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December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto. 2. What is DCAj. The scope of DIGITAL CONTENTS ASSOCIATION OF JAPAN is to support production, distribution and application of high quality digital contents. The purpose of the support is to increase the benefit of people and advancement of
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1. December 1. 2005 Plenary of SC23 1 Life Expectancy Test of Recordable DVD by DCAj Kunimaro Tanaka
Teikyo Heisei University
2. December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto 2 What is DCAj The scope of DIGITAL CONTENTS ASSOCIATION OF JAPAN
is to support production, distribution and application of high quality digital contents. The purpose of the support is to increase the benefit of people and advancement of the culture.
3. December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto 3 Why DCAj is carrying out life expectancy test (1) DCAj noticed that there is no standard recording media to store the digital contents. The life of HDD is too short.
It is not known if optical disk has enough life.
DCAj decided to develop long life optical media.
4. December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto 4 Why DCAj is carrying out life expectancy test (2) Development started from investigation of expected life of present available media.
DCAj established committee for development
The fund was obtained form The Mechanical Social Systems Foundation supported by bicycle race KEIRIN
Project started in 2003.
5. December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto 5 Members of long life media development committee Chair man Dr. Atsumi Watanabe
Member
NHK technical serve NHK
Taiyo Yuden Hitachi Maxell
Teikyo Heisei Univ. Panasonic
Toshiba Mitsubishi Chemical
JVC
6. December 1, 2005 Plenary of ISO/IEC-JTC1-SC23 at Kyoto 6 TESTED DVD-R