Development of variable bit rate disk system

Kentaro Yokouchi; Kenji Sugiyama; Mitsuaki Fujiwara; Kohji Tanaka; Shigeru Nemoto; Kazumi Iwata

doi:10.1117/12.218751

8 September 1995 Development of variable bit rate disk system

Kentaro Yokouchi, Kenji Sugiyama, Mitsuaki Fujiwara, Kohji Tanaka, Shigeru Nemoto, Kazumi Iwata

Proceedings Volume 2514, Optical Data Storage '95; (1995) https://doi.org/10.1117/12.218751
Event: Optical Data Storage '95, 1995, San Diego, CA, United States

Abstract

CD size video disc employing the MPEGG2 system for recording moving pictures, is highly desired. However, it has been difficult to record a movie of more than 2 hours without causing a picture quality degradation. This problem has been resolved by the authors by applying a variable bit rate coding scheme. The variable bit rate coding scheme allows to allocate less codes to simple pictures and more to the portions that are needed. Therefore, a total generated code amount can be reduced with the adoption of the variable scheme, this allows to realize more flexible formats in recorded program length, which have not been possible before. This paper covers the coding, recording, and reproduction technologies of the newly developed disc system employing the variable bit rate coding scheme realized this time.

Citation Download Citation

Kentaro Yokouchi, Kenji Sugiyama, Mitsuaki Fujiwara, Kohji Tanaka, Shigeru Nemoto, and Kazumi Iwata "Development of variable bit rate disk system", Proc. SPIE 2514, Optical Data Storage '95, (8 September 1995); https://doi.org/10.1117/12.218751

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