DVB-T

1
DVB-T ???????? ????????? ?????? DTT
2
???????? ?????????

• ???? ???????? ??????? ???? ???? ??????? ????? ???
  2010??????, ????? ????? ?????? ????????? ?????,
  ???? ?????? ???????? ?????????? ???????, ????
  ????? ?- 2/8/2009???????? ?????? ????? ?????
  ??? ????? 5 ?????? ??? ????? ???? ?????? (
  133) ??? ????? ????? ?????? ( 210) ?????
  ????? (99)

3
???????? ?????????

• ?????? ???????? ???? ?? ???? ????? ????? ??????
  ????? ????? ??? ?????? ?????? ?????? ?????,
  ??????? ??????? ????? ?????
• ????? ????? ????? ?- 400 ?"?, ???? ??????, ??????
  ????? ?? ???? ?????? (????? ?????) ????? ?????
  ????? ???? ????? ?????? www.iba.org.il/reception
  ?- www.rashut2.org.il
• ????? ????? ???? ?????? ????? ???? ?? ?????????
  (STB-Set Top Box), ?? ?????????? ??????? ?????
  ???? ??????, ?? ????? ???? (USB-Disk on Key).

4
???? ????? DVB-T
????1
???? 2
???? 29
????1
???? 33
???? ?????? ????
?????
???? 26
???? 10
???? ??????
???? 29
???? 99 ?????
????
5
???????? ?????????
???????? ?????? ????? UHF 26 ????? ???? ??????
UHF 29 ????? ????? ?????? ????-??? ???? ????
?????? ????? ????? ??? 4 ?- 5 ????? ????.?-60
?????? ?????? ?????? ???? ????? ???? ????????
??????????, ????? ????? ???? ???? ?? ???????
??????? ????? ????????, ????? ????? 18 ??????
???? ???? ????????. ????? ??? ???? ?????? ??
??? ?????? ???????? ??????? ??????????. ????????
????? ?????? MPEG-4 ??? ??? ???? ??? ?????
?????
6
?????? ????? ???? MPEG-4 ?"? ????? ?? ??????
?????, ????? ???????? (??????), ???? ??? ?????
?????? ?? ????? ?? ????? ????? ???? ?????? ?????
?????, ?????? ???? ????? ?? ?????.??? ??????
???? ????? ????
7
???? ????? ??? ?????? ?? ????? ???????? ??????????
Distant transmitter
Nearest transmitter
?????? ?????? ????? ??????? ????? ???????? ?????,
???? ?? ???? ????
8
????? ????????? ?????

• ????? ????? ?????? ?????? ????? ??? ????? ??
  ????? ??? ???????? ???? ????.
• ?85 ???? ??? ????? ????? ????? ?? ?????????
  (?-14 ?"? ?????)
• ?????? ?????? ????? ??????? ????? ???? ??????
  (??? ???? ???? ???? 500-600 ?"?)
• 1.2 ???????? ??? ????? ????? ?????? ???????,
  ?????? ????? ????? ??????? ?? ???? ???????
  ?????? ???? (?????? ?????? ???? ?- 1000 ?"?)
• ??? ??????? ?? ??????? ??? ???????? ?? ?????? ??
  ???? ???? ?????? ???????,. ??? ??? ???? ???????.

????? ???????
9
????????? ?????????

• ??????? ?????? ?? ?????? ??????? ?????? ????? (
  HDTV)

10
????? ????!