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NHK STRL Vision:

75 years of STRL

NHK STRL Vision:NEXT

New Broadcasting Frontiers Opened by Digital Technology
9 New Frontiers Opened by Digital Broadcasting
10 Digital Terrestrial Broadcasting for Handheld Receivers
11 Technologies Supporting Digital Terrestrial Broadcasting for Handheld Receivers:
12 Services and Receivers of Broadcasting Based on Home Servers
13 Technologies for Broadcasting Based on Home Servers
14 Metadata Production and Utilization Technology

Technical Exhibitions

Technical Exhibitions
12
Services and Receivers of Broadcasting Based on Home Servers
  Background and Objectives
 Broadcasting based on home servers is a new type of broadcasting that utilizes a receiver equipped with a large-capacity storage function and a communications function
 The project for server-based broadcasting has been drawing up the operational guidelines defining broadcasting transmission rules and the receiver’ essential specifications. Following these guidelines, broadcasters will plan specific services and prepare the transmission and production equipment, and manufacturers will develop receivers. The new form of broadcasting will enable a diverse range of styles of use and enjoyment.
 In this exhibit, we show service examples that fit the basic operational guidelines and outline how the functions are to be verified in the receivers under development.
  Features
-Service Examples
  • A diverse range of viewing styles meets the needs of individual viewers. Digest viewing: this allows the viewing of only the scenes you want to watch in a condensed or digest format. Interactive viewing: various stored video clips can be used in combination and with interaction. This function would enable the clips to be used as teaching materials or parts of an encyclopedia.
  • Educational services for school and home use Digital teaching material: a school classroom course can take full advantage of such video material. Continuing education: an NHK text service based on home servers that utilizes stored programs on language, cooking, hobbies, etc.
Service example for broadcasting based on home servers
  • Network-linked services using communications media
    - Broadband linkage: a broadcast program that a user missed can be viewed on-demand through a broadband network.
    - Cellular phone linkage: Getting metadata with the cellular phone, user can view a program with the digest viewing style.
  • It will enable a receiver to serve as an electronic reception desk onto local community public services.
-Technology
 Receivers for broadcasting based on home servers will add the following new functions to existing digital broadcasting receivers.
  • They can process metadata incorporated in a program so a user can search for a desired program or scene.
  • In addition to protecting digital broadcasting content, they can protect contents obtained through communications network distribution and stored on the home server.
  • They can provide a detailed service setup and viewing control, using RMPI (Rights Management and Protection Information) for each program obtained through a broadcasting or communications network.
  Future work
 The full-scale integrated services television era is just around the corner. We intend to make it easy for any viewer to use services with confidence, and at the same time enable broadcasters to provide diverse services that link broadcasting, communications, and storage media.
Service example for broadcasting based on home servers
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