Playlist structure for large playlists
US7668842B2 · kind B2 · utility
18Cited by
33References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | May 26, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/954
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Enabling efficient navigation of a playlist of media files stored on a computer-readable medium. Aspects of the invention define a playlist structure to have one or more playlist units. Each playlist unit identifies one or more media files in the playlist and includes metadata for the media files. A consumer electronic device retrieves the playlist units and displays the metadata contained therein to a user to enable navigation of the playlist. Aspects of the invention reduce the memory requirements of the consumer electronic devices and reduce the quantity of disk seek operations needed for playlist navigation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.