Keitaide-Music for synchronization of audio with image and text as well as for legitimate distribution of contents over cell phones

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  • PHSでの画像同期音楽コンテンツの配信
  • PHS デ ノ ガゾウ ドウキ オンガク コンテンツ ノ ハイシン

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Abstract

This paper describes Keitaide-Music (“Music by Mobile Device”) framework. It is to manage users’ access to distributed digital data using the concept of “Super Distribution”, or flexible and legitimate peer-to-peer distribution, as well as Public Key Infrastructure (PKI). Keitaide-Music has also the scheme of content synchronization. It is something that audio can be played back with synchronizing image and text. This synchronization scheme is designed to be simple and suitable for mobile devices with very low power requirements. In April 2002, Sound Market introduced synchronized contents such as English conversation lesson.

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