3. DIGITAL LAND TELEVISION
Also called open digital television (TDA) is the
transmission of moving pictures and associated audio
(TV) via a digital signal (binary encoding) and through a
network of terrestrial repeaters.
4. ADVANTAGES OF DIGITAL CODING
Ability to compress the signal.
Can make more efficient use of radio spectrum.
You can issue more channels
Signs HDTV HD, which require higher bandwidth
than standard definition.
5. CHARACTERISTICS
Better use of bandwidth
You can transmit several programs similar to that of a
DVD or one or two quality HD
6. Limit higher quality picture and sound
• Increased number of television broadcasts
• Emissions greater flexibility and additional services
The receiver can correct, to some extent, the distortions caused
by interference.
7. TDT IN COLOMBIA
In Colombia, the digital TV system chosen was the
European DVB-T using a 6 MHz channeling The decision
of the National Television Authority was announced on
Thursday, August 28, 2009, after various delays and
negotiations. Colombia decided to operate the system for
MPEG-4 compression. The analogue switch-off is
scheduled for 2019.
In 2014 a Laboratory DTT between the Polytechnic
University Institution Colombiano Jaime Isaza Cadavid
(SMO Research Group) and regional Teleantioquia
channel, in order to develop content for the Digital
Terrestrial Television is created.
8. They are currently airing on
standard DVB-T2 channelS
RCN HD
Caracol HD
Señal Colombia HD
Señal Institucional
Canal Uno
Gol Caracol HD
RCN HD 2,
RCN 2 NTN24)
Teleantioquia, Telecaribe, Telepacífico, Televisión
Regional del Oriente, Telecafé, Canal 13, Canal Capital
9. AUDIO CHANNELS
Blu Radio
Radio Nacional de Colombia,
Señal Radiónica
La Clave Latina
Señal Basica y 3
Tropicalisimo Radio RDS
Cognitiva Radio.
