Shinichi Saeki

Optical disc, recording apparatus, and computer-readable recording medium

Multimedia optical disc storing both video titles provided with AV functions and video titles with no such functions which can instantly distinguish between such kinds of titles, and a reproduction apparatus and reproduction method for such disc

Optical disc having an area storing original and user chain information specifying at least part of a video object stored on the disc, and a computer program and recording apparatus for recording and editing the chain information

Video data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer readable recording medium storing an editing program

Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing an reproduction program

Multimedia optical disc for storing audio data and sub-picture data in a plurality of channels as well as moving picture data and apparatus and method for reproducing the multimedia optical disc

Multimedia optical disc having improved interactive reproduction procedure, a reproduction apparatus and a method for such a disc

Video data editing apparatus and computer-readable recording medium storing an editing program

Optical disc for which a sub-picture can be favorably superimposed on a main image and a disc reproduction apparatus and a disc reproduction method for the disc

Redording medium for which a sub-picture can be favorably superimposed on a main image, ands a reproduction apparatus and a reproduction method for the recording medium