Acceleration of Digitization : Recent Development about DTT, HDTV, IPTV, Mobile TV

  • Yamada Kenichi
    Research & Survey Division, NHK Broadcasting Research Institute

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Other Title
  • 放送デジタル化が加速する世界 : 地上デジタル・HDTV・IPTV・携帯向け放送の最新事情(デジタル放送・デジタル設備,一般)
  • 特別講演 放送デジタル化が加速する世界--地上デジタル・HDTV・IPTV・携帯向け放送の最新事情
  • トクベツ コウエン ホウソウ デジタルカ ガ カソク スル セカイ チジョウ デジタル HDTV IPTV ケイタイ ムケ ホウソウ ノ サイシン ジジョウ

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Description

Digitization of broadcasting began in 1990s, and it was said to be superior to analog because of its clear vision, multi-channel service, and data broadcasting. On the other hand, digitization costs a lot of money, but its business model remains unclear in many fields. For example, Britain's DTT broadcaster ITV Digital went bankrupt in 2002, and DTT had to be changed to the model of 「Freeview」. After that, although some service remains unpopular because of losing money or disturbance by competitors, digitization in general gathered momentum. I report in this paper about the recent development of DTT, HDTV, IPTV and Mobile TV in the world.

Journal

  • ITE Technical Report

    ITE Technical Report 33.25 (0), 15-20, 2009

    The Institute of Image Information and Television Engineers

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