ISDB-T (Integrated Services Digital Broadcasting – Terrestrial) is the digital terrestrial television standard developed in Japan and also adopted throughout South America and the Philippines.

Technical specifications

  • Video codecs: MPEG-2 (Japan SD), H.264/AVC (Japan HD, South America)
  • Audio codec: MPEG-2 AAC
  • Modulation: COFDM with BST-OFDM (Band Segmented Transmission)
  • Resolutions: 480i (1seg mobile), 1080i (full-seg)
  • Channel bandwidth: 6 MHz
  • Features: Hierarchical transmission, mobile reception (1seg)

Regional variants

  • ISDB-Tb – Brazilian variant using H.264 and Ginga middleware, adopted across South America
  • ISDB-T – Original Japanese implementation

CRT televisions with ISDB-T tuners

Late-era CRT televisions in Japan and South America sometimes included built-in ISDB-T tuners. Japan's analog shutdown occurred in 2011 (2012 for some areas affected by the 2011 earthquake).


See also

  • NTSC-M - Analog predecessor in Japan and parts of South America
  • PAL-M - Analog standard in Brazil (replaced by ISDB-Tb)
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