Ugboro nke ọwa telivishọn dijitalụ DVB-T2: data dị ugbu a maka 2025

Site na nnọchi nke mgbasa ozi analog na mgbasa ozi dijitalụ (DTV) na telivishọn Russia, ọ dị mkpa ịzụta na hazie akụrụngwa ndị ọzọ. Ngwa ndị na-ebufe mgbama terrestrial ga-adịrịrị ka a na-edobe ya na ugboro ole achọrọ.

DVB-T2 dijitalụ ọwa telivishọn ugboro ugboro na Russia na Moscow

Ọrụ nke telivishọn terrestrial dijitalụ na Russia na-eme na ugboro ole na-arụ ọrụ na band site na 470 – 862 MHz, na ọwa 21 ruo 69. Mpaghara mkpuchi DTV mpaghara na-egosi nhọrọ nke iyi nke igbe dijitalụ set-top ma ọ bụ TV ga-adị. ahaziri.

Na nhọrọ ọchụchọ ntuziaka, ị ga-abanyerịrị ugboro ole ọwa achọrọ.

Tebụl ntọala igbe TV na set-top nwere ugboro TV dijitalụ.

A na-enye ozi dị mkpa gbasara data ugboro ugboro na mpaghara mkpuchi nke mpaghara n’otu n’otu na mapỌrụ ahụ na-enye maka nchọpụta akpaka mpaghara nke esi na ibe ahụ banye.

Multiplexes nke ọwa dijitalụ

A na-akpọ ndị ọrụ nke ọwa dijitalụ na ngwugwu a multiplex (RTRS). Ntugharị gụnyere ịchọpụta ugboro ole na mkpuchi ebili mmiri decimeter.

RTRS №1-multiplex

Ngwungwu a na-enye ọhaneze (n’efu) igwe onyonyo na redio. Ozi na-agbasa site na ọwa ndị a na-ahụ maka ọha na eze ma kwadoro Onye isi ala nke Russian Federation.
Ngụkọta izugbe nke RTRS No. 1:

• ebili mmiri decimeter sitere na 470 ruo 862 MHz;
• ọkọlọtọ mgbasa ozi DVB-T2;
• olu mgbasa ozi SDTV;
• enweghị nzuzo.

Ndepụta ọwa Multiplex #1:

• Nke mbụ;
• Russia 1;
• Ngwakọta;
• NTV;
• omenala;
• Ọwa 5;
• Russia 24;
• Carousel;
• OTR;
• TVC;
• Radio nke Russia;
• Ụlọ ọkụ;
• Vesti FM.

RTRS №2-multiplex

Onye na-arụ ọrụ na-enye ngwugwu nke telivishọn dijitalụ na mgbasa ozi redio n’efu, mana iji ndenye aha na-akwụ ụgwọ ga-ekwe omume. Ntọala paramita RTRS #2:

• nhọrọ nke ugboro 470-862 MHz;
• Ụdị SDTV;
• enweghị nzuzo;
• Ọkọlọtọ mgbaàmà DVB-T2.

Ndepụta ọwa Multiplex #2:

• RenTV;
• echekwara;
• STS;
• Ụlọ;
• TV3;
• Fraịde;
• Kpakpando;
• Udo;
• TNT;
• Muz TV.

RTRS №3-multiplex

A na-agbasa ngwugwu ule nke ọwa TV na mpaghara Moscow na mpaghara Moscow. Ndepụta ikpe nke ọwa 40 abụghị ndepụta ikpeazụ akwadoro. A na-ekiri mgbasa ozi ngwugwu na 578 MHz.
Ndepụta ọwa multiplex №3:

• Egwuregwu 1;
• Egwuregwu 2;
• akwụkwọ akụkọ Russian;
• Russian kacha ere;
• Onye nchọpụta Russia;
• Ụlọ ọgụ;
• Ụwa m;
• Sayensị 2.0;
• Ụwa dị ndụ;
• uwe akwa;
• Obodo;
• Katuun;
• Akụkọ;
• Ama mkpori ndụ;
• NST;
• Nne;
• Teknụzụ 24;
• 24 Dọkịta;
• IQ HD;
• La Minor;
• Ihe nkiri TV;
• Onye agha;
• India TV;
• STV;
• HD Ndụ;
• Ọtụtụ TV;
• TNT-Comedy;
• TV ụbọchị 365;
• Beaver;
• ụlọ oriri na ọṅụṅụ;
• Oge;
• Ụlọ ihe nkiri ụlọ;
• Egwu nke Mbụ;
• euronews;
• Moscow ntụkwasị obi;
• Bọọlụ anyị;
• akụkọ ndụ;
• Auto Plus;
• Ụlọ ihe nkiri TV;
• Ihe nkiri ụmụ nwoke.

A na-atụ anya ibipụta multiplex nke atọ n’oge adịghị anya na mba ahụ dum.

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

Echiche nke DVB-T2 na uru ya

DVB-T2 bụ mbiri maka mgbasa ozi vidiyo dijitalụ, ebe “T” na-anọchi anya nnyefe data ikuku. Ojiji modular nke ọwa mgbasa ozi COFDM na ogo HD. Ọ bụ ike mpikota onu video iyi na MPEG-2 format na nyefee data ruo 31 Mb/s. Tụnyere DVB-T, ọkọlọtọ ọhụrụ na-ewebata:

• mmụba na ọwa multiplex;
• imeziwanye arụmọrụ nke mgbasa ozi TV mpaghara;
• arụmọrụ nkọwa dị elu;
• ntọhapụ nke ethereal frequencies.

Ọ dịghị ihe mgbagwoju anya na ịtọ ugboro ugboro nke ọwa dijitalụ na ọ dị mfe ime n’onwe gị. O zuru ezu iji data enyere na tebụl.