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Safety Zone on a Screen with an Aspect Ratio of 16:9 Overview of Technical Report (ARIB TR-B4)

This technical report stipulates a safety zone in the production of a television broadcast with an aspect ratio of 16:9, such as HDTV and EDTV-? broadcasts.


1. Scope

This technical report applies to the reproduction range of screen representations in television broadcasts with a 16:9 ratio.

2. Contents

This technical report is composed of the main section consisting of the following three chapters, with explanatory annexes, references, and a bibliography attached thereto.

Chapter 1: General
The object and scope are described.

Chapter 2: Definition of Terms
The important range, the safety range, and the like on the screen are described.

Chapter 3: Safety Zone on a Screen with an Aspect Ratio of 16:9
The information range, the important-information range, and the safety range on a screen with a 16:9 ratio are described.

Explanation

An explanation of the safety zone on the conventional screen with a 4:3 ratio and the progress of the safety zone on a screen with a 16:9 ratio leading up to the specification set out within this technical report are given, along with attendant discussions.

References

A questionnaire survey conducted to gain an understanding of the current state at the start of an examination of the safety zone is described.

Bibliography

Literature concerning this technical report is listed.

Addendum

The Broadcasting Technology Standard (BTS) referred to in this technological data is to be abolished by the end of July 2001. To enable the reader to refer to the BTS in the future, a copy of it is attached to this technological data, and it is accordingly named version 1.1.



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