| 摘要 |
An accessory (110) can determine whether the database of the portable media player (202) was updated 318, 320 while the portable media device was disconnected from the accessory. The accessory, such as an entertainment system, has a database containing metadata (209) of media assets (207) stored on the player. When the player is connected to the accessory 304 database synchronization information is transmitted to the accessory 316. The accessory only updates 330 its database if the player had been updated since last connecting to the accessory. In a second example, an accessory can create and manage a playlist for the portable media device and can incorporate into the playlist tracks already queued for playback when the accessory connects to the portable media device. In a third example, an accessory can obtain database navigation history and initialize a database navigation interface to match the database navigation history. This enhances a users ability to control operation of the portable media device using a remote user interface provided by the accessory.
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