DVD播放机使用维特比解码电路

ISCE '97. Proceedings of 1997 IEEE International Symposium on Consumer Electronics (Cat. No.97TH8348) Pub Date : 1997-12-02 DOI:10.1109/ISCE.1997.658360

H. Hayashi, H. Kobayashi, M. Umezawa, S. Hosaka, H. Hirano

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引用次数: 8

摘要

我们开发了一种适用于DVD播放机的维特比解码电路。我们利用DVD记录代码的规则将其设计得紧凑而高效。通过实验，我们证实了维特比解码器比传统的逐位解码器更精确地再现数字数据。从而提高了DVD播放机的可靠性。它被集成到一个数据处理LSI中，用于恢复DVD上记录的数字数据流。利用这种大规模集成电路，我们开发了DVD视频播放器、DVD- rom驱动器、DVD可刻录驱动器、DVD汽车导航系统等。我们首次将维特比解码应用于家用光盘播放机。

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DVD players using a Viterbi decoding circuit

We have developed a Viterbi decoding circuit which is suitable for DVD players. We designed it to be compact and efficient by utilizing the rule of the DVD recording code. By experiment, we confirmed that the Viterbi decoder reproduced digital data more precisely than a conventional bit-by-bit decoder. Thereby it improves the reliability of the DVD players. It was integrated into a data processing LSI which restores digital data streams recorded on the DVD. By employing this LSI, we have developed DVD video players, DVD-ROM drives, DVD-recordable drives, and DVD car navigation systems. We applied the Viterbi decoding to home-use optical disc players for the first time.

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ISCE '97. Proceedings of 1997 IEEE International Symposium on Consumer Electronics (Cat. No.97TH8348)

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