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As a computer-implemented method for updating a playlist on a media player, one embodiment of the invention includes at least the acts of: receiving playlist rules to be used to create the playlist; producing a playlist from a plurality of available media items and the playlist rules; subsequently determining whether the playlist should be reproduced due to changes with respect to the available media items; and rebuilding the playlist from the plurality of available media items and the playlist rules when it is determined that the playlist should be rebuilt.
As a computer readable medium including at least computer program code for automatically updating a list of media items maintained by a media system, one embodiment of the invention includes at least: computer program code for determining whether at least one media item available to the media system has been altered; and computer program code for regenerating the list of media items when it is determining determined that at least one media item available to the media system has been altered.
A representative example of drag-and-drop playlist creation is the playlist creation of i Tunes, version 1.0, from Apple Computer, Inc. A representative example of a rules-based playlist creation is the playlist composer of Sound Jam MP Plus published by Casady & Greene, Inc. In the case of the drag-and-drop operation, the user selects one or more certain audio tracks from a list of audio tracks in a library.
Then, the selected one or more tracks are dragged into a playlist.
Thus, the drag-and-drop operation requires user interaction and is particularly cumbersome for media systems that have a large library of audio tracks to choose from.
In the case of a playlist that is defined by rules, the playlist is created by a computing device selecting those of the audio tracks in the library that satisfy the rules. The rules are the criteria that are used to determine whether the audio tracks are to be included in the playlist.
Thus, there is a need for improved techniques to maintain playlists within media systems.
The invention will be readily understood by the following detailed description in conjunction with the accompanying drawings, wherein like reference numerals designate like structural elements, and in which: The invention relates to automatic (or dynamic) updating (or maintaining) of playlists for a media system that stores and plays media content for a user of the media system.The personal computer 104 includes a media manager 106.The media manager 106 enables a user of the personal computer 104 to directly manage media content stored on the personal computer 104.The media manager 106 may also indirectly manage media content stored on the media player 102.A peripheral cable 108 couples the media player 102 to the personal computer 104.
The media player 102 is, for example, a portable, battery-operated device.