Redbook audio sequencing

Details Redbook audio sequencing Redbook audio sequencing

1995-08-02

1997-12-23

Herndon, Heather R.

395807, G06F 1310

Patent

active

057015112

ABSTRACT:
A method and apparatus for maintaining synchronization and sequencing between an audio track and other components of a multimedia work. The audio track is recorded in accordance with the Redbook standard, enabling the CD-ROM on which the audio is stored to be played on a conventional CD player. In order to synchronize the audio track with other components of a multimedia work, such as video, a separate time/command track is provided on the CD-ROM. This separate time/command track includes timing data which reference a physical address in the audio track and an associated command that is to be implemented when playback of the audio track reaches that physical address. Consequently, video and other components can be maintained in synchronization with the audio track. If synchronization is lost, it can be regained either by immediately executing commands that should have been executed at an earlier point in the playback of the audio track, or by dropping the commands.

REFERENCES:
patent: 5440677 (1995-08-01), Case et al.
patent: 5471576 (1995-11-01), Yee
patent: 5515490 (1996-05-01), Buchanan et al.
patent: 5542023 (1996-07-01), Sakai et al.

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