntau qhov zoo, suav nrog kev muaj peev xwm channel ntxiv, txhim kho cov duab thiab suab zoo, kev sib raug zoo yav tom ntej, thiab kev siv spectrum zoo. Cov txiaj ntsig ua rau kev hloov mus rau DVB-T2 yog qhov kev xaiv zoo rau cov tshaj tawm thiab cov neeg saib ib yam.

Kev sib piv ntawm DVB-T thiab DVB-T2

1. Kev sib kis tau zoo thiab kev ua haujlwm zoo

Thaum sib piv DVB-T thiab DVB-T2 nyob rau hauv cov nqe lus ntawm kis tau tus mob efficiency thiab kev ua tau zoo, DVB-T2 kom meej meej outshines nws predecessor. DVB-T2 siv cov kev hloov kho thiab coding ntau dua, xws li LDPC (Low-Density Parity Check) thiab BCH (Bose-Chaudhuri-Hocquenghem) cov lis dej num, ua rau cov ntaub ntawv ntau dua thiab txhim kho kev txais tos zoo.

Kev txhim kho kev ua tau zoo ntawm DVB-T2 tso cai rau cov neeg tshaj tawm xov xwm xa cov ntsiab lus ntau ntxiv hauv qhov muaj bandwidth. Qhov no txhais tau tias cov neeg saib tuaj yeem txaus siab rau ntau cov channel thiab cov kev pabcuam yam tsis muaj kev cuam tshuam zoo. Tsis tas li ntawd, DVB-T2 qhov kev txhim kho kev ua yuam kev muaj peev xwm kho tau thiab cov teeb liab ua cov txheej txheem ua rau muaj kev sib kis tau zoo dua thiab txhim khu kev qha, txo cov teeb liab degradation thiab txhim kho kev txais tos hauv cov cheeb tsam nyuaj.

2. Bandwidth yuav tsum tau thiab spectrum siv

DVB-T2 muaj superior bandwidth efficiency piv rau DVB-T. Los ntawm kev siv cov txheej txheem coding ntau dua, DVB-T2 tuaj yeem xa cov ntsiab lus tib yam lossis ntau dua hauv qhov nqaim bandwidth. Qhov kev siv tau zoo ntawm cov peev txheej spectrum yog qhov tseem ceeb tshwj xeeb vim qhov kev thov rau cov kev pabcuam wireless thiab qhov tsis txaus ntawm cov zaus muaj txuas ntxiv mus ntxiv.

Kev txhim kho spectrum siv DVB-T2 muaj qhov cuam tshuam tseem ceeb, vim nws tso cai rau kev hloov pauv ntawm cov peev txheej muaj txiaj ntsig zoo rau lwm cov kev pabcuam, xws li kev sib txuas lus hauv xov tooj lossis broadband internet. Los ntawm kev ua kom zoo rau kev siv cov zaus muaj, DVB-T2 pab txhawb kev siv xov tooj cua zoo dua, muaj txiaj ntsig zoo rau cov tshaj tawm thiab lwm cov chaw muab kev pabcuam wireless.

3. Compatibility nrog cov khoom uas twb muaj lawm

Ib qho ntawm qhov zoo ntawm DVB-T2 yog nws rov qab sib raug zoo nrog cov khoom siv DVB-T uas twb muaj lawm. Qhov no txhais tau hais tias cov neeg saib nrog DVB-T receivers tseem tuaj yeem tau txais DVB-T tshaj tawm txawm tias tom qab hloov mus rau DVB-Thiab, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov neeg saib siv cov khoom siv DVB-T yuav tsis tuaj yeem tau txais txiaj ntsig los ntawm kev txhim kho kev muaj peev xwm thiab txhim kho kev ua tau zoo. ntawm DVB-T2 tshaj tawm.

Txhawm rau kom txaus siab rau qhov zoo ntawm DVB-T2, cov neeg saib yuav tsum tau hloov kho lawv cov khoom siv rau DVB-T2-tshaj receivers. Hmoov zoo, raws li kev txais yuav ntawm DVB-T2 nce, qhov muaj thiab pheej yig ntawm cov khoom siv sib xws kuj tseem txhim kho. Cov tshaj tawm thiab cov tuam txhab tsim khoom ua haujlwm ua ke los xyuas kom muaj kev hloov pauv ntawm DVB-T mus rau DVB-T2, txo qhov tsis txaus siab rau cov neeg saib.

Nov yog lub rooj sib piv uas qhia txog qhov sib txawv tseem ceeb ntawm DVB-T thiab DVB-T2:

Lub Ntsiab Tseem Ceeb	DVB-T	DVB-T2
efficiency	Tsawg spectrum efficiency, txwv channel muaj peev xwm nyob rau hauv tib lub bandwidth	Ntau dua spectrum efficiency, nce channel muaj peev xwm, zoo dua siv cov zaus muaj
robustness	Tsawg zog nyob rau hauv ib puag ncig nyuaj nrog qib siab ntawm ntau txoj kev cuam tshuam	Ntau zog, cov txheej txheem coding siab heev thiab teeb liab ua algorithms txo cov teeb liab degradation, txhim kho kev txais tos zoo
Bitrate thiab daws teeb meem	Tsawg bitrate, txwv kev txhawb nqa rau cov ntsiab lus siab (HD).	Ntau dua bitrate, txhawb cov ntsiab lus siab nrog kev daws teeb meem ntau dua
compatibility	Cov qauv siv dav dav, sib xws nrog DVB-T receivers uas twb muaj lawm	Rov qab sib xws nrog DVB-T receivers, cov neeg saib nrog DVB-T receivers tseem tuaj yeem tau txais DVB-T tshaj tawm, tab sis yuav tsis tau txais txiaj ntsig los ntawm kev txhim kho lub peev xwm.
Yav tom ntej-Cov pov thawj	Tsawg lub peev xwm yav tom ntej rau kev txhim kho thiab kev nce qib	Tsim los rau kev txhim kho yav tom ntej, haum rau kev nce qib hauv kev tshaj tawm cov thev naus laus zis

Keeb kwm thiab kev txais yuav DVB-T thiab DVB-T2

Txheej txheem cej luam ntawm txoj kev loj hlob ntawm DVB-T

Txoj kev loj hlob ntawm DVB-T pib thaum xyoo 1980s thaum qhov kev xav tau ntawm tus qauv digital rau kev tshaj tawm hauv av hauv av tau pom meej. Qhov project Digital Video Broadcasting (DVB), pib los ntawm European Broadcasting Union (EBU), txhawm rau tsim kom muaj cov txheej txheem rau kev xa xov tooj cua digital.

Tom qab xyoo ntawm kev tshawb fawb thiab kev sib koom tes, thawj version ntawm DVB-T tau luam tawm nyob rau hauv 1997, tso lub hauv paus rau digital terrestrial TV tshaj tawm. Tus txheej txheem tau dhau los ua kev kho dua tshiab thiab kev txhim kho los txhim kho kev txais tos zoo, nce kev ua tau zoo, thiab txhawb nqa cov kev pabcuam ntxiv.

Cov neeg saws ntxov ntxov thiab lub teb chaws ua tus thawj coj DVB-T

Kev txais yuav DVB-T tau txais lub zog nyob rau thaum ntxov 2000s, nrog ntau lub teb chaws coj txoj hauv kev hauv kev siv thiab siv cov thev naus laus zis no. Qee cov neeg siv khoom thaum ntxov ntawm DVB-T suav nrog:

United Kingdom: Lub tebchaws United Kingdom yog ib qho ntawm cov pioneers hauv kev txais yuav DVB-T rau digital terrestrial TV tshaj tawm. Nws tau pib nws thawj DVB-T cov kev pabcuam hauv xyoo 1998 thiab ua tiav cov kev hloov pauv digital hauv xyoo 2012, hloov pauv los ntawm analog mus rau kev tshaj tawm digital.
Lub teb chaws Yelemees: Lub teb chaws Yelemees pib nws txoj kev siv DVB-T hauv xyoo 2002, maj mam nthuav dav thoob plaws lub tebchaws. DVB-T tau dhau los ua tus qauv rau TV hauv av hauv tebchaws Yelemes, muab cov neeg saib nrog cov duab thiab suab zoo.
Ltalis: Ltalis tau txais DVB-T nyob rau hauv thaum ntxov 2000s, nrog rau kev sim pib nyob rau hauv 2003 thiab kev lag luam cov kev pab cuam launched nyob rau hauv 200Lub teb chaws tau ntsib ib tug tseem ceeb hloov los ntawm analog mus rau digital broadcasting, txhim kho lub TV saib rau Italian viewers.

Cov neeg saws me nyuam ntxov no tau ua lub luag haujlwm tseem ceeb hauv kev tsim DVB-T raws li tus qauv rau kev tshaj tawm hauv xov tooj cua hauv av, ua txoj hauv kev rau nws txoj kev saws me nyuam thoob ntiaj teb.

Taw qhia ntawm DVB-T2 thiab nws qhov kev lees paub thoob ntiaj teb

Tsim los ntawm kev ua tiav ntawm DVB-T, kev txhim kho ntawm DVB-T2 tau pib xyoo 2006, tau tsav los ntawm kev xav tau kev txhim kho ntxiv hauv kev ua tau zoo, muaj peev xwm, thiab kev txais tos zoo. DVB-T2 aims los hais txog qhov kev thov loj hlob rau cov ntsiab lus siab thiab muab lub platform tshaj tawm muaj zog thiab muaj txiaj ntsig zoo.

DVB-T2 tau tshaj tawm raws li kev hloov pauv hloov pauv, muab rov qab sib raug zoo nrog cov khoom siv DVB-T uas twb muaj lawm. Qhov no tau ua kom muaj kev hloov pauv zoo rau cov neeg tshaj tawm thiab cov neeg saib, tso cai rau lawv hloov kho lawv cov tshuab maj mam thaum tseem tau txais DVB-T tshaj tawm.

Kev taw qhia ntawm DVB-T2 tau ntsib nrog kev lees paub thoob ntiaj teb, raws li cov teb chaws tau lees paub cov txiaj ntsig uas nws tau muab rau hauv cov nqe lus ntawm kev txhim kho kev ua haujlwm thiab txhim kho kev pom. Niaj hnub no, DVB-T2 tau dhau los ua tus qauv nyiam tshaj plaws rau kev tshaj tawm xov xwm hauv av hauv ntau thaj chaw thoob ntiaj teb.

Devices thiab Taw qhia rau DVB-T thiab DVB-T2

Kev piav qhia ntawm cov cuab yeej txhawb nqa DVB-T

Cov cuab yeej txhawb nqa DVB-T yog tsim los kom tau txais thiab txiav txim siab digital terrestrial TV signals. Cov khoom siv no suav nrog:

DVB-T Receivers: Cov khoom siv no, tseem hu ua lub thawv teeb lossis cov TV txais digital, txuas rau lub TV thiab tau txais DVB-T cov teeb liab saum huab cua. Lawv txiav txim siab cov teeb liab digital thiab hloov lawv mus rau hauv cov suab thiab video tso tawm uas tuaj yeem tso tawm ntawm lub vijtsam TV.
Integrated Digital TVs (IDTVs): IDTVs muaj built-in DVB-T tuners, tshem tawm qhov xav tau rau ib tug neeg txais sab nraud. Lawv tuaj yeem tau txais DVB-T cov teeb liab ncaj qha thiab tso saib cov ntsiab lus hauv TV digital yam tsis tas yuav tsum muaj lub thawv teeb tsa ntxiv.

Nta thiab specifications ntawm DVB-T tau tshaj li

DVB-T sib xws li muaj ntau yam nta thiab specifications los txhim kho cov kev pom. Qee qhov zoo sib xws muaj xws li:

Electronic Program Guide (EPG): DVB-T cov khoom siv feem ntau suav nrog EPG, tso cai rau cov neeg siv saib cov sijhawm ua haujlwm thiab cov ntsiab lus. EPG tso cai rau cov neeg siv taug kev los ntawm cov channel, teeb tsa kev ceeb toom rau cov yeeb yam nyiam, thiab nkag mus rau cov ntaub ntawv ntxiv txog cov ntsiab lus tau tshaj tawm.
Ntau hom lus xaiv: DVB-T li feem ntau muab cov lus xaiv rau lub suab thiab subtitles, tso cai rau cov neeg saib xaiv lawv cov lus uas lawv nyiam rau lub playback los yog pab subtitles rau kev nkag tau zoo dua.
Duab thiab suab Settings: DVB-T cov khoom siv feem ntau muaj ntau yam duab thiab suab teeb tsa, tso cai rau cov neeg siv los kho lawv cov kev paub pom. Cov kev teeb tsa no yuav suav nrog cov kev xaiv los kho qhov ci, qhov sib piv, xim saturation, thiab suab sib npaug.
Connectivity Options: Ntau cov khoom siv DVB-T tuaj nrog cov kev xaiv sib txuas xws li HDMI, USB, thiab Ethernet ports. Cov kev sib txuas no tso cai rau cov neeg siv txuas cov khoom siv sab nraud, xws li gaming consoles, media player, lossis streaming li, txhawm rau txhim kho lawv cov kev lom zem.

Kev nce qib thiab kev txhim kho hauv DVB-T2 li

DVB-T2 cov cuab yeej suav nrog kev nce qib thiab kev txhim kho dua lawv cov neeg ua ntej kom xa tau lub zog zoo dua thiab muaj txiaj ntsig zoo saib TV. Qee qhov kev nce qib tseem ceeb suav nrog:

Kev ua haujlwm siab dua: DVB-T2 cov khoom siv feem ntau muaj cov txheej txheem nrawm dua thiab txhim kho kho vajtse muaj peev xwm, ua kom muaj kev ua si zoo ntawm cov ntsiab lus siab thiab kev taw qhia seamless los ntawm cov kev pabcuam sib tham.
Kev them nyiaj yug HEVC: DVB-T2 li feem ntau txhawb High-Efficiency Video Coding (HEVC), tseem hu ua H.26HEVC yog ib tug video compression qauv uas tso cai rau kom ntau npaum encoding thiab decoding ntawm video ntsiab lus, ua kom zoo dua video kis tau tus mob nyob rau hauv tib lub bandwidth.
Ua kom muaj peev xwm cia: Qee cov khoom siv DVB-T2 yuav suav nrog built-in cia lossis txhawb nqa cov khoom siv sab nraud, ua rau cov neeg siv sau thiab khaws cov kev pabcuam hauv TV rau kev saib tom qab. Cov yeeb yam no txhim kho qhov yooj yim thiab yooj yim ntawm kev txaus siab rau cov ntsiab lus ntawm lub sijhawm uas haum rau tus neeg saib.
Kev sib txuas ntxiv: DVB-T2 li feem ntau muab kev txhim kho kev sib txuas, xws li Wi-nkaus thiab Bluetooth, tso cai rau cov neeg siv txuas rau Is Taws Nem lossis ua ke lawv cov khoom siv nrog wireless peripherals rau kev nthuav dav.

Cov kev nce qib hauv DVB-T2 cov cuab yeej no ua rau muaj txiaj ntsig zoo dua, muaj txiaj ntsig zoo, thiab cov neeg siv khoom siv hauv TV saib kev paub. Raws li thev naus laus zis txuas ntxiv mus, peb tuaj yeem cia siab tias yuav muaj kev txhim kho ntxiv thiab txhim kho hauv DVB-T2 cov khoom siv kom tau raws li qhov xav tau ntawm cov neeg siv khoom.

Related Terminology ntawm DVB

Kev piav qhia ntawm lwm cov qauv DVB (piv txwv li, DVB-S / S2, DVB-C)

Ntxiv nrog rau DVB-T thiab DVB-T2, qhov project Digital Video Broadcasting (DVB) tau tsim cov qauv rau lwm hom kev xa xov hauv digital:

DVB-S (Digital Video Broadcasting-Satellite): DVB-S yog tus qauv rau cov xov tooj cua digital tshaj tawm ntawm satellite. Nws yog feem ntau siv rau direct-to-tsev satellite TV kev pab cuam, ua rau cov neeg saib nkag mus rau ntau yam ntawm cov channel los ntawm kev txais satellite.
DVB-C (Digital Video Broadcasting-Cable): DVB-C yog tus qauv rau cov xov tooj cua digital tshaj tawm hauv xov tooj cua. Nws tso cai rau cov tswv lag luam xa xov tooj cua xa xov tooj cua digital rau cov neeg siv khoom tshaj lawv cov kab ke uas twb muaj lawm, muab kev nkag mus rau ntau txoj kev thiab cov kev pabcuam sib tham.
DVB-S2 (Digital Video Broadcasting-Satellite Second Generation): DVB-S2 yog ib qho kev txhim kho ntawm DVB-S, muab kev ua tau zoo thiab kev ua haujlwm zoo rau kev tshaj tawm xov tooj cua. Nws nthuav qhia cov kev hloov kho siab thiab coding cov txheej txheem, xws li LDPC (Low-Density Parity Check) coding thiab cov txheej txheem kev txiav txim siab dua, txhawm rau ua kom cov ntaub ntawv dhau los thiab txhim kho kev txais tos zoo.

Kev sib piv ntawm DVB cov qauv thiab lawv cov ntaub ntawv siv

Txhua tus qauv DVB ua haujlwm sib txawv ntawm kev sib kis thiab ua haujlwm sib txawv:

DVB-T: Tsim los rau kev tshaj tawm hauv av, DVB-T yog qhov tsim nyog rau kev xa cov kev pabcuam digital TV los ntawm kev tshaj tawm huab cua mus rau thaj chaw uas muaj kev tshaj tawm hauv av.
DVB-T2: Kev hloov pauv ntawm DVB-T, DVB-T2 muab kev ua haujlwm zoo dua qub, muaj peev xwm ntau dua, thiab txhim kho kev txais tos zoo rau kev tshaj tawm hauv av, txhawb kev sib kis ntawm cov ntsiab lus siab.
DVB-S: Kev tsim kho rau kev tshaj tawm xov xwm hauv xov tooj cua, DVB-S tso cai rau kev xa tawm ntawm ntau txoj hauv kev los ntawm satellite rau cov neeg siv cov tais diav, muab kev nkag mus rau cov ntsiab lus hauv TV, tshwj xeeb tshaj yog nyob rau thaj chaw uas kev tshaj tawm hauv av tau txwv lossis nkag tsis tau.
DVB-C: Tsim los rau kev tshaj tawm xov tooj cua, DVB-C leverages cable networks los faib cov xov tooj cua digital rau cov neeg siv khoom, muab ntau txoj kev xaiv channel thiab kev pabcuam sib tham.
DVB-S2: Tsim raws li lub hauv paus ntawm DVB-S, DVB-S2 muab kev ua tau zoo, muaj peev xwm nce, thiab txhim kho kev txais tos zoo rau kev tshaj tawm xov tooj cua, ua kom muaj txiaj ntsig zoo thiab txhim khu kev xa khoom ntawm cov ntsiab lus hauv xov tooj cua los ntawm satellite network.

Txhua tus qauv DVB muaj nws tus kheej lub zog thiab siv cov rooj plaub, ua rau cov kev sib kis tshwj xeeb thiab hais txog cov kev xav tau ntawm cov kev tshaj tawm sib txawv.

Zoo sib xws thiab sib txawv ntawm DVB-T, DVB-T2, thiab lwm yam qauv

Thaum txhua tus qauv DVB ua haujlwm tshwj xeeb ntawm kev sib kis, muaj ob qho tib si zoo sib xws thiab sib txawv ntawm lawv:

Sib xws:

Tag nrho cov qauv DVB muab kev tshaj tawm hauv xov tooj cua digital, muab cov duab zoo dua thiab lub suab zoo dua piv rau kev tshaj tawm analog.
Lawv txhawb cov kev pabcuam sib tham sib, xws li cov lus qhia hauv kev qhia hluav taws xob (EPGs) thiab cov ntawv sau, ua kom cov neeg saib TV tau paub.
Cov qauv DVB ua raws li lub hauv paus ntsiab lus, ua kom muaj kev sib raug zoo thiab kev sib raug zoo hauv DVB ecosystem.

Txawv:

DVB-T yog tsim los rau kev xa mus rau hauv av, DVB-S rau satellite txais, thiab DVB-C rau cable faib.
DVB-T2 yog ib qho kev txhim kho ntawm DVB-T, muab kev ua haujlwm zoo dua qub, muaj peev xwm nce ntxiv, thiab txhim kho kev txais tos zoo rau kev tshaj tawm hauv av.
DVB-S2 yog ib tug txhim khu kev qha version ntawm DVB-S, qhia advanced modulation thiab coding cov tswv yim kom nce cov ntaub ntawv throughput thiab txhim khu kev txais tos zoo rau satellite broadcasting.

Kev nkag siab txog qhov zoo sib xws thiab qhov sib txawv no pab cov tshaj tawm thiab cov neeg saib kom nkag siab txog cov yam ntxwv ntawm txhua hom kev sib kis thiab xaiv cov qauv tsim nyog rau lawv cov kev xav tau tshwj xeeb tshaj tawm.

Kev siv ntawm DVB-T thiab DVB-T2

Cov Ntawv Cuam Tshuam

TV tshaj tawm thiab txais tos: Ib qho ntawm cov kev siv tseem ceeb ntawm DVB-T thiab DVB-T2 yog TV tshaj tawm thiab txais tos. Cov qauv no tso cai rau kev sib kis ntawm cov xov tooj cua digital, muab cov neeg saib nrog cov duab thiab suab zoo dua piv rau kev tshaj tawm analog. Nrog DVB-T thiab DVB-T2, cov tshaj tawm tuaj yeem xa tawm ntau txoj hauv kev, suav nrog cov ntsiab lus siab, kev sib tham sib, thiab cov kev pabcuam ntxiv xws li cov lus qhia hauv hluav taws xob (EPGs) thiab subtitles. Cov neeg saib tuaj yeem tau txais cov kev tshaj tawm no siv DVB-T / DVB-T2-tshaj cov khoom siv xws li cov thawv teeb tsa, cov TVs sib xyaw ua ke (IDTVs), lossis DVB-T2 txais.
Kev xa tawm thiab xa tawm digital video: DVB-T thiab DVB-T2 kuj pom cov ntawv thov hauv digital video xa mus thiab xa tawm tshaj li kev tshaj tawm hauv TV. Cov qauv no txhawb nqa xa cov ntsiab lus video hla ntau lub network, suav nrog cable, satellite, thiab internet-based platforms. Los ntawm kev siv cov kev ua tau zoo thiab kev ua tau zoo ntawm DVB-T / T2, cov chaw muab kev pabcuam tuaj yeem faib cov ntsiab lus video rau cov neeg tuaj saib dav dua, ua kom muaj kev ua haujlwm zoo thiab xa khoom zoo. Qhov no txuas mus rau cov kev pabcuam xws li video-on-demand (VOD), nyob streaming, thiab IPTV (Internet Protocol TV), ua rau cov neeg saib nkag mus rau ntau cov ntsiab lus video ntawm cov khoom siv sib txawv.
Kev tshaj tawm hauv av: DVB-T thiab DVB-T2 yog cov qauv kev xaiv rau kev tshaj tawm xov xwm hauv av, xa cov ntsiab lus digital rau cov tsev neeg thiab thaj chaw uas muaj kev sib txuas lus hauv av. Lawv tso cai rau cov tshaj tawm xov xwm los muab ntau hom kev tshaj tawm thiab cov kev pabcuam, txhawb kev hloov pauv ntawm analog mus rau digital TV.
Txawb xov tooj: DVB-T thiab DVB-T2 kuj tseem siv tau rau kev tshaj tawm xov tooj ntawm tes, tso cai rau cov neeg saib kom tau txais cov ntsiab lus TV digital ntawm lawv cov khoom siv mobile. Daim ntawv thov no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas cov neeg siv tau txav mus los, xws li hauv tsheb lossis thaum siv cov khoom siv txawb nqa tau. Los ntawm kev siv DVB-T / T2 rau kev tshaj tawm xov tooj ntawm tes, cov tshaj tawm tuaj yeem txuas ntxiv mus txog thiab muab kev nkag mus rau cov ntsiab lus hauv TV ntawm qhov mus.

Tej zaum cov ntawv thov yav tom ntej thiab kev nce qib

Raws li thev naus laus zis txuas ntxiv mus, DVB-T thiab DVB-T2 muaj peev xwm rau kev nce qib ntxiv thiab kev siv. Qee cov ntawv thov yav tom ntej muaj xws li:

Ultra-High Definition (UHD) tshaj tawm: Nrog kev nce qib hauv kev siv thev naus laus zis, qhov kev thov rau UHD cov ntsiab lus yog nce. DVB-T2 tuaj yeem pab txhawb kev sib kis ntawm UHD cov ntsiab lus, tso cai rau cov neeg tshaj tawm kom xa cov duab zoo nkauj thiab kev pom zoo rau cov neeg saib.
Kev sib tham sib thiab kev pabcuam tus kheej: DVB-T2 qhib qhov rooj rau kev sib tham sib ntau thiab kev pabcuam tus kheej. Cov neeg tuaj saib yuav txaus siab rau cov yam ntxwv xws li cov lus pom zoo ntawm tus kheej, cov phiaj xwm tshaj tawm, thiab cov ntawv thov sib tham sib, txhim kho lawv txoj kev koom tes nrog cov ntsiab lus thiab kho qhov kev pom zoo rau lawv nyiam.
Hybrid tshaj tawm: Kev sib koom ua ke ntawm kev tshaj tawm xov xwm thiab kev sib txuas lus broadband tau ua txoj hauv kev rau kev tshaj tawm xov xwm hybrid. Los ntawm kev sib txuas DVB-T / T2 nrog kev sib txuas hauv internet, cov tshaj tawm tuaj yeem muab cov kev pabcuam hybrid uas suav nrog kev tshaj tawm ib txwm muaj nrog kev xav tau ntxiv, streaming, thiab sib tham sib nta.

Cov kev vam meej yav tom ntej thiab cov ntawv thov no qhia txog kev hloov pauv thiab ntau yam ntawm DVB-T thiab DVB-T2 kom tau raws li cov kev xav tau hloov zuj zus ntawm cov tshaj tawm thiab cov neeg saib hauv kev hloov pauv sai sai.

Cov kev sib tw thiab kev txwv ntawm DVB-T thiab DVB-T2 txais yuav

Spectrum muaj thiab teeb meem faib

Ib qho ntawm cov teeb meem tseem ceeb hauv kev txais yuav DVB-T thiab DVB-T2 yog spectrum muaj thiab faib. Raws li cov qauv no xav tau tshwj xeeb zaus bands los xa cov xov tooj cua digital, qhov muaj cov spectrum tsim nyog tuaj yeem txwv qee qhov, cov spectrum yuav tsum tau muab faib los ntawm lwm cov kev pabcuam, uas tuaj yeem tsim teeb meem thiab xav tau kev sib koom tes ntawm ntau tus neeg koom nrog.

Cov teeb meem faib spectrum tuaj yeem tshwm sim los ntawm kev sib tw los ntawm cov kev pabcuam sib txawv, xws li kev sib txuas lus hauv xov tooj lossis wireless broadbanBalancing kev faib thiab kev siv cov peev txheej spectrum kom haum rau ob qho tib si uas twb muaj lawm thiab cov kev pabcuam tshwm sim yog qhov tseem ceeb rau kev ua tiav ntawm DVB-T thiab DVB-T2.

Infrastructure xav tau rau kev xa mus kom tiav

Kev xa tawm DVB-T thiab DVB-T2 yuav tsum muaj kev tsim kho vaj tse tsim nyog, suav nrog cov kav hlau txais xov, kav hlau txais xov, thiab cov teeb liab xa tawm. Kev tsim kho thiab kev tswj xyuas qhov kev tsim kho vaj tse no raug nqi tseem ceeb thiab yuav tsum tau ua tib zoo npaj thiab sib koom tes ntawm cov tshaj tawm xov xwm, cov neeg ua haujlwm hauv network, thiab cov koom haum tswj hwm.

Cov kev xav tau hauv vaj tse tuaj yeem sib txawv nyob ntawm qhov xwm txheej xws li thaj chaw layout, pej xeem ceev, thiab kev pab them nqi kho mob. Kev nthuav dav mus rau thaj chaw nyob deb nroog lossis thaj chaw deb yuav ua rau muaj kev nyuaj ntxiv vim xav tau cov chaw sib kis ntxiv thiab kev nqis peev hauv vaj tse.

Economic teeb meem thiab kev txiav txim siab nqi rau cov tshaj tawm thiab cov neeg siv khoom

Kev txais yuav DVB-T thiab DVB-T2 cuam tshuam txog kev lag luam thiab kev txiav txim siab nqi rau ob tus tshaj tawm thiab cov neeg siv khoom. Rau cov tshaj tawm xov xwm, kev txhim kho lawv cov khoom siv sib kis los txhawb DVB-T2 tuaj yeem yog ib qho kev nqis peev tseem ceeb. Tsis tas li ntawd, cov nqi cuam tshuam nrog kev tau txais daim ntawv tso cai, spectrum nqi, thiab ua raws li cov cai tswj hwm tuaj yeem ntxiv rau lub nra nyiaj txiag.

Ib yam li ntawd, cov neeg siv khoom yuav tsum xav txog tus nqi ntawm kev txhim kho lawv cov khoom siv hauv TV kom sib haum nrog DVB-T2 tshaj tawm. Qhov no suav nrog kev yuav khoom tshiab DVB-T2-tshaj TVs lossis cov thawv teeb tsa, uas tuaj yeem ua rau muaj kev cuam tshuam rau kev saws me nyuam, tshwj xeeb tshaj yog rau cov neeg saib uas muaj kev txwv nyiaj txiag lossis TV qub uas tsis sib xws.

Hloov cov kev sib tw los ntawm analog mus rau digital tshaj tawm

Kev hloov pauv ntawm analog mus rau digital tshaj tawm ua rau muaj ntau yam teeb meem. Nws koom nrog kev qhia ntawv thiab qhia rau pej xeem txog cov txiaj ntsig ntawm digital TV thiab coj lawv los ntawm cov txheej txheem ntawm kev siv cov thev naus laus zis tshiab. Ua kom muaj kev hloov pauv tau yooj yim yuav tsum tau ua tib zoo npaj, cov tswv yim sib txuas lus zoo, thiab kev txhawb nqa rau cov neeg saib thaum lub sijhawm hloov pauv analog.

Tsis tas li ntawd, kev sib koom ua ke ntawm analog thiab digital tshaj tawm hauv lub sijhawm hloov pauv tuaj yeem tsim qhov nyuaj hauv kev tswj hwm spectrum thiab kev tshaj tawm xov xwm. Kev sib koom tes ntawm cov tshaj tawm xov xwm, cov tswj hwm, thiab cov tuam txhab tsim khoom yog qhov tseem ceeb los xyuas kom muaj kev hloov pauv tsis sib haum thiab txo qis kev cuam tshuam rau cov tshaj tawm thiab cov neeg saib.

Kev kov yeej cov teeb meem no yuav tsum muaj kev sib koom tes ntawm cov neeg koom nrog, cov txheej txheem kev tswj hwm zoo, thiab kev nqis peev txaus hauv kev tsim kho vaj tse thiab kev kawm rau cov neeg siv khoom. Hais txog cov kev txwv thiab cov teeb meem no yog qhov tseem ceeb rau kev ua tiav thiab kev lees paub dav dav ntawm DVB-T thiab DVB-T2 raws li cov qauv rau kev tshaj tawm xov xwm hauv av.

Kev txhim kho yav tom ntej thiab kev sib tw hauv DVB-T thiab DVB-T2

Tshawb nrhiav cov peev xwm txhim kho thiab hloov kho rau DVB-T2

Raws li thev naus laus zis nce qib, muaj kev tshawb nrhiav tsis tu ncua ntawm qhov muaj peev xwm txhim kho thiab hloov kho rau DVB-TSome thaj chaw ntawm kev txhim kho suav nrog:

Enhanced Compression Algorithms: Kev nce qib ntxiv hauv video thiab audio compression algorithms tuaj yeem txhim kho kev ua haujlwm ntawm DVB-T2 tshaj tawm. Qhov no yuav pab kom muaj cov ntsiab lus zoo dua nyob rau hauv qhov muaj bandwidth.
Interactive Features thiab Personalization: Kev tsim kho yav tom ntej yuav tsom mus rau kev txhim kho kev sib tham sib tham thiab kev xaiv tus kheej hauv DVB-T2 lub moj khaum. Qhov no tuaj yeem koom nrog cov ntawv thov sib tham sib txuas ntxiv, cov lus pom zoo ntawm tus kheej, thiab kev tshaj tawm phiaj xwm.
Multiplatform Delivery: Nrog rau qhov kev thov ntau ntxiv rau cov ntsiab lus ntawm ntau yam khoom siv, kev txhim kho yav tom ntej tuaj yeem tshawb nrhiav kev xa khoom tsis sib haum xeeb, tso cai rau cov neeg saib kom nkag mus rau DVB-T2 cov ntsiab lus ntawm ntau yam khoom siv xws li smartphones, ntsiav tshuaj, thiab ntse TVs.

Evolution of broadcasting technologies tshaj DVB-T2 (xws li, DVB-T3)

Saib dhau DVB-T2, qhov project DVB txuas ntxiv tshawb nrhiav kev hloov pauv ntawm kev tshaj tawm xov xwm. Thaum DVB-T3 tseem tsis tau raug txiav txim siab, nws sawv cev rau kev txhim kho yav tom ntej. DVB-T3 tuaj yeem coj kev nce qib ntxiv thiab kev txhim kho hauv kev sib kis tau zoo, muaj peev xwm, thiab kev txais tos zoo.

Kev hloov pauv ntawm cov thev naus laus zis tshaj tawm tuaj yeem suav nrog kev nce qib hauv cov txheej txheem kev hloov pauv, kev kho qhov yuam kev algorithms, thiab encoding schemes. Cov kev txhim kho no tsom mus muab cov ntaub ntawv ntau dua dhau los, kev txhawb nqa rau cov kev daws teeb meem siab dua, thiab txhim kho qhov muaj zog hauv kev txais tos nyuaj.

Kev koom ua ke ntawm DVB-T thiab DVB-T2 nrog rau lwm yam digital platforms (xws li IPTV, OTT)

Kev koom ua ke ntawm DVB-T thiab DVB-T2 nrog rau lwm lub platforms digital yog ib qho kev tawm tshiab uas lub hom phiaj los muab cov neeg saib nrog kev sib txuas lus thiab kev sib koom ua ke hauv TV. Qhov no suav nrog kev sib koom ua ke hauv kev tshaj tawm hauv av nrog cov platforms hauv internet, xws li IPTV (Internet Protocol TV) thiab OTT (Over-The-Top) cov kev pabcuam.

Los ntawm kev sib txuas DVB-T / T2 nrog IPTV thiab OTT, cov tshaj tawm tuaj yeem muab cov kev pabcuam hybrid uas sib xyaw cov kev tshaj tawm ib txwm muaj nrog cov ntsiab lus xav tau, ntes TV, kev sib tham sib tham, thiab kev xaiv saib tus kheej. Qhov kev sib koom ua ke no tso cai rau cov neeg saib nkag mus rau ntau yam ntawm cov ntsiab lus los ntawm ntau qhov chaw los ntawm ib qho kev sib tshuam lossis khoom siv, txhim kho lawv cov kev lom zem xaiv thiab yooj yim.

Kev sib koom ua ke ntawm DVB-T thiab DVB-T2 nrog rau lwm cov digital platforms ua ke nrog cov kev hloov pauv kev saib thiab nyiam ntawm cov neeg siv khoom, uas nce nrhiav tus kheej thiab xav tau cov ntsiab lus thoob plaws ntau yam khoom siv.

Cov kev txhim kho yav tom ntej thiab cov qauv zoo li no hauv DVB-T thiab DVB-T2 qhia txog qhov kev hloov pauv tsis tu ncua ntawm cov thev naus laus zis tshaj tawm, kev tshawb nrhiav kev txhim kho, thiab kev koom ua ke nrog lwm cov platforms digital. Los ntawm kev nyob ntawm qhov ua ntej ntawm kev nce qib ntawm kev siv tshuab, DVB-T thiab DVB-T2 txuas ntxiv hloov mus rau qhov hloov pauv ntawm kev tshaj tawm hauv TV, ua tau raws li qhov xav tau thiab kev cia siab ntawm cov neeg saib hauv lub hnub nyoog digital.

Kev tswj hwm kev tswj hwm thiab kev tswj hwm kev ua haujlwm hauv DVB-T thiab DVB-T2

Txheej txheem cej luam ntawm cov koom haum koom nrog hauv kev txhais cov qauv DVB (piv txwv li, DVB Project)

Lub DVB (Digital Video Broadcasting) project plays lub luag haujlwm tseem ceeb hauv kev txhais thiab tsim cov qauv rau kev tshaj tawm hauv xov tooj cua, suav nrog DVB-T thiab DVB-TThe project yog lub koom haum kev lag luam uas muaj ntau tshaj 250 lub koom haum los ntawm kev tshaj tawm, kev tsim, thiab thev naus laus zis. sectors.

Lub DVB Project muab lub platform rau kev sib koom tes thiab kev siv zog ua qauv, txhawb kev sib pauv kev paub thiab kev txawj ntse ntawm nws cov tswv cuab. Nws tswj xyuas kev txhim kho ntawm cov lus qhia tshwj xeeb, cov lus qhia, thiab cov lus pom zoo rau ntau yam ntawm kev tshaj tawm digital, suav nrog kev xa xov, suab thiab video coding, kev nkag mus tau zoo, thiab cov kev pabcuam sib tham sib.

Los ntawm kev sib koom tes ntawm nws cov tswv cuab, DVB Project xyuas kom meej tias DVB-T thiab DVB-T2 cov qauv muaj kev qhia dav, sib cuam tshuam, thiab ua raws li kev lag luam zoo tshaj plaws.

Cov kev cai thoob ntiaj teb thiab cov lus qhia rau DVB-T thiab DVB-T2 tshaj tawm

Cov kev cai thoob ntiaj teb thiab cov lus qhia ua lub luag haujlwm tseem ceeb hauv kev txais yuav thiab xa tawm DVB-T thiab DVB-T2 cov qauv. Cov kev cai no feem ntau yog tsim los ntawm lub teb chaws lossis cheeb tsam thiab hais txog yam xws li kev faib ntau zaus, cov ntawv tso cai, cov kev qhia tshwj xeeb, thiab cov qauv zoo.

Cov koom haum thoob ntiaj teb xws li International Telecommunication Union (ITU) thiab nws Cov Xov Xwm Sib Txuas Lus (ITU-R) muab cov lus qhia thiab cov lus pom zoo rau kev faib cov spectrum thiab tshaj tawm cov qauv. ITU-R cov lus pom zoo, xws li ITU-R BT.1306 rau DVB-T thiab ITU-R BT.1843 rau DVB-T2, muab cov ntsiab lus thiab cov lus qhia rau cov tshaj tawm xov xwm thiab cov cai tswj hwm kom muaj kev sib raug zoo thiab kev sib koom tes.

Cov thawj coj tswj hwm hauv tebchaws, ua haujlwm hauv kev sib koom tes nrog cov txheej txheem thoob ntiaj teb, tsim cov kev cai tshwj xeeb rau lawv lub tebchaws, xav txog yam xws li kev muaj spectrum, kev ua lag luam, thiab cov kev cai hauv zos.

Kev sib raug zoo ua kom muaj kev sib raug zoo thiab kev sib koom ua ke thoob plaws cheeb tsam

Kev sib raug zoo yog qhov tseem ceeb los xyuas kom muaj kev sib raug zoo thiab kev sib koom tes ntawm DVB-T thiab DVB-T2 thoob plaws cheeb tsam. Txoj Haujlwm DVB ua lub luag haujlwm tseem ceeb hauv kev sib haum xeeb, ua haujlwm ze nrog tsoomfwv cov cai tswjfwm, tshaj tawm, thiab cov tuam txhab khoom siv.

Txoj Haujlwm DVB pab txhawb kev sib koom tes ntawm nws cov tswv cuab los tsim thiab kho cov qauv uas tuaj yeem siv tau thoob plaws cheeb tsam thiab lub tebchaws. Qhov no ua kom ntseeg tau tias DVB-T thiab DVB-T2 cov cuab yeej thiab cov kev pabcuam tau sib xws thiab tuaj yeem ua haujlwm tsis sib haum xeeb hla ciam teb, muaj txiaj ntsig rau cov tshaj tawm thiab cov neeg saib ib yam.

Tsis tas li ntawd, cov koom haum thoob ntiaj teb zoo li ITU txhawb kev sib haum xeeb los ntawm kev muab cov lus qhia thiab cov lus pom zoo uas qhia txog kev faib cov spectrum thiab cov qauv tshaj tawm thoob ntiaj teb. Kev sib raug zoo ntawm kev sib raug zoo pab kom tsis txhob muaj kev sib cais thiab txhawb nqa txoj hauv kev sib koom ua ke rau kev tshaj tawm hauv xov tooj cua digital, txhawb kev sib pauv cov ntsiab lus thiab kev sib haum xeeb ntawm kev tshaj tawm cov thev naus laus zis.

Xws li kev sib haum xeeb ua kom cov neeg saib tuaj yeem txaus siab rau qhov kev paub TV zoo ib yam thiab txhim khu kev qha, tsis hais lawv qhov chaw nyob, thiab txhawb cov neeg ua lag luam los tsim cov khoom siv uas ua raws li tus qauv DVB-T thiab DVB-T2 specifications.

Kev tswj hwm zoo thiab kev sib haum xeeb yog qhov tseem ceeb rau kev ua tiav thiab kev siv DVB-T thiab DVB-T2 cov qauv, ua rau cov neeg tshaj tawm thiab cov neeg saib tau txais txiaj ntsig los ntawm kev nce qib thiab kev ua tau zoo ntawm digital terrestrial TV tshaj tawm.

Kev koom ua ke ntawm DVB-T thiab DVB-T2 nrog IPTV Systems hauv Chaw ntiav pw thiab chaw so

Nrog rau kev siv IPTV ntau ntxiv hauv cov tsev so thiab chaw so, kev sib koom ua ke ntawm DVB-T thiab DVB-T2 nrog IPTV thev naus laus zis muaj kev paub dav dav thiab tsis sib haum xeeb saib TV rau cov qhua. Qhov kev sib koom ua ke no ua ke cov txiaj ntsig zoo ntawm av yoj yoj TV teeb liab, tau txais los ntawm DVB-T thiab DVB-T2, nrog rau kev yoog raws thiab kev ua haujlwm ntawm IPTV systems.

Hauv kev teeb tsa kev sib koom ua ke no, UHF thiab VHF cov cim, tau txais los ntawm UHF / VHF yagi kav hlau txais xov, tau hloov mus rau IP teeb liab siv lub rooj vag IP lossis IPTV server. Qhov kev hloov pauv no tso cai rau kev txais tos ntawm cov teeb liab TV hauv av thiab lawv cov khoom xa tuaj los ntawm IPTV infrastructure uas twb muaj lawm hauv tsev so lossis chaw so.

Kev koom ua ke ntawm DVB-T thiab DVB-T2 nrog IPTV systems coj ntau yam txiaj ntsig rau tsev so thiab chaw so:

Expanded Channel Xaiv: Los ntawm kev sib koom ua ke DVB-T thiab DVB-T2 nrog IPTV, tsev so thiab chaw so tuaj yeem muab cov qhua nrog ntau yam ntawm TV raws. Qhov no suav nrog ob lub TV hauv av tau txais los ntawm DVB-T / T2 thiab cov channel ntxiv xa los ntawm IPTV. Cov qhua tuaj yeem nkag mus rau ntau yam ntsiab lus, suav nrog hauv zos, teb chaws, thiab thoob ntiaj teb raws.
Enhanced duab thiab suab zoo: DVB-T thiab DVB-T2 ua kom cov kev sib kis tau zoo tshaj plaws ntawm cov teeb liab TV, ua rau cov duab thiab suab zoo rau cov qhua. Kev sib koom ua ke nrog IPTV cov tshuab tso cai rau kev xa cov xaim tsis sib haum ntawm cov lus piav qhia siab rau cov chav qhua, txhim kho qhov kev pom hauv chav.
Interactive Features thiab Services: IPTV systems muaj kev sib tham sib nta thiab cov kev pabcuam uas tuaj yeem ua ke nrog DVB-T thiab DVB-T2 tshaj tawm. Cov qhua tuaj yeem txaus siab rau cov yam ntxwv zoo li cov lus qhia hauv hluav taws xob (EPGs), video-on-demand (VOD), catch-up TV, thiab cov lus pom zoo ntawm tus kheej, txhua yam siv tau los ntawm IPTV interface. Kev koom ua ke muab cov qhua nrog kev paub txog kev lom zem thiab kho kom haum xeeb.
Nqi thiab Chaw Ua Haujlwm: Los ntawm kev siv cov txheej txheem IPTV uas twb muaj lawm, cov tsev so thiab chaw so tuaj yeem txuag tau ntawm cov nqi thiab qhov chaw yuav tsum tau muaj ntawm cov tshuab faib TV cais. Kev sib koom ua ke DVB-T thiab DVB-T2 nrog IPTV tshem tawm qhov xav tau ntxiv cov cabling thiab cov khoom siv, ua kom yooj yim rau kev teeb tsa tag nrho TV.
Flexibility thiab Scalability: IPTV systems muab kev yooj yim thiab scalability, cia cov tsev so thiab chaw so kom yooj yim ntxiv lossis tshem tawm TV thiab cov kev pabcuam. Nrog rau kev sib koom ua ke ntawm DVB-T thiab DVB-T2, cov kev sib txuas ntxiv tuaj yeem sib xyaw ua ke rau hauv cov kab IPTV uas twb muaj lawm, muab kev yooj yim rau cov qhua hloov pauv nyiam.

Kev koom ua ke ntawm DVB-T thiab DVB-T2 nrog IPTV systems hauv tsev so thiab chaw so tsim kev sib koom ua ke thiab kev daws teeb meem hauv TV. Nws leverages qhov zoo ntawm terrestrial TV signals thiab versatility ntawm IPTV technology, kom muaj ib tug high-zoo thiab tus kheej nyob rau hauv-chav kev lom zem kev paub rau cov qhua.

DVB-T/T2 rau IP Gateway Solution los ntawm FMUSER

FMUSER muaj kev qhia dav DVB-T / T2 rau IP rooj vag daws teeb meem tshwj xeeb tsim rau cov tsev tos qhua thiab chaw so, ua kom muaj kev sib koom ua ke ntawm cov xov tooj cua hauv av hauv IPTV. Qhov kev daws teeb meem no muab tag nrho-hauv-ib pob, kom ntseeg tau tias cov tsev so thiab chaw so muaj txhua yam lawv xav tau los xa cov kev pabcuam TV zoo rau cov qhua.

👇 Tshawb xyuas peb cov ntaub ntawv kawm hauv Djibouti lub tsev so siv IPTV system (100 chav) 👇

Sim Free Demo Hnub no

Lub DVB-T / T2 rau IP qhov rooj daws teeb meem los ntawm FMUSER suav nrog cov khoom hauv qab no:

DVB-T / T2 Receiver: Cov kev daws teeb meem muaj qhov ua tau zoo DVB-T / T2 receiver uas ntes UHF / VHF terrestrial TV signals. Nws ua kom ntseeg tau txais kev lees paub thiab txhawb nqa DVB-T thiab DVB-T2 cov qauv los muab ntau txoj hauv kev thiab cov ntsiab lus siab.
IP Gateway: FMUSER's IP rooj vag hloov pauv qhov tau txais DVB-T / T2 cov cim qhia rau hauv IP hom, tso cai rau kev sib koom ua ke nrog cov IPTV uas twb muaj lawm. Nws hloov cov teeb liab TV rau hauv IP kwj uas tuaj yeem faib tau yooj yim los ntawm IPTV server rau cov chav qhua.
IPTV neeg rau zaub mov: Cov kev daws teeb meem suav nrog IPTV neeg rau zaub mov muaj zog thiab ua kom muaj zog uas tswj hwm kev xa khoom ntawm TV thiab kev pabcuam sib tham rau cov qhua. Nws muab cov yam ntxwv zoo li kev tswj hwm channel, kev teem sijhawm cov ntsiab lus, kev txhawb nqa EPG, thiab VOD kev koom ua ke, ua kom muaj kev sib haum xeeb thiab kev pom zoo rau cov qhua.
Set-Top Boxes: FMUSER cov kev daws teeb meem suav nrog cov thawv teeb tsa (STBs) uas tau sib xws nrog IPTV system. Cov STBs no tau nruab rau hauv cov chav qhua, ua rau cov qhua tuaj yeem nkag mus rau TV raws thiab kev sib tham sib cuam tshuam los ntawm kev siv tus phooj ywg interface. STBs txhawb ntau yam codecs thiab video daws teeb meem, ua kom muaj kev sib raug zoo nrog cov qauv TV sib txawv.
Tus neeg siv interface thiab sib tham sib nta: Lub DVB-T/T2 rau IP rooj vag kev daws teeb meem los ntawm FMUSER muaj cov neeg siv-phooj ywg interface uas tso cai rau cov qhua tuaj yeem taug kev hauv TV raws, nkag mus rau EPGs, thiab txaus siab rau kev sib tham. Nws tuaj yeem hloov kho nrog lub npe tsev so thiab cov lus pom zoo ntawm tus kheej, txhim kho cov qhua tuaj noj mov.

Ntxiv rau cov ntsiab lus tseem ceeb, FMUSER cov kev daws teeb meem tuaj yeem hloov kho thiab nthuav dav kom tau raws li cov kev xav tau tshwj xeeb. Cov yam ntxwv xaiv tau thiab kev txhim kho muaj xws li cov kev pabcuam video-on-demand (VOD), catch-up TV, tsom kev tshaj tawm, thiab kev koom ua ke nrog lwm lub tsev so xws li kev tswj hwm chav tsev thiab kev them nqi.

👇 FMUSER's IPTV daws teeb meem rau tsev so (tseem siv hauv tsev kawm ntawv, kab caij nkoj, chaw noj mov, thiab lwm yam) 👇

Main Features & Functions: https://www.fmradiobroadcast.com/product/detail/hotel-iptv.html

Cov Kev Pab Cuam: https://www.fmradiobroadcast.com/solution/detail/iptv

Los ntawm kev siv FMUSER's DVB-T / T2 rau IP qhov rooj daws teeb meem, tsev so thiab chaw so tuaj yeem tau txais txiaj ntsig los ntawm:

Seamless kev koom ua ke ntawm terrestrial TV signals rau hauv lawv cov IPTV infrastructure uas twb muaj lawm
Kev xaiv channel nthuav dav, suav nrog ob qho tib si terrestrial TV channel thiab IPTV cov ntsiab lus
Cov duab zoo thiab suab nrog kev txhawb nqa rau HD thiab UHD cov ntsiab lus
Sib tham sib nta thiab cov kev pab cuam, txhim khu kev lom zem qhua
Tus nqi-kev ua tau zoo los ntawm kev siv cov txheej txheem IPTV uas twb muaj lawm
Customizable interfaces thiab tus kheej cov ntsiab lus pom zoo rau cov qhua

FMUSER's DVB-T/T2 rau IP rooj vag kev daws teeb meem muab kev txhim khu kev qha thiab kev daws teeb meem rau cov tsev so thiab chaw so nrhiav kev txhim kho lawv cov kev lom zem hauv chav. Nrog nws cov yam ntxwv siab heev thiab muaj peev xwm ua ke tsis sib haum xeeb, qhov kev daws teeb meem no ua kom muaj kev sib haum xeeb thiab zoo siab rau kev saib TV rau cov qhua, ntxiv dag zog rau lawv qhov chaw nyob.

Qhwv

Hauv kev xaus, DVB-T thiab DVB-T2 yog cov qauv tseem ceeb hauv kev tshaj tawm hauv xov tooj cua digital, muab cov duab thiab suab zoo dua qub, ntau txoj hauv kev, thiab kev sib tham sib tham. Txawm hais tias koj yog tus tshaj tawm xov xwm, tus thawj tswj hwm tsev so, lossis tsuas yog xav paub txog yav tom ntej ntawm TV, qhov kev paub no txhawb nqa koj los txiav txim siab paub thiab siv cov txiaj ntsig ntawm cov thev naus laus zis no. Ua ntej ntawm qhov kev hloov pauv ntawm kev tshaj tawm digital, txhim kho kev lom zem hauv chav tsev so thiab chaw so, thiab muab cov kev paub TV tshwj xeeb rau koj cov qhua. Tshawb nrhiav lub peev xwm ntawm DVB-T thiab DVB-T2 los qhib lub zog ntawm cov xov tooj cua hauv av.