Khafetsa ea liteishene tsa thelevishene tsa dijithale tsa DVB-T2: lintlha tsa hajoale tsa 2025

Ka ho nkela sebaka sa khaso ea analog le khaso ea dijithale (DTV) thelevisheneng ea Russia, ho ile ha hlokahala ho reka le ho lokisa lisebelisoa tse ling. Lisebelisoa tse fetisang lets’oao la lefats’e li tlameha ho lokisoa ho latela maqhubu a hlokahalang.

DVB-T2 dijithale kanale seteishene sa thelevishene Russia le Moscow

Ts’ebetso ea thelevishene ea lefatše ea dijithale naheng ea Russia e hlaha ka maqhubu a sebetsang sehlopheng ho tloha ho 470 – 862 MHz, ho likanale tsa 21 ho isa ho 69. Sebaka sa tšireletso sa DTV se fana ka maikutlo a khetho ea molapo oo lebokose kapa TV e tla ba teng. hlophisitsoe.

Ho khetho ea ho batla ka letsoho, u tlameha ho kenya maqhubu a mocha o lakatsehang.

Tafole ea litlhophiso tsa TV le li-set-top box tse nang le maqhubu a TV a dijithale.

Lintlha tse hlokahalang mabapi le data ea khafetsa le sebaka sa ts’ireletso ea libaka ka bomong li fanoa ‘mapengTs’ebeletso e fana ka monyetla oa ho tseba sebaka seo leqephe le kentsoeng ho sona.

Multiplexes ea likanale tsa digital

Ho sebetsa ha likanale tsa dijithale ka har’a sephutheloana ho bitsoa multiplex (RTRS). Tokiso e kenyelletsa ho khetholla maqhubu a maqhubu a maqhubu a decimeter.

RTRS №1-multiplex

Sephutheloana sena se fana ka likanale tsa sechaba (mahala) thelevishene le seea-le-moea. Boitsebiso bo phatlalatsoang ke likanale bo bohlokoa sechabeng ‘me bo amoheloa ke Mopresidente oa Russia Federation.
Litekanyetso tse akaretsang tsa RTRS No. 1:

• maqhubu a decimeter ho tloha 470 ho ea ho 862 MHz;
• kgaso maemo a DVB-T2;
• bophahamo ba khaso ea SDTV;
• ha ho na encryption.

Lenane la liteishene tse ngata #1:

• Pele;
• Russia 1;
• Kopanya;
• NTV;
• setso;
• Channel 5;
• Russia 24;
• Carousel;
• OTR;
• TVC;
• Radio ea Russia;
• Lighthouse;
• Phatlalatso ea FM.

RTRS №2-multiplex

Sephutheloana sa khaso ea thelevishene ea dijithale le seea-le-moea se fanoa mahala ke opareitara, empa tšebeliso e lefelloang ka peeletso le eona e ka khonahala. RTRS #2 litlhophiso tsa paramethara:

• khetho ea maqhubu 470-862 MHz;
• sebopeho sa SDTV;
• ha ho encryption;
• DVB-T2 letshwao le tloaelehileng.

Lenane la liteishene tse ngata #2:

• RenTV;
• E bolokiloe;
• STS;
• Lehae;
• TV3;
• Labohlano;
• Naleli;
• Lefatše;
• TNT;
• Motse oa TV.

RTRS №3-multiplex

Sephutheloana sa liteko sa liteishene tsa TV se phatlalatsoa sebakeng sa Moscow le sebakeng sa Moscow. Lethathamo la liteko la likanale tse 40 ha se lethathamo la ho qetela le amohetsoeng. Khaso ea pakete e hlophisitsoe ho 578 MHz.
Lenane la likanale tse ngata №3:

• Lipapali 1;
• Lipapali 2;
• buka ea Serussia;
• Morekisi oa Russia;
• lefokisi la Serussia;
• Sehlopha sa ntoa;
• Lefatše la ka;
• Saense 2.0;
• Lefatše le phelang;
• Sundress;
• Naha;
• Cartoon;
• Histori;
• Sebae sa boitlhabollo;
• NST;
• Mme;
• Techno 24;
• 24 Doc;
• IQ HD;
• La Minor;
• TV ea metlae;
• Mohlabani;
• India TV;
• STV;
• Bophelo ba HD;
• TV e ngata;
• TNT-Metlae;
• TV ea matsatsi a 365;
• Beaver;
• telecafe;
• Nako;
• Cinema ea Lehae;
• ‘Mino oa Pele;
• euronews;
• Tšepo ea Moscow;
• Papali ea rona ea bolo ea maoto;
• litaba tsa bophelo;
• Auto Plus;
• TV ea kichineng;
• Libaesekopo tsa banna.

Multiplex ea boraro e lebelletsoe ho hlahisoa haufinyane naheng ka bophara.

https://youtu.be/8R-ierscY8w

Khopolo ea DVB-T2 le melemo ea eona

DVB-T2 ke khutsufatso ea khaso ea video ea dijithale, moo “T” e emelang phetiso ea data e fetang moeeng. Tšebeliso e tloaelehileng ea COFDM e phatlalatsa liteishene ka boleng ba HD. Hoa khoneha ho hatella molapo oa video ka sebopeho sa MPEG-2 le ho fetisetsa data ho fihla ho 31 Mb/s. Ha ho bapisoa le DVB-T, maemo a macha a hlahisa:

• ho eketseha ha likanale tsa multiplex;
• ho ntlafatsa tšebetso ea khaso ea lehae ea TV;
• tshebetso ya tlhaloso e phahameng;
• ho lokoloha ha maqhubu a ethereal.

Ha ho letho le rarahaneng ho beha maqhubu a liteishene tsa dijithale mme ho bonolo ho e etsa u le mong. Ho lekane ho sebelisa data e fanoeng litafoleng.