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Methods and apparatus for electronic file use and management

  • US 8,280,815 B2
  • Filed: 08/14/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 05/11/2006
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • memory, the memory storing software that, when executed, causes the apparatus to;

    communicate with a playback device;

    store a plurality of audio files available from the apparatus to playback on the playback device;

    send, to the playback device, a play list of a user, in which the play list identifies the plurality of audio files;

    receive, from the playback device, a request to playback an audio file of the plurality of audio files;

    send, to the playback device, at least a portion of the audio file; and

    determine that the audio file is not stored on the playback device, in which determining that the audio file is not stored on the playback device comprises;

    subsequent to sending the at least a portion of the audio file, receiving a report from the playback device that the audio file is not stored on the playback device.

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