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SBTVD

(Sistema Brasileiro de TV Digital) Also called "ISDB-T International" and "ISDB-Tb," it is the Brazilian digital TV broadcasting standard. Adapted for the South American market from the Japanese ISDB-T technology, SBTVD supports H.264 and MPEG-4 video frames rather than MPEG-2. Launched in Brazil in 2007, within a few years, all South American countries except for Colombia and the Guianas, adopted SBTVD, as did Costa Rica, Nicaragua and the Philipines. Other countries in Latin America, as well as in Africa and Asia are expected to participate. See ISDB.



ISDB

(Integrated Services Digital Broadcasting) The Japanese mobile TV and digital radio standard. Replacing the earlier analog HDTV system (see Hi-Vision) and based on MPEG-2, ISDB transmits 50 channels (13 through 62) in the UHF bands from 470 to 770 MHz. Following are the various ISDB flavors. Brazil adopted ISDB-T for the Latin and South American markets (see SBTVD). The 1 seg standard means "one segment" out of the 13 ISDB-T segments is used for TV on smartphones. See mobile TV.


  Type       Purpose

  ISDB-T     Terrestrial TV

  ISDB-Tsb   Terrestrial audio
              (sb=sound broadcast)

  ISDB-S     Satellite TV

  ISDB-C     Cable TV

  1 seg      Mobile phones

  ISDB-Tb    Brazilian version
             (see SBTVD).





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