New Delhi: DVB-T2 is the worlds very advanced digital terrestrial television system which supports SD, HD, UHD, Mobile TV. Recently DD India website listed a Public tender notification to be installing DVB-T2 gateway in 23 Locations in all over India. DVB-T2 is advance technology of Terrestrial service.
DVB-T2 service is very advance service, although DD already using DVB-T service for Doordarshan DD-1 and DD News channels. After installation of DVB-T2 service, Doordarshan will use this technology for Mobile TV, HD and SD TV service.
Differences with DVB-T and DVB-2 Service:
DVB-T2 service is very advance service, although DD already using DVB-T service for Doordarshan DD-1 and DD News channels. After installation of DVB-T2 service, Doordarshan will use this technology for Mobile TV, HD and SD TV service.
Differences with DVB-T and DVB-2 Service:
Difference
|
DVB-T
|
DVB-T2
|
Input
|
Single Transport
Stream (TS)
|
Multiple
Transport Stream (GSE)
|
Mode
|
Constant Coding
& Modulation
|
Variable Coding
& Modulation
|
FEC
|
1/2, 2/3, 3/4,
5/6, 7/8
|
1/2, 3/5, 2/3,
3/4, 4/5, 5/6
|
Modulation
|
QPSK, 16QAM,
64QAM
|
QPSK, 16QAM,
64QAM, 256QAM
|
Guard Interval
|
1/4, 1/8, 1/16,
1/32
|
1/4, 19/256,
1/8, 19/128, 1/16, 1/32, 1/128
|
 |
| Image Source: Google Image |
List of DD Locations for Supply of DVB-T2 Gateway System:
North Zone:
1. Delhi (HDTV)
2. Delhi (SDTV)
3. Lucknow (SDTV)
4. Jallandhar (SDTV)
5. Srinagar (SDTV)
West Zone:
1. Mumbai (HDTV)
2. Mumbai (SDTV)
3. Ahmedabad (SDTV)
4. Bhopal (SDTV)
5. Raipur (SDTV)
6. Indore (SDTV)
7. Aurangabad (SDTV)
East Zone:
1. Kolkata (HDTV)
2. Kolkata (SDTV)
3. Patna (SDTV)
4. Ranchi (SDTV)
5. Guwahati (SDTV)
6. Cuttack (SDTV)
South Zone:
1. Chennai (HDTV)
2. Chennai (SDTV)
3. Bangalore (SDTV)
4. Hyderabad (SDTV)
5. Trivandrum (SDTV)
Total Locations 23
