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

• Main Authors: KOZUKA MASAYUKI, YAMAUCHI KAZUHIKO, MURASE KAORU, MIWA KATSUHIKO, SAEKI SHINICHI, TSUGA KAZUHIRO
• Format: Patent
• Language: English
• Published: 23.04.2009
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GLOBES; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; PLANETARIA; SEALS

A multimedia optical disc is provided. The multimedia optical disc includes a data area and a management information area. The data area stores a plurality pieces of video data. The management information area stores a channel table in which a plurality of logical channel numbers are respectively related to a plurality of physical channel numbers for each piece of video data. A piece of moving picture data and a plurality pieces of sub-data are interleaved in each piece of video data. The sub-data is either of audio data and sub-picture data as still pictures. The logical channel numbers are shared by pieces of video data. The physical channel numbers are used to physically identify the plurality pieces of sub-data. With this construction, it is possible to manage sub-data even when the sub-data is dealt with by a plurality pieces of video data.